{"id":1184,"date":"2011-02-25T17:11:19","date_gmt":"2011-02-25T09:11:19","guid":{"rendered":"http:\/\/www.ccttours.com\/blog\/?p=1184"},"modified":"2011-02-25T17:53:32","modified_gmt":"2011-02-25T09:53:32","slug":"sc%ef%bc%9a%e7%94%b5%e5%8e%8b%e6%8e%a7%e5%88%b6%ef%bc%8c%e4%bd%8e%e9%a2%91%e6%8c%af%e8%8d%a1%e5%99%a8%ef%bc%8c%e5%8c%85%e7%bb%9c%ef%bc%8c%e8%a7%a6%e5%8f%91%e5%99%a8%ef%bc%8c%e9%97%a8%e9%99%90%ef%bc%8c","status":"publish","type":"post","link":"https:\/\/learn.travelchinawith.me\/?p=1184","title":{"rendered":"SC\uff1a\u7535\u538b\u63a7\u5236\uff0c\u4f4e\u9891\u632f\u8361\u5668\uff0c\u5305\u7edc\uff0c\u89e6\u53d1\u5668\uff0c\u95e8\u9650\uff0c\u5012\u6570"},"content":{"rendered":"<p>\u65e9\u671f\u7684\u5408\u6210\u5668\u6a21\u5757\u88ab\u547d\u540d\u4e3a\u7c7b\u4f3cVCO\u3001VCA\u6216\u8005VCF\u8fd9\u79cd\u5f62\u5f0f\u3002\u8fd9\u4e9b\u7f29\u5199\u4ee3\u8868\u63a7\u5236\u97f3\u9ad8\u7684\u7535\u538b\u63a7\u5236\u632f\u8361\u5668\uff0c\u63a7\u5236\u632f\u5e45\u5ea6\u7684\u653e\u5927\u5668\uff0c\u4ee5\u53ca\u63a7\u5236\u4e0a\u5c42\u8c10\u6ce2\u7ed3\u6784\u7684\u6ee4\u6ce2\u5668\u3002\u8fd9\u79cd\u534f\u8bae\u6709\u4e00\u70b9\u70b9\u53e4\u8001\u4e86\uff0c\u4f46\u5b83\u786e\u5b9e\u662f\u6240\u6709\u5408\u6210\u7cfb\u7edf\u548cSC patch\u7684\u5173\u952e\u6838\u5fc3\u3002\u63a7\u5236\u7b80\u5355\u7684\u610f\u5473\u7740\u6539\u53d8\u4e00\u4e2a\u53c2\u6570\u3002\u5f53\u4f60\u5f00\u5927\u4f60\u97f3\u7bb1\u7684\u97f3\u91cf\u65f6\uff0c\u4f60\u5b9e\u9645\u4e0a\u662f\u5728\u63a7\u5236\u5176\u632f\u5e45\u7684\u53c2\u6570\uff1b\u5f53\u4f60\u7528\u624b\u6307\u538b\u4f4f\u5409\u4ed6\u7684\u7434\u5f26\u65f6\uff0c\u4f60\u5b9e\u9645\u4e0a\u662f\u5728\u4eba\u4e3a\u7684\u63a7\u5236\u7434\u5f26\u7684\u957f\u5ea6\u8fdb\u800c\u63a7\u5236\u5176\u9891\u7387\u3002\u7535\u5b50\u97f3\u4e50\u5148\u950b\uff0c\u5176\u5b9e\u662f\u4e00\u7fa4\u53ef\u4ee5\u7cbe\u51c6\u5730\u3001\u8fc5\u901f\u5730\u3001\u7075\u6d3b\u5730\u8fd0\u7528\u7535\u5b66\u63a7\u5236\u8fd9\u4e9b\u58f0\u97f3\u53c2\u6570\u7684\u4eba\u3002\u4ed6\u4eec\u610f\u8bc6\u5230\u4eba\u7c7b\u4ee5\u53ca\u5f88\u591a\u4e50\u5668\u56fa\u6709\u7684\u5c40\u9650\u6027\uff08\u6211\u4eec\u80fd\u5531\u591a\u9ad8\u7684\u8c03\uff0c\u6211\u4eec\u80fd\u6f14\u594f\u591a\u5feb\uff0c\u4e00\u67b6\u94a2\u7434\u7684\u58f0\u97f3\u80fd\u591a\u54cd\uff09\u53ef\u4ee5\u7528\u7535\u5b66\u751f\u6210\u548c\u63a7\u5236\u7684\u58f0\u97f3\u6765\u8d85\u8d8a\u3002\u4ed6\u4eec\u662f\u6b63\u786e\u7684\uff0c\u5728\u4eca\u5929\uff0c\u8fd0\u7528\u673a\u5668\u751f\u6210\u97f3\u4e50\u51e0\u4e4e\u6ca1\u6709\u4efb\u4f55\u9650\u5236\u3002\u5b9e\u9645\u4e0a\uff0c\u5b83\u4eec\u80fd\u591f\u8f7b\u6613\u5730\u8d85\u8d8a\u6211\u4eec\u7684\u80fd\u529b\u5230\u6211\u4eec\u53ef\u611f\u77e5\u7684\u5c42\u9762\u3002<br \/>\n<!--more--><\/p>\n<p>\u7535\u538b\u63a7\u5236\u662f\u4e00\u4e2aUGen\u88ab\u7528\u4e8e\u63a7\u5236\u53e6\u4e00\u4e2aUGen\u7684\u53c2\u6570\u6216\u5f15\u6570\u7684\u5730\u65b9\u3002\u5728SC\u4e2d\uff0c\u51e0\u4e4e\u6240\u6709\u5bf9\u8c61\u90fd\u53ef\u4ee5\u88ab\u201c\u7535\u538b\u63a7\u5236\u201d\u3002\u67d0\u4e9b\u6a21\u5757\u5141\u8bb8\u4f60\u63a7\u5236\u4e00\u4e2a\u65b9\u9762\uff0c\u4f46\u7edd\u5927\u90e8\u5206\u7684\u7ec4\u4ef6\u90fd\u5141\u8bb8\u4f60\u63a7\u5236\u6240\u6709\u4e09\u4e2a\u53c2\u6570\uff1a\u9891\u7387\u3001\u6ee4\u6ce2\u6216\u632f\u5e45\uff0c\u56e0\u6b64\uff0c\u4ed6\u4eec\u5b9e\u9645\u4e0a\u662fVCO\u3001VCA\u548cVCF\u7684\u5408\u4f53\u3002\u63a5\u4e0b\u6765\u7684\u4f8b\u5b50\u5c06\u96c6\u4e2d\u4e8e\u97f3\u8c03\uff0c\u6216VCO\u3002<\/p>\n<p>\u5728\u4e4b\u524d\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5df2\u7ecf\u89c1\u8fc7\u5173\u4e8eVCO\uff0cVCA\u548cVCF\u7684patch\uff0c\u4f46\u6211\u4eec\u5e76\u672a\u8fd9\u6837\u79f0\u547c\u5b83\u4eec\u3002\u73b0\u5728\u6211\u4eec\u77e5\u9053\u5b83\u4eec\u662f\u4ec0\u4e48\u4e86\uff0c\u8ba9\u6211\u4eec\u770b\u4e09\u4e2a\u4f8b\u5b50\u3002\u5728\u4e4b\u524d\u7684\u7ae0\u8282\u4e2d\uff0c\u6211\u4eec\u5df2\u7ecf\u89c1\u8bc6\u8fc7\u7ecf\u8fc7\u6b63\u786e\u7f29\u653e\u7684 <em>LFNoise0<\/em> \u53ef\u4ee5\u751f\u6210\u9002\u4e8e\u97f3\u8c03\u4f7f\u7528\u7684\u4e00\u4e2a\u6570\u5b57\u8303\u56f4\u3002\u540c\u6837\u5730\uff0c\u6211\u53ef\u4ee5\u5c06\u5b83\u7f29\u653e\u548c\u504f\u79fb\u5230\u9002\u7528\u4e8e\u632f\u5e45\u548c\u97f3\u8272\u7684\u6570\u5b57\u3002\u4e0b\u8fb9\u7b2c\u4e00\u4f8b\u5c55\u793a\u4e86\u539f\u59cb\u7684\u7528 <em>LFNoise0<\/em> \u63a7\u5236\u9891\u7387\u7684patch\u3002\u63a5\u4e0b\u6765\uff0c\u540c\u6837\u7684 <em>LFNoise0<\/em> \u88ab\u7f29\u653e\u548c\u504f\u79fb0.5\uff0c\u5f97\u52300\u52301\u4e4b\u95f4\u7684\u503c\u3002\u7136\u540e\u8fd9\u4e2augen\u6ca1\u6709\u88ab\u653e\u5230\u9891\u7387\u7684\u53e3\uff0c\u800c\u662f\u88ab\u653e\u5230mul\uff0c\u56e0\u6b64\u6b64\u65f6\u5b83\u63a7\u5236\u7684\u662f\u632f\u5e45\u3002\u6700\u540e\uff0c\u540c\u6837\u7684 <em>LFNoise0<\/em> \u88ab\u653e\u5230\u4e86 Blip \u4e2d knumharmonics \u7684\u6b63\u786e\u4f4d\u7f6e\u3002\u8fd9\u4e2a\u5f15\u6570\u5f71\u54cd\u548c\u58f0\uff08harmonic\uff09\u7684\u6570\u91cf\uff0c\u5373\u97f3\u8272\u3002\u548c\u58f0\u7684\u6709\u6548\u8303\u56f4\u662f0\u523020\uff0c\u56e0\u6b64 <em>LFNoise0<\/em> \u88ab\u504f\u79fb\u548c\u7f29\u653e\u5230\u751f\u62102\u523018\u95f4\u7684\u503c\u3002<\/p>\n<p><strong>12.1. VCO, VCA, VCF<\/strong><\/p>\n<pre class=\"brush:jfx\">{Blip.ar(LFNoise0.kr(10, 500, 700), 7, 0.9)}.play<\/pre>\n<pre class=\"brush:jfx\">{Blip.ar(300, 7, LFNoise0.kr(10, 0.5, 0.5))}.play<\/pre>\n<pre class=\"brush:jfx\">{Blip.ar(300, LFNoise0.kr(10, 8, 10), 0.9)}.play<\/pre>\n<p>\u4e00\u4e2a\u6700\u7b80\u5355\u5230\u6982\u5ff5\u5316\u7684\u63a7\u5236\u662f <em>Line.kr<\/em>\u3002\u5f15\u6570\u4e3a \u5f00\u59cb\u70b9\u3001\u7ed3\u675f\u70b9\u548c\u6301\u7eed\u3002\u4e0b\u4f8b\u5c55\u793a\u4e86\u4e00\u4e2a\u9759\u6001\u503c\u7684\u6b63\u5f26\u6ce2\u632f\u8361\u5668Ugen\uff0c\u7136\u540e\u662f\u540c\u6837\u7684patch\uff0c\u53ea\u4e0d\u8fc7\u7528 <em>Line.kr<\/em> ugen \u66ff\u4ee3\u4e86 \u9759\u6001\u7684 freq \u548c mul \u5f15\u6570\u3002\u6ce8\u610f\u8d77\u59cb\u503c\u90fd\u9002\u4e8e\u6bcf\u4e2a\u63a7\u5236\uff1a0\u52301\u7ed9\u632f\u5e45\uff0c200\u52302000\u7ed9\u9891\u7387\u3002\u6700\u540e\u4e00\u4f8b\u7f29\u77ed\u4e86 <em>Line<\/em>\uff0c\u56e0\u6b64\u5b83\u542c\u4e0a\u53bb\u50cf\u4e00\u4e2a\u5305\u7edc\uff0c\u63a5\u4e0b\u6765\u5c06\u5b83\u3002<\/p>\n<p><strong>12.2. Line.kr<\/strong><\/p>\n<pre class=\"brush:jfx\">{SinOsc.ar(freq: 400, mul: 0.7)}.play<\/pre>\n<pre class=\"brush:jfx\">{SinOsc.ar(freq: Line.kr(200, 2000, 10), mul: Line.kr(0.9, 0.2, 10))}.play<\/pre>\n<pre class=\"brush:jfx\">{SinOsc.ar(freq: Line.kr(800, 400, 0.5), mul: Line.kr(0.9, 0, 0.5))}.play<\/pre>\n<h3>\u98a4\u97f3<\/h3>\n<p>\u4e00\u4e2a\u5bf9\u4e8e\u7535\u538b\u63a7\u5236\u7684\u7b80\u5355\u5e94\u7528\u4fbf\u662f\u98a4\u97f3\u3002\u98a4\u97f3\u662f\u5728\u632f\u5e45\uff08\u5728\u4eba\u58f0\u7684\u60c5\u51b5\u4e0b\uff09\u548c\u97f3\u8c03\uff08\u5728\u5f26\u4e50\u7684\u60c5\u51b5\u4e0b\uff09\u4e0a\u7684\u8f7b\u5fae\u632f\u8361\uff08\u66f4\u65b9\u4fbf\u4e9b\uff0c\u56e0\u4e3a\u6211\u4eec\u6709\u632f\u8361\u5668\uff09\u3002\u5f26\u4e50\u5e08\u5728\u98a4\u97f3\u95f4\u6765\u56de\u5377\u52a8\u624b\u6307\u3002\u5b9e\u9645\u7684\u97f3\u8c03\u5728\uff0c\u6bd4\u5982\u8bf4 435 \u548c 445 \u95f4\u8fd0\u52a8\uff0c\u672c\u8d28\u4e0a\u6bcf\u79d25\u6b21\u5728\u66f2\u8c03\uff08tune\uff09\u5185\u8fdb\u51fa\u3002\u5728\u4e4b\u524d\u67d0\u4e9b SinOsc patch\u4e2d\uff0c\u9891\u7387\u5f15\u6570\u4e3a\u4e00\u4e2a\u56fa\u5b9a\u503c\uff08\u6bd4\u5982440\uff09\u3002\u8981\u505a\u98a4\u97f3\uff0c\u6211\u4eec\u9700\u8981\u7528\u67d0\u4e9b\u51fd\u6570\u6216ugen\u66ff\u4ee3\u90a3\u4e2a\u9759\u6001\u503c\uff0c\u5e76\u8ba9\u5b83\u59cb\u7ec8\u5728435\u548c445\u95f4\u5e73\u6ed1\u53d8\u52a8\u3002\u98a4\u97f3\u7684\u5f62\u72b6\u5f88\u50cf\u4e00\u6761\u6b63\u5f26\u6ce2\uff1a\u5b83\u4ee5\u4e00\u4e2a\u5468\u671f\u548c\u53ef\u9884\u89c1\u7684\u6bd4\u7387\u5728\u4e24\u4e2a\u503c\u95f4\u6765\u56de\u79fb\u52a8\u3002\u6211\u4eec\u53ef\u5426\u5c06\u4e00\u6761\u7f13\u6162\u79fb\u52a8\u7684 SinOsc \u7ecf\u8fc7\u7f29\u653e\u548c\u4f4d\u79fb\u540e\u7528\u4f5c\u53e6\u4e00\u4e2a SinOsc \u7684\u8f93\u5165\u6216 freq \u5f15\u6570\uff1f\u753b\u4e00\u67610\u4e3a\u4e2d\u5fc31\u4e3a\u9876-1\u4e3a\u5e95\u7684\u6b63\u5f26\u6ce2\u3002\u5c060\u6539\u5230440\uff0c1\u6539\u5230445\uff0c-1\u6539\u5230435\u3002\u4f60\u80fd\u5426\u8ba1\u7b97\u51fa\u8981\u505a\u591a\u5c11\u7684\u7f29\u653e\u548c\u4f4d\u79fb\u624d\u80fd\u8fbe\u5230\u90a3\u4e9b\u503c\uff1f<\/p>\n<p>\u7b54\u6848\u662f\u7f29\u653e5\u5e76\u4f4d\u79fb440\u3002\u8bb0\u4f4f\u5bf9\u4e8e +\/-1 \u7684ugen\u6765\u8bf4\uff0c\u4f4d\u79fb\u662f\u4e2d\u5fc3\u503c\uff0c\u7f29\u653e\u662f\u5dee\u503c\u3002\u56e0\u6b64440\u662f\u4e2d\u5fc3\u503c\uff0c5\u662f\u5dee\u503c\u3002<\/p>\n<p>\u8fd9\u91cc\u8fd8\u6709\u53e6\u4e00\u4e2a\u503c\u9700\u8981\u8003\u8651\uff0c\u98a4\u97f3\u7684\u901f\u5ea6\u3002\u4ec0\u4e48\u51b3\u5b9a\u98a4\u97f3\u7684\u901f\u5ea6\uff1f\u63a7\u5236\u6e90 <em>SinOsc<\/em> \u7684\u9891\u7387\u3002\u5373435\u5230445\u95f4\u79fb\u52a8\u7684\u9891\u7387\u3002\u5927\u7ea6\u6bcf\u79d25\u6b21\u4f1a\u521b\u9020\u4e00\u4e2a\u81ea\u7136\u7684\u98a4\u97f3\u3002\u56e0\u6b64\u98a4\u97f3 <em>SinOsc<\/em> \u7684\u9891\u7387\u5e94\u4e3a5Hz\u3002patch\u7684\u98a4\u97f3\u73af\u8282\u4e8e\u662f\u5e94\u770b\u8d77\u6765\u50cf\u8fd9\u6837\u3002\u4e3a\u6e05\u6670\uff0c\u6211\u4f7f\u7528\u5173\u952e\u5b57\u5206\u914d\u3002<\/p>\n<p><strong>12.3. \u505a\u98a4\u97f3\u7684 SinOsc<\/strong><\/p>\n<pre class=\"brush:jfx\">SinOsc.ar(freq: 5, mul: 5, add: 440)<\/pre>\n<p>\u5728\u4e0b\u8fb9\u7684patch\u4e2d\uff0c\u9891\u7387\u4e3a5\u7684 <em>Sinosc<\/em> \u88ab\u5b58\u50a8\u81f3\u53d8\u91cf\u201cvibrato\u201d\u3002\u5982\u679c\u6211\u4eec\u76f4\u63a5\u542c\u8fd9\u4e2apatch\u4e2d\u7684\u98a4\u97f3\u90e8\u5206\uff0c\u4e0d\u4f1a\u542c\u5230\u4efb\u4f55\u58f0\u97f3\uff0c\u56e0\u4e3a5\u5e76\u4e0d\u662f\u4e00\u4e2a\u6211\u4eec\u53ef\u4ee5\u542c\u5230\u7684\u9891\u7387\uff0c450 \u5bf9\u786c\u4ef6\u6765\u8bf4\u5219\u662f\u4e00\u4e2a\u8fc7\u9ad8\u7684\u53ef\u88ab\u8f6c\u5316\u4e3a\u58f0\u97f3\u7684\u503c\u3002\u4f46\u5c06\u5b83\u653e\u5165\u53e6\u4e00\u4e2a <em>SinOsc<\/em> \u7684\u9891\u7387\u5f15\u6570\u4f4d\u7684\u65f6\u5019\uff0c\u5916\u90e8\u7684ugen\u4fbf\u53ef\u4ee5\u5236\u9020\u6211\u4eec\u80fd\u542c\u5230\u7684\u97f3\u9891\u3002<\/p>\n<p><strong>12.4. \u98a4\u97f3<\/strong><\/p>\n<pre class=\"brush:jfx\">(\r\n{\r\n     var vibrato;\r\n     vibrato = SinOsc.ar(freq: 5, mul: 5, add: 440);\r\n     SinOsc.ar(vibrato, mul: 0.5)\r\n}.play\r\n)<\/pre>\n<p>\u4e3a\u4e0a\u4f8b\u98a4\u97f3\u63a7\u5236\u7684 <em>SinOsc<\/em> \u6539\u53d8\u5404\u79cd\u53c2\u6570\uff0c\u7136\u540e\u89c2\u5bdf\u5b83\u4eec\u5bf9\u58f0\u97f3\u7684\u5f71\u54cd\u3002\u54ea\u4e2a\u503c\u5f71\u54cd\u98a4\u97f3\u7684\u901f\u5ea6\uff1f\u54ea\u4e2a\u503c\u5f71\u54cd\u6df1\u5ea6\uff1f\u8fd9\u662f\u4e00\u4e2a\u76f8\u5f53\u53ef\u4fe1\u7684\u98a4\u97f3\uff0c\u5982\u679c\u518d\u5929\u7136\u3001\u52a0\u5de5\u6216\u5e73\u4e00\u4e9b\u7684\u8bdd\uff1a\u5c31\u50cf\u5f88\u591a\u65e9\u671f\u7684\u7535\u5b50\u97f3\u4e50\u3002\u771f\u6b63\u7684\u97f3\u4e50\u5bb6\u5e76\u4e0d\u76f4\u63a5\u521b\u5236\u98a4\u97f3\uff1a\u4ed6\u4eec\u5e38\u5e38\u4ece\u4e00\u4e2a\u7eaf\u7cb9\u7684\u97f3\u6e90\u5f00\u59cb\uff0c\u7136\u540e\u9010\u6e10\u589e\u52a0\u5b83\u3002\u4e3a\u521b\u5236\u4e00\u4e2a\u66f4\u81ea\u7136\u7684\u98a4\u97f3\uff0c\u4f60\u60f3\u6539\u53d8\u54ea\u4e2a\u503c\uff1f\u4f60\u60f3\u8fd0\u7528\u54ea\u4e2a\u503c\uff1f<\/p>\n<h3>\u65b9\u6846\u56fe\uff08Block Diagrams\uff09<\/h3>\n<p>\u65b9\u6846\u56fe\u7528\u4e8e\u63cf\u7ed8\u4e00\u4e2apatch\u4e2d\u7ec4\u4ef6\u7684\u8def\u7531\u548c\u8fde\u63a5\u3002\u73b0\u5728\u5728\u7528\u7684\u6709\u82e5\u5e72\u5f62\u5f0f\uff0c\u4f46\u5168\u90fd\u4f7f\u7528\u6709\u8f93\u5165\u3001\u8f93\u51fa\u7684\u76d2\u5b50\uff0c\u7136\u540e\u4f7f\u7528\u7ebf\u548c\u7bad\u5934\u6307\u793a\u5b83\u4eec\u4e4b\u95f4\u5982\u4f55\u5f7c\u6b64\u76f8\u8fde\u3002\u5b83\u4eec\u88ab\u7528\u4e8e\u65e9\u671f\u7535\u5b50patch\u4ee5\u534f\u52a9\u53ef\u89c6\u5316\u7535\u5b50\u90e8\u4ef6\u7684\u8fde\u63a5\u3002\u6211\u5e38\u611f\u89c9\u5e94\u8be5\u5f15\u5165\u5b83\u4eec\uff0c\u4f46\u6bcf\u6b21\u5f00\u59cb\u5199\u65b9\u6846\u56fe\u73af\u8282\u7684\u65f6\u5019\uff0c\u6211\u90fd\u4f1a\u6000\u7591\u662f\u5426\u6709\u8fd9\u79cd\u5fc5\u8981\uff0c\u56e0\u4e3a\u57fa\u4e8e\u4ee3\u7801\u7684\u5408\u6210\u548c\u56fe\u8868\u4e00\u6837\u6613\u8bfb\u3002\u4ee5\u4e00\u4e2a\u7b80\u5355\u7684\u6b63\u5f26\u632f\u8361\u5668\u4e3a\u4f8b\u3002\u5b83\u53ef\u80fd\u88ab\u56fe\u89e3\u4e3a\u4e0b\u8fb9\u7b2c\u4e00\u4f8b\u3002\u5982\u679c\u6269\u5145\u5230\u6db5\u76d6 <em>SinOsc<\/em> \u7684\u6240\u6709\u5f15\u6570\u5e76\u589e\u52a0\u4e00\u4e2a\u63a7\u5236\u632f\u8361\u5668\uff0c\u5b83\u5c06\u88ab\u56fe\u91ca\u4e3a\u7b2c\u4e8c\u4f8b\u3002\u8fd9\u53ef\u80fd\u66f4\u5bb9\u6613\u770b\uff0c\u4f46\u5982\u679c\u4f60\u628a\u5305\u56f4\u7684\u4ee3\u7801\u60f3\u505a\u76d2\u5b50\uff08\u5982\u7b2c\u4e09\u4f8b\uff09\uff0c\u5e76\u4e0d\u662f\u90a3\u4e48\u96be\u3002<\/p>\n<figure id=\"attachment_1185\" aria-describedby=\"caption-attachment-1185\" style=\"width: 593px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p1.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p1.gif\" alt=\"\u65b9\u6846\u56fe\" title=\"\u65b9\u6846\u56fe\" width=\"593\" height=\"218\" class=\"size-full wp-image-1185\" srcset=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p1.gif 593w, https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p1-480x176.gif 480w\" sizes=\"auto, (max-width: 593px) 100vw, 593px\" \/><\/a><figcaption id=\"caption-attachment-1185\" class=\"wp-caption-text\">\u65b9\u6846\u56fe<\/figcaption><\/figure>\n<p>\u4f46\u4e3a\u4e86\u4ee5\u89c6\u89c9\u4e3a\u5bfc\u5411\uff0c\u6211\u5c06\u5728\u672c\u7ae0\u5185\u589e\u52a0\u4e00\u4e9b\u56fe\u91ca\u3002<\/p>\n<h3>\u6cf0\u52d2\u660e\u7535\u5b50\u7434<\/h3>\n<figure id=\"attachment_1190\" aria-describedby=\"caption-attachment-1190\" style=\"width: 200px\" class=\"wp-caption alignright\"><a href=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/800px-Etherwave_Theremin_Kit.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/800px-Etherwave_Theremin_Kit.jpg\" alt=\"\u6cf0\u52d2\u660e\u7535\u5b50\u7434\" title=\"\u6cf0\u52d2\u660e\u7535\u5b50\u7434\" width=\"200\" height=\"147\" class=\"size-full wp-image-1190\" \/><\/a><figcaption id=\"caption-attachment-1190\" class=\"wp-caption-text\">\u6cf0\u52d2\u660e\u7535\u5b50\u7434<\/figcaption><\/figure>\n<p>\u6cf0\u52d2\u660e\u7535\u5b50\u7434\u662f\u7b2c\u4e00\u4ef6\u7535\u5b50\u4e50\u5668\u3002\u5b83\u53d1\u51fa\u7684\u58f0\u97f3\u5982\u6b64\u201c\u5916\u661f\u201d\u56e0\u6b64\u5e38\u88ab\u7528\u4e8e\u79d1\u5e7b\u7535\u5f71\u539f\u58f0\u3002\u6211\u5c06\u5b83\u653e\u5728\u8fd9\u91cc\u4f5c\u4e3a\u98a4\u97f3\u7684\u5e94\u7528\uff0c\u56e0\u4e3a\u5bf9\u4e8e\u8fd9\u4ef6\u4e50\u5668\uff0c\u6211\u4eec\u4e00\u81f4\u8ba4\u540c\u7684\u4e24\u4e2a\u7279\u6027\u662f\u97f3\u8c03\uff08\u8fde\u7eed\u975e\u79bb\u6563\u7684\u97f3\uff09\u95f4\u7684\u6ed1\u97f3\u548c\u7a33\u56fa\u5bbd\u5e7f\u7684\u98a4\u97f3\u3002\u98a4\u97f3\u5e76\u975e\u7535\u538b\u63a7\u5236\u7684\u7ed3\u679c\uff0c\u800c\u662f\u7531\u6f14\u594f\u8005\u7684\u624b\u4ea7\u751f\u3002\u4e5f\u8bb8\u4ed6\u4eec\u53d1\u73b0\u9700\u8981\u4e3a\u5355\u7eaf\u7684\u5851\u6599\u6b63\u5f26\u6ce2\u4e4b\u58f0\u6dfb\u52a0\u4e00\u4e9b\u7ef4\u5ea6\u4f5c\u4e3a\u8865\u507f\u5427\u3002<\/p>\n<p>\u4e0b\u8fb9\u662f\u4e00\u4e2a\u5c06\u9f20\u6807\u4f4d\u7f6e\u8fde\u63a5\u5230\u63a7\u5236\u7684\u865a\u62df\u6cf0\u52d2\u660e\uff1a\u4e0a\u4e0b\u63a7\u5236\u97f3\u8c03\uff0c\u5de6\u53f3\u63a7\u5236\u632f\u5e45\u3002\u98a4\u97f3\u7531\u4e00\u4e2a\u7535\u538b\u63a7\u5236\u632f\u8361\u5668\u6216VCO\u6fc0\u6d3b\u3002\u4f60\u51e0\u4e4e\u80fd\u591f\u4eb2\u773c\u76ee\u7779\u5b87\u5b99\u98de\u8239\u7740\u9646\u7684\u60c5\u666f\u3002<\/p>\n<p><strong>12.5. \u6cf0\u52d2\u660e\u7535\u5b50\u7434<\/strong><\/p>\n<pre class=\"brush:jfx\">(\r\n{\r\nvar vibrato;\r\nvibrato = SinOsc.kr(6, mul: 0.02, add: 1);\r\n     SinOsc.ar(\r\n           freq: MouseY.kr(3200, 200, lag: 0.5, warp: 1) *\r\n           vibrato, \/\/\u98a4\u97f3\r\n           mul: abs(MouseX.kr(0.02, 1)) \/\/\u632f\u5e45\r\n     )\r\n}.play\r\n)<\/pre>\n<p>\u63a7\u5236 <em>SinOsc<\/em> \u7684 mul \u5f15\u6570 \u5c06\u6539\u53d8\u98a4\u97f3\u7684\u6df1\u5ea6\u3002\u5982\u679c\u5b83\u88ab\u8bbe\u7f6e\u52300\uff0c\u98a4\u97f3\u5c06\u6d88\u5931\uff0c\u5982\u679c\u8bbe\u7f6e\u52305\uff0c\u5b83\u4fbf\u4f4d\u4e8e\u4e00\u4e2a\u597d\u7684\u6df1\u5ea6\u3002\u4f46\u6240\u6709\u503c\u90fd\u662f\u9759\u6001\u7684\u3002\u5b83\u4eec\u5e76\u4e0d\u50cf\u81ea\u7136\u98a4\u97f3\u90a3\u6837\u968f\u65f6\u95f4\u6539\u53d8\u3002\u4e3a\u4f7f\u98a4\u97f3\u6df1\u5ea6\u968f\u65f6\u95f4\u6539\u53d8\uff0c\u6211\u4eec\u9700\u8981\u7528\u53e6\u5916\u7684\u65f6\u95f4\u53d8\u5316\u63a7\u5236\u66ff\u6362\u9759\u6001\u503c5\u3002<\/p>\n<p>\u6709\u65e0\u6570\u7684Ugen\u80fd\u505a\u8fd9\u4ef6\u4e8b\u3002\u76ee\u524d\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <em>Line.kr<\/em>\uff0c\uff08\u540c\u6837\u518d\u770b <em>XLine.kr<\/em>\uff09\u3002\u8fd9\u4fbf\u662f\u5b83\u5982\u4f55\u9002\u7528\u4e8epatch\u7684\u4f8b\u5b50\uff08\u8fd9\u6b21\u6709\u53d8\u91cf\uff09\uff1a<\/p>\n<p><strong>12.6. \u66f4\u597d\u7684\u98a4\u97f3<\/strong><\/p>\n<pre class=\"brush:jfx\">(\r\n\/\/\u98a4\u97f3\r\n{\r\nvar depthChange, vibrato;\r\ndepthChange = Line.kr(0, 5, 3);\r\nvibrato = SinOsc.ar(freq: 5, mul: depthChange, add: 440);\r\nSinOsc.ar(\r\n      vibrato,\r\n      mul: 0.5)\r\n}.play\r\n)<\/pre>\n<p>\u6301\u7eed\u8c03\u6574\u98a4\u97f3\u7684\u901f\u5ea6\uff08\u9891\u7387\uff09\u800c\u4e0d\u662f\u6df1\u5ea6\u662f\u5426\u4f1a\u66f4\u81ea\u7136\uff1f\u4f60\u60f3\u8981\u5982\u4f55\u6539\u53d8\u4ee5\u8fbe\u5230\u90a3\u6837\u7684\u4e00\u4e2a\u6548\u679c\uff1f\u4f60\u80fd\u90fd\u63a7\u5236\u5417\uff1f\u4f60\u662f\u5426\u8fd8\u53ef\u4ee5\u4f7f\u7528 <em>Line<\/em> \u6216\u53e6\u4e00\u4e2a <em>SinOsc<\/em> \u63a7\u5236\u6574\u4f53\u7684\u97f3\u8c03\uff08\u4f8b\u5982\uff0cadd \u503c\uff09\uff0c\u5728\u6bd4\u5982\u8bf4\uff0c300\u5230900\u95f4\u79fb\u52a8\uff1f<\/p>\n<p>\u5bf9\u4e8e\u90a3\u4e9b\u53e4\u65e7patch\u5408\u6210\u5668\u7684\u7528\u5bb6\u6765\u8bf4\uff0cSC\u6240\u80fd\u63d0\u4f9b\u7684\u65e0\u9650\u91cf\u7684\u7ec4\u5408\u5c06\u4f1a\u662f\u6211\u4eec\u611f\u5230\u4e00\u70b9\u70b9\u5934\u6655\u773c\u82b1\u3002\u5373\u4f7f\u5728\u73b0\u4ee3\u7684\u5408\u6210\u5668\u4e0a\uff0c\u4f60\u5f88\u5c11\u80fd\u591f\u627e\u5230\u591a\u4e8e\u4e24\u4e09\u4e2a\u7684 <em>Line<\/em> \u5f0f Ugen \u6765\u521b\u9020\u4e00\u4e2a\u6548\u679c\u3002SC\uff0c\u4ec5\u53d7\u5904\u7406\u5668\u80fd\u529b\u9650\u5236\u800c\u4e0d\u53d7Ugen\u7684\u9650\u5236\u3002\u6211\u53ef\u4ee5\u7528 <em>Line<\/em> Ugen \u66ff\u4ee3\u8fd9\u4e2apatch\u5185\u7684\u6240\u6709\u9759\u6001\u503c\u3002\u7136\u540e\u6211\u4ecd\u53ef\u4ee5\u7528\u800c\u5916\u7684 <em>Line<\/em> \u66ff\u4ee3\u90a3\u4e9b Ugen \u91cc\u7684\u503c\uff0c\u5982\u6b64\u5d4c\u5957\uff0c\u76f4\u5230\u6210\u5343\u4e0a\u4e07\u7684 <em>Line<\/em>\u3002\u4e0d\u4fe1\uff1f\u770b\u8fd9\u91cc\uff1a<\/p>\n<p>\u98a4\u97f3 <em>SinOsc<\/em> \u548c <em>Line.kr<\/em> \u5747\u4e3a\u4f20\u7edf\u610f\u4e49\u4e0a\u7684 \u201c\u7535\u538b\u201d\u63a7\u5236\u3002\u5373\u5b83\u4eec\u63a7\u5236\u7740\u53e6\u5916ugen\u7684\u53c2\u6570\uff08\u9891\u7387\uff09\u3002\u6211\u4eec\u5c1d\u8bd5\u91cd\u5236\u4e00\u4e2a\u81ea\u7136\u7684\u58f0\u54cd\u98a4\u97f3\u3002\u5c0f\u63d0\u7434\u5f88\u5c11\u8d85\u8fc7\u6bcf\u79d210\u6b21\u7684\u901f\u5ea6\u6216\u5927\u4e8e40\u7684\u6df1\u5ea6\u3002\u4f46\u5bf9\u4e8e\u5408\u6210\u6765\u8bf4\uff0c\u8d85\u8d8a\u8fd9\u4e9b\u9650\u5236\u5f88\u7b80\u5355\uff0c\u751a\u81f3\u5f88\u8bf1\u4eba\u3002\u8bd5\u7740\u589e\u5927 nul \u548c freq \u5f15\u6570\u5230\u8d85\u8d8a\u4f60\u80fd\u60f3\u8c61\u7684\u81ea\u7136\u98a4\u97f3\uff1a33\uff0c100\uff0c1200\u7b49\u3002\u8bd5\u7740\u5c06add\u6539\u5230\u5176\u4ed6\u97f3\u8c03\u3002\u8bd5\u7740\u7528\u5176\u4ed6\u63a7\u5236\u66ff\u4ee3add\uff1a<em>SinOsc<\/em>\u6216<em>Line<\/em>\u3002\uff08\u4ed4\u7ec6\u8ba1\u7b97\u6bcf\u4e2a\u4f4d\u79fb\u548c\u7f29\u653e\u786e\u4fdd\u4e0d\u51fa\u73b0\u8d1f\u503c\uff09\u3002\u7531\u8fd9\u4e9b\u8fc7\u5927\u7684\u503c\u751f\u6210\u7684\u58f0\u97f3\u5bf9\u4e8e\u5408\u6210\u53ca\u7535\u5b50\u65f6\u4ee3\u6765\u8bf4\u662f\u552f\u4e00\u7684\u3002\u6211\u786e\u4fe1\u4f60\u53ef\u80fd\u4f1a\u4e60\u60ef\u4e8e\u5b83\u4eec\u7684\u58f0\u97f3\uff0c\u56e0\u4e3a\u4ed6\u4eec\u5982\u6b64\u666e\u904d\uff08\u65e9\u671f\u72c2\u60f3\u5bb6\u521b\u4f5c\u8005\u7684\u9057\u5631\uff09\uff0c\u4f46\u60f3\u50cf\u4f60\u662f\u7b2c\u4e00\u6b21\u542c\u5230\u5b83\u4eec\u3002<\/p>\n<p>\u5728\u4e24\u4e2a <em>SinOsc<\/em> \u5bf9\u8c61\u4e2d\uff0c\u4e00\u4e2a\u751f\u6210\u6211\u4eec\u542c\u5230\u7684\u9891\u7387\u3002\u53e6\u4e00\u4e2a\u751f\u6210\u97f3\u9891\u8303\u56f4\u4ee5\u4e0b\u7684\u9891\u7387\uff08\u4f8b\u5982 10Hz, 5Hz\uff09\u3002\u6211\u4eec\u5e76\u672a\u5b9e\u9645\u542c\u5230\u58f0\u97f3\uff0c\u4f46\u6211\u4eec\u786e\u5b9e\u542c\u5230\u4e86\u5b83\u7684\u5f71\u54cd\u3002\u4e00\u4e9b\u5408\u6210\u5668\u4f7f\u7528\u5c5e\u4e8eLFO\u6216\u4f4e\u9891\u63a7\u5236\u4ee5\u5f62\u5bb9\u8fd9\u6837\u4e00\u79cd\u6548\u679c\u3002\u51e0\u4e4eSC\u91cc\u7684\u4efb\u4f55\u632f\u8361\u5668\u90fd\u53ef\u4ee5\u8fd9\u6837\u505a\u3002\u8fd9\u91cc\u662f\u4f7f\u7528\u4e0d\u540c\u6ce2\u5f62\u7684\u82e5\u5e72\u4f8b\u5b50\u3002\u4e3a\u6bcf\u4e2aLFO\u8fdb\u884c\u9891\u7387\u3001\u7f29\u653e\u548c\u4f4d\u79fb\u7684\u5b9e\u9a8c\u3002\u786e\u4fdd\u4f4d\u79fb\uff08add\uff09\u5927\u4e8e\u7f29\u653e\uff08mul\uff09\u3002\u5982\u679c\u7f29\u653e\u8f83\u5927\uff0c\u4f60\u5c06\u5f97\u5230\u8d1f\u503c\u3002\u90a3\u4e9b\u63a7\u5236\u7684\u9891\u7387\u4e0d\u8981\u8d85\u8fc720Hz\uff08\u4ee5\u907f\u514d\u4f60\u9519\u8fc7\u4e00\u4e9b\u6709\u610f\u601d\u7684\u4e8b\u60c5\uff09\u3002\u6211\u4eec\u7a0d\u540e\u8be6\u8ff0\u3002<\/p>\n<p><strong>12.7. \u5176\u4ed6LFO\u63a7\u5236<\/strong><\/p>\n<pre class=\"brush:jfx\">(\r\n{ \/\/SinOsc (\u79d1\u5e7b)\r\nvar lfo;\r\nlfo = SinOsc.ar(freq: 10, mul: 100, add: 400);\r\nSinOsc.ar(lfo, mul: 0.5)\r\n}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">(\r\n{ \/\/\u8109\u51b2 (\u7535\u8bdd\u94c3\u97f3)\r\nvar lfo;\r\nlfo = LFPulse.ar(freq: 15, mul: 200, add: 1000);\r\nSinOsc.ar(lfo, mul: 0.5)\r\n}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">(\r\n{ \/\/\u952f\u9f7f\u6ce2\r\nvar lfo;\r\nlfo = LFSaw.ar(freq: 2, mul: -100, add: 600);\r\nSinOsc.ar(lfo, mul: 0.5)\r\n}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">(\r\n{ \/\/\u566a\u97f3 (\u7535\u8111)\r\nvar lfo;\r\nlfo = LFNoise0.ar(freq: [28, 27], mul: 1000, add: 2000);\r\nSinOsc.ar(lfo, mul: 0.5)\r\n}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">(\r\n{ \/\/\u566a\u97f3 (\u8e81\u72c2\u7684\u9e1f)\r\nvar lfo;\r\nlfo = LFNoise1.ar(freq: [28, 27], mul: 400, add: 2000);\r\nSinOsc.ar(lfo, mul: 0.5)\r\n}.play\r\n)<\/pre>\n<h3>\u5305\u7edc<\/h3>\n<p>\u4e4b\u524dpatch\u91cc\u7684<em>Line<\/em>\u662f\u5305\u7edc\u7684\u4e00\u79cd\u3002\u5305\u7edc\u63cf\u8ff0\u59cb\u7ec8\u5904\u4e8e\u53d8\u5316\u7684\u4e00\u4e2a\u5355\u4e00\u4e8b\u4ef6\uff08\u4e0e\u5468\u671f\u6027\u91cd\u590d\u4e8b\u4ef6\u622a\u7136\u76f8\u53cd\uff09\u3002\u5b83\u4eec\u901a\u5e38\u88ab\u7528\u4e8e\u63a7\u5236\u632f\u5e45\uff08VCA\uff09\uff0c\u4f46\u5b83\u4eec\u53ef\u88ab\u5e94\u7528\u4e8e\u58f0\u97f3\u7684\u4efb\u4f55\u65b9\u9762\uff0c\u6bd4\u5982\u9891\u7387\uff0c\u6216\u8005\u50cf\u4e0a\u8fb9\u6700\u540e\u4e00\u4e2apatch\u91cc\u7684\uff0c\u98a4\u97f3\u7684\u6df1\u5ea6\u3002<\/p>\n<p>SC\u91cc\u7684\u5305\u7edc\u6709\u989d\u5916\u7684\u529f\u80fd\uff1a\u5f53\u5b83\u7ed3\u675f\u540e\uff0c\u53ef\u4ee5\u8ba9\u4f3a\u670d\u5668\u505c\u6b62\u6f14\u594f\u90a3\u4e2augen\u5e76\u91ca\u653eCPU\u3002\u6ca1\u6709\u8fd9\u4e00\u7279\u6027\uff0c\u4f5c\u54c1\u4e2d\u7684\u4e8b\u4ef6\u5c06\u4e0d\u65ad\u7d2f\u52a0\u5e76\u6700\u7ec8\u4ee4CPU\u8fc7\u8f7d\u3002<\/p>\n<p>\u6211\u4eec\u90fd\u77e5\u9053\u4e00\u4e2a\u97f3\u4e50\u4e8b\u4ef6\u7684\u632f\u5e45\u662f\u59cb\u7ec8\u5904\u4e8e\u51cf\u5f31\u7684\uff08\u8fd9\u53eb\u505a\u8870\u51cf\uff09\uff0c\u4f46\u540c\u65f6\u8fd8\u6709\u4e00\u4e2a\u53c2\u6570\u53eb\u505aattack\uff08\u97f3\u5934\u5f3a\u5ea6\uff09\uff0c\u5b83\u662f\u4e00\u4e2a\u58f0\u97f3\u7684\u5f00\u59cb\u3002\u9a6c\u6797\u5df4\u7434\u6709\u4e00\u4e2a\u5f3a\u70c8\u7684\u97f3\u5934\u3002\u98ce\u7434\u6709\u66f4\u67d4\u8f6f\u6216\u957f\u7684\u97f3\u5934\u3002\u5c0f\u63d0\u7434\u4f9d\u636e\u7528\u5f13\u65b9\u5f0f\u53ef\u80fd\u6709\u8f83\u77ed\u6216\u5f88\u957f\u7684\u6301\u7eed\u97f3\u5934\u3002\u94a2\u7434\u6709\u5f3a\u70c8\u7684\u97f3\u5934\uff0c\u4f46\u6ca1\u6709\u6728\u8d28\u6253\u51fb\u4e50\u5668\u5f3a\u70c8\u3002\u5dee\u5f02\u4e5f\u8bb8\u53ea\u6709\u51e0\u5fae\u79d2\uff0c\u4f46\u8fa8\u522b\u97f3\u5934\u65f6\u95f4\u6781\u5c0f\u7684\u53d8\u5316\u662f\u5f88\u7b80\u5355\u7684\u3002\u6240\u6709\u5408\u6210\u5668\u7684\u6240\u6709\u9884\u8bbe\u5747\u4f7f\u7528\u5305\u7edc\u4ee5\u63cf\u8ff0\u6301\u7eed\u7684\u97f3\u91cf\u6539\u53d8\u3002<\/p>\n<p>\u5305\u7edc\u6709\u4e24\u79cd\u3002\u56fa\u5b9a\u4eff\u771f\u65f6\u95f4\uff08fixed duration\uff09\u5305\u7edc\u548c\u6301\u7eed\uff08sustain\uff09\u5305\u62ec\u3002\u56fa\u5b9a\u4eff\u771f\u65f6\u95f4\u5305\u7edc\u5c06\u59cb\u7ec8\u6709\u76f8\u540c\u7684\u6301\u7eed\u65f6\u95f4\u3002\u56fa\u5b9a\u5305\u7edc\u5e38\u5e38\u6709\u4e00\u4e2a\u97f3\u5934\u548c\u4e00\u4e2a\u91ca\u653e\uff08release\uff09\u3002\u6301\u7eed\u5305\u7edc\u7684\u6301\u7eed\u65f6\u95f4\u5c06\u57fa\u4e8e\u95e8\u9650\uff08gate\uff09\u7684\u957f\u5ea6\u6539\u53d8\uff0c\u6bd4\u5982\u8bf4\uff0c\u4e00\u4e2a\u952e\u6309\u4e0b\u7684\u65f6\u95f4\u957f\u77ed\u3002\u6253\u51fb\u4e50\u5668\uff0c\u8bf8\u5982\u9572\u3001\u9a6c\u6797\u5df4\u3001\u949f\u7434\u7b49\u5177\u6709\u56fa\u5b9a\u4eff\u771f\u65f6\u95f4\u5305\u7edc\u3002\u4e00\u65e6\u5b83\u4eec\u88ab\u8c03\u52a8\u540e\uff0c\u4f60\u65e0\u6cd5\u63a7\u5236\u8870\u51cf\u7684\u5468\u671f\u3002\u98ce\u7434\u3001\u4eba\u751f\u3001\u5c0f\u63d0\u7434\u3001\u94dc\u7ba1\u4e50\u5668\u7b49\u5177\u6709\u6301\u7eed\u5305\u7edc\uff0c\u5728\u952e\u91ca\u653e\u6216\u97f3\u4e50\u5bb6\u505c\u6b62\u5439\u594f\u6216\u62c9\u5f13\u524d\uff0c\u6bcf\u4e2a\u97f3\u7b26\u90fd\u4f1a\u6301\u7eed\u53d1\u58f0\u3002\u5728\u90a3\u79cd\u60c5\u51b5\u4e0b\uff0c\u97f3\u8c03\u6d88\u5931\u3002<\/p>\n<p>\u6700\u666e\u904d\u7684\u7528\u4ee5\u5f62\u5bb9\u5305\u7edc\u7684\u672f\u8bed\u662f \u97f3\u5934\u5f3a\u5ea6\uff08attack\uff09\uff0c\u8870\u51cf\uff08decay\uff09\uff0c\u6301\u7eed\uff08sustain\uff09\u548c\u91ca\u653e\uff08release\uff09\uff0c\u6216\u8005\u7f29\u5199\u4e3aADSR\u3002\u7b80\u5355\u7684\u5305\u7edc\u53ef\u80fd\u4ec5\u542b AR\u3002\u4e0b\u8fb9\u7684\u56fe\u793a\u662fattack\u548crelease\u7684\u5305\u7edc\u7ebf\u3002<\/p>\n<figure id=\"attachment_1186\" aria-describedby=\"caption-attachment-1186\" style=\"width: 575px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p2.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p2.gif\" alt=\"\u5305\u7edc\u7ebf\" title=\"\u5305\u7edc\u7ebf\" width=\"575\" height=\"206\" class=\"size-full wp-image-1186\" srcset=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p2.gif 575w, https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p2-480x171.gif 480w\" sizes=\"auto, (max-width: 575px) 100vw, 575px\" \/><\/a><figcaption id=\"caption-attachment-1186\" class=\"wp-caption-text\">\u5305\u7edc\u7ebf<\/figcaption><\/figure>\n<p>SC\u4f7f\u7528 <em>EnvGen<\/em> \u548c <em>Env<\/em> \u521b\u5236\u5305\u7edc\u3002Env \u63cf\u8ff0\u5305\u7edc\u7ebf\u7684\u5f62\u72b6\uff0c<em>EnvGen<\/em> \u5f53\u88ab\u63d0\u4f9b \u89e6\u53d1\u5668\uff08trigger\uff09 \u548c \u95e8\u9650\uff08gate\uff09 \u65f6\u751f\u6210\u90a3\u4e2a\u5f62\u72b6\u3002<\/p>\n<h3>\u89e6\u53d1\u5668\uff0c\u95e8\u9650\uff0c\u6d88\u606f\uff0car\uff08\u97f3\u9891\u7387\uff09\u548c kr\uff08\u63a7\u5236\u7387\uff09<\/h3>\n<p>\u5f53\u4f60\u6309\u4e0b\u5bb6\u91cc\u4e70\u56de\u6765\u7684\u5408\u6210\u5668\u7684\u6309\u952e\u65f6\uff0c\u7b2c\u4e00\u4e2a\u9001\u81f3\u5904\u7406\u5668\u7684\u4fe1\u606f\u5373\u5f00\u59cb\u90a3\u4e2a\u4e8b\u4ef6\u7684\u89e6\u53d1\u5668\u3002\u4e0b\u8fb9\u662f\u4e24\u4e2a\u89e6\u53d1\u5668\u7684\u4f8b\u5b50\u3002\u7b2c\u4e00\u4e2a\u662f\u4e00\u4e2a\u5468\u671f\u89e6\u53d1\u5668\uff0c\u7b2c\u4e8c\u4e2a\u662f\u968f\u673a\u89e6\u53d1\u5668\u3002\u524d\u4e24\u4f8b\u5e76\u672a\u4f7f\u7528\u89e6\u53d1\u5668\u6765\u6fc0\u6d3b\u5305\u7edc\u3002\u76f8\u53cd\u5b83\u4eec\u53ea\u662f\u6f14\u594f\u89e6\u53d1\u5668\uff0c\u8fd9\u542c\u8d77\u6765\u5c06\u50cf\u662f\u7206\u7834\u58f0\uff08\u5e76\u975e\u7528\u6765\u505a\u97f3\u9891\u8f93\u51fa\uff09\u3002\u5b83\u4eec\u90fd\u6709\u4e00\u4e2a\u5f15\u6570\u3002\u5bf9 <em>Impulse<\/em> \u6765\u8bf4\uff0c\u5b83\u662f\u6bcf\u79d2\u7684\u8109\u51b2\u6570\u3002\u5bf9 <em>Dust<\/em> \u6765\u8bf4\uff0c\u662f\u5e73\u5747\u8109\u51b2\u5bc6\u5ea6\u3002<\/p>\n<p>\u4e4b\u524d\u6211\u4eec\u770b\u5230 <em>SinOsc<\/em> \u4e2d\u7684 mul \u5f15\u6570 \u5bf9\u5e94\u7684\u662f\u97f3\u91cf\u3002<em>EnvGen<\/em> \u548c <em>Env<\/em> \u53ef\u4ee5\u4e0e\u89e6\u53d1\u5668\u5408\u7528\u4ee5\u63d0\u4f9b\u7528\u4e8e SinOsc \u7684 mul \u6216\u632f\u5e45\u7684\u5305\u7edc\uff0c\u5c31\u50cf\u4e0b\u8fb9\u7b2c\u4e09\u3001\u56db\u4f8b\u3002<\/p>\n<p><strong>12.8. \u89e6\u53d1\u5668\u548c\u5305\u7edc<\/strong><\/p>\n<pre class=\"brush:jfx\">{Impulse.ar(4, mul: 0.5)}.play<\/pre>\n<pre class=\"brush:jfx\">{Dust.ar(5)}.play<\/pre>\n<pre class=\"brush:jfx\">(\r\n{\r\n     SinOsc.ar(\r\n           440,\r\n           mul: EnvGen.kr(Env.perc(0.001, 1.0), Impulse.kr(2))\r\n     )\r\n}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">(\r\n{\r\n     SinOsc.ar(\r\n           440,\r\n           mul: EnvGen.kr(Env.perc(0.001, 0.3), Dust.kr(2))\r\n     )\r\n}.play\r\n)<\/pre>\n<p>\u8bd5\u7740\u6539\u53d8 <em>Impulse<\/em> \u548c <em>Dust<\/em> \u7684\u5f15\u6570\u3002<em>Env.perc<\/em> \u7684\u5f15\u6570\u662f\u97f3\u5934\u5f3a\u5ea6\u548c\u8870\u51cf\u3002\u8bd5\u7740\u6539\u53d8\u4e24\u8005\u3002\u6ce8\u610f\uff0c\u5728\u4e0b\u4e00\u4e2a\u89e6\u53d1\u5668\u5f00\u59cb\u540e\uff0c\u5f53\u524d\u4e8b\u4ef6\u7684\u8870\u51cf\u5c06\u5728\u7ed3\u675f\u524d\u4e2d\u65ad\u3002<\/p>\n<p><em>SinOsc<\/em> \u4f7f\u7528 ar \u6d88\u606f \u800c <em>Dust<\/em> \u548c <em>Impulse<\/em> \u4f7f\u7528 kr\u3002ar \u4ee3\u8868\u97f3\u9891\u7387\uff08audio rate\uff09\uff0ckr \u4ee3\u8868\u63a7\u5236\u7387\uff08control rate\uff09\u3002<em>SinOsc<\/em> \u751f\u6210\u5b9e\u9645\u7684\u97f3\u9891\uff0c\u56e0\u6b64\u5b83\u9700\u8981 44.1k \u7684\u91c7\u6837\u7387\u3002\u4f46\u63a7\u5236\u5e76\u4e0d\u88ab\u542c\u4f5c\u97f3\u9891\uff0c\u800c\u662f\u5f62\u72b6\u6216\u5176\u4ed6ugen\u7684\u89e6\u53d1\u5668\uff0c\u65e0\u9700\u5982\u6b64\u9ad8\u7684\u5206\u8fa8\u7387\u5e76\u4e14\u5982\u679c\u4ee5\u4e00\u4e2a\u66f4\u4f4e\u7684\u6bd4\u7387\u751f\u6210\u5c06\u66f4\u9ad8\u6548\u3002<em>SinOsc.kr<\/em> \u5c06\u751f\u6210 <em>SinOsc.ar<\/em> 1\/64th \u7684\u6b63\u5f26\u6ce2\u3002<\/p>\n<p>\u4efb\u4f55\u6b63\u503c\u90fd\u5c06\u88ab <em>EnvGen<\/em> \u89e3\u91ca\u4e3a\u4e00\u4e2a\u89e6\u53d1\u5668\uff0c\u5982\u4e0b\u4f8b\u3002<em>SinOsc<\/em> \u91cd\u590d\u4ece\u6b63\u503c\u5411\u8d1f\u503c\u79fb\u52a8\u3002\u5f53 <em>SinOsc<\/em> \u4ece\u8d1f\u503c\u5411\u6b63\u503c\u79fb\u52a8\u65f6\uff0cEnvGen\u88ab\u89e6\u53d1\u3002\u5728\u7b2c\u4e8c\u4f8b\u4e2d\uff0c<em>MouseX<\/em>\u88ab\u7528\u4e8e\u6620\u5c04\u8367\u5e55X\u8f74\u5230-0.1\u52300.1\u4e4b\u95f4\u7684\u503c\uff08\u8367\u5e55\u4e2d\u90e8\u662f0\uff09\u3002\u5f53\u9f20\u6807\u8de8\u8fc7\u8367\u5e55\u4e2d\u90e8\uff0c\u4e00\u4e2a\u89e6\u53d1\u4fbf\u88ab\u9001\u5230<em>EnvGen<\/em>\u3002\u4e0b\u4e00\u4e2a\u4f8b\u5b50\u5c55\u793a\u4e86\u4f7f\u7528 <em>MouseButton<\/em> \u540c\u6837\u7684\u5b9e\u73b0\u3002\u5f53\u9f20\u6807\u88ab\u70b9\u51fb\uff0c\u4fbf\u9001\u51fa\u4e00\u4e2a\u89e6\u53d1\u3002\u6700\u540e\u4e00\u4f8b\u5c55\u793a\u4e86\u7528\u952e\u76d8\u6309\u952e\u7684\u63a7\u5236 <em>KeyState<\/em>\u3002\u5bf9\u5e94\u6309\u952e\u7684\u6570\u5b57\u6709\u70b9\u6613\u6df7\u6dc6\uff0c\u5e76\u4e14\u4e0d\u503c\u5f97\u5728\u6b64\u5904\u89e3\u91ca\u3002\u7528\u4e0b\u8fb9\u7684\u8868\u5c31\u597d\u3002<\/p>\n<p><strong>12.9. \u7528MouseX\u505a\u89e6\u53d1<\/strong><\/p>\n<pre class=\"brush:jfx\">(\r\n{\r\n     SinOsc.ar(\r\n          440,\r\n          mul: EnvGen.kr(Env.perc(0.001, 0.3), SinOsc.ar(2))\r\n     )\r\n}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">(\r\n{\r\n     SinOsc.ar(\r\n          440,\r\n          mul: EnvGen.kr(Env.perc(0.001, 0.3), MouseX.kr(-0.1, 0.1))\r\n     )\r\n}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">(\r\n{\r\n     SinOsc.ar(\r\n          440,\r\n          mul: EnvGen.kr(Env.perc(0.001, 2), MouseButton.kr(0, 1))\r\n     )\r\n}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">(\r\n{\r\n     SinOsc.ar( \/\/ \u6309\u4e0b \"j\" \u6765\u6fc0\u6d3b\u8fd9\u4e2a\u5305\u7edc\r\n          440,\r\n          mul: EnvGen.kr(Env.perc(0.001, 2), KeyState.kr(38, 0, 1))\r\n     )\r\n}.play\r\n)<\/pre>\n<p><code>\/\/ \u952e\u76d8\u5bf9\u5e94\u6570\u5b57\u4e00\u89c8\u8868:<br \/>\n1-18; 2-19; 3-20; 4-21; 5-23; 6-22; 7-26; 8-28; 0-29; --27; =-24<br \/>\nq-12; w-13; e-14; r-15; t-17; y-16; u-32; i-34; o-31; p-35<br \/>\na-0; s-1; d-2; f-3; g-5; h-4; j-38; k-40; l-37; ;-41; '-39<br \/>\nz-6; x-7; c-8; v-9; b-11; n-45; m-46; ,- 43; .-47; \/-44;<\/code><\/p>\n<p>ugen <em>TRand<\/em> \u54cd\u5e94\u4e00\u4e2a\u89e6\u53d1\u5668\uff0c\u5728\u7ed9\u5b9a\u7684\u8303\u56f4\u5185\u8fd4\u56de\u4e00\u4e2a\u968f\u673a\u503c\u3002\u5b83\u53ef\u88ab\u7528\u4f5c<em>SinOsc<\/em>\u9891\u7387\u5f15\u6570\u7684\u63a7\u5236\u6e90\u3002<\/p>\n<p>\u4e0b\u4f8b\u4f7f\u7528\u4e00\u4e2a\u53d8\u91cf\u8fde\u63a5\u8d77\u4e86\u82e5\u5e72\u5f15\u6570\u3002\u6bcf\u6b21trigger\uff08\u89e6\u53d1\uff09\uff0c<em>TRand<\/em>\u90fd\u4f1a\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u97f3\u3002\u540c\u65f6\u4e5f\u4f1a\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5305\u7edc\uff0c\u56e0\u6b64\u5b83\u4eec\u662f\u4e00\u81f4\u7684\u3002\u540c\u6837\u5730\uff0c\u8870\u51cf\u7387\uff08<em>Env.perc<\/em>\u7684\u7b2c\u4e8c\u5f15\u6570\uff09\u4e0e\u89e6\u53d1\u901f\u5ea6\u662f\u6210\u6bd4\u4f8b\u7684\uff0c\u672c\u4f8b\u4e2d\u4e3a1\/2\u3002\u4e8e\u662f\u6bcf\u4e2a\u88ab\u89e6\u53d1\u7684\u4e8b\u4ef6\u5c06\u5728\u53e6\u4e00\u4e2a\u5f00\u59cb\u524d\u8870\u51cf\u3002\u5982\u679c\u8870\u51cf\u6bd4\u89e6\u53d1\u7684\u5468\u671f\u957f\uff0c\u4e8b\u4ef6\u5c06\u5f7c\u6b64\u91cd\u53e0\u3002\u8fd9\u662f\u771f\u5b9e\u4e16\u754c\u4e2d\u6bcf\u5929\u90fd\u5728\u4e0a\u6f14\u7684\uff0c\u4f46\u6211\u8c03\u6574\u4e86\u6b64\u70b9\uff0c\u4ee5\u63cf\u8ff0\u4e00\u4e2a\u53d8\u91cf\u7684\u5e94\u7528\u3002<\/p>\n<p>\u8bd5\u7740\u6539\u53d8\u89e6\u53d1\u901f\u5ea6\u548c\u97f3\u5934\u5f3a\u5ea6\u3002\u6ce8\u610f\u5f53\u89e6\u53d1\u8f83\u6162\u65f6\uff0c\u8870\u51cf\u66f4\u957f\u3002\u4f60\u60f3\u600e\u6837\u628a\u97f3\u5934\u6301\u7eed\u65f6\u95f4\u548c\u89e6\u53d1\u65f6\u95f4\u8fde\u63a5\u5728\u4e00\u8d77\u5462\uff1f\u4f60\u80fd\u5c06\u5b83\u4eec\u5206\u914d\u5230\u4e24\u4e2a\u8f68\u9053\u91cc\u53bb\u5417\uff1f\u5de6\u58f0\u9053\u662f\u66f4\u5feb\u6bd4\u7387\uff08rate\uff09\u7684\u8f83\u4f4e\u97f3\u7b26\uff0c\u53f3\u58f0\u9053\u662f\u66f4\u6162\u6bd4\u7387\u7684\u8f83\u9ad8\u97f3\u7b26\uff1f<\/p>\n<p><strong>12.10. \u89e6\u53d1\u5668\u548c\u5305\u7edc<\/strong><\/p>\n<pre class=\"brush:jfx\">(\r\n{\r\nvar triggerSpeed, trigger;\r\n\r\ntriggerSpeed = 8;\r\ntrigger = Impulse.kr(triggerSpeed);\r\n\r\nSinOsc.ar(\r\n      TRand.kr(100, 2000, trigger),\r\n      mul: EnvGen.kr(\r\n            Env.perc(0.001, 1\/triggerSpeed),\r\n            trigger\r\n       )\r\n)\r\n}.play\r\n)<\/pre>\n<h3>\u6301\u7eed\u548c\u9891\u7387<\/h3>\n<p>\u4e00\u4e2a\u4e8b\u4ef6\u6216\u4e00\u7cfb\u5217\u4e8b\u4ef6\u53ef\u80fd\u88ab\u63cf\u8ff0\u4e3a\u6301\u7eed\u65f6\u95f4\uff08\u6bcf\u4e2a\u4e8b\u4ef6\u6301\u7eed\u51e0\u79d2\uff09\u6216\u9891\u7387\uff08\u7ed9\u5b9a\u5468\u671f\u5185\u7684\u4e8b\u4ef6\u6570\u91cf\uff09\u3002\u4e0a\u9762\u90a3\u4e2apatch\u4e2d\uff0c\u89e6\u53d1\u901f\u5ea6\u662f\u9891\u7387\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5b83\u88ab\u8868\u8ff0\u4e3a\u6bcf\u79d2\u4e8b\u4ef6\u53d1\u751f\u7684\u91cf\u3002<em>Env.perc<\/em>\u7684\u8870\u51cf\u5f15\u6570\u662f\u6301\u7eed\u65f6\u95f4\uff0c\u5373\u6bcf\u4e2a\u4e8b\u4ef6\u6301\u7eed\u7684\u65f6\u95f4\u3002\u4f46\u5728\u8fd9\u4e2apatch\u5185\uff0c\u4e24\u8005\u88ab\u8fde\u5728\u4e86\u4e00\u8d77\uff1a\u6301\u7eed\u65f6\u95f4\u5fc5\u987b\u4e0e\u6bcf\u6b21\u89e6\u53d1\u4e00\u6837\u957f\uff0c\u5e76\u4e14\u6bcf\u4e2a\u65b0\u7684\u89e6\u53d1\u5fc5\u987b\u53d1\u751f\u5728\u6bcf\u4e2a\u65f6\u5e8f\u65f6\u95f4\u7684\u7ed3\u5c3e\u3002\u5f04\u660e\u767d\u5b83\u4eec\u7684\u5173\u7cfb\u5f88\u91cd\u8981\uff0c\u5982\u4f55\u8868\u8ff0\u6162\u4e8e\u6bcf\u79d2\u4e00\u6b21\u7684\u9891\u7387\u6216\u77ed\u4e8e\u4e00\u79d2\u7684\u6301\u7eed\u65f6\u95f4\uff0c\u4ee5\u53ca\u5982\u4f55\u5c06\u4e00\u4e2a\u8f6c\u5316\u4e3a\u53e6\u4e00\u4e2a\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u660e\u767d\u5982\u4f55\u5c06\u5b83\u4eec\u4e24\u8005\u90fd\u8868\u8ff0\u4e3a\u6bd4\u7387\uff08ratio\uff09\u3002<\/p>\n<p>\u5c31\u9891\u7387\u6765\u8bf4\uff0c\u4e8b\u4ef6\u7684\u6570\u91cf\u662f\u5206\u5b50\uff0c\u65f6\u95f4\uff08\u901a\u5e38\u662f\u79d2\uff09\u662f\u5206\u6bcd\u3002\u6bd4\u5982\u8bf4\uff0c40Hz \u662f 1\u79d2\u518540\u4e2a\u4e8b\u4ef6\uff0c\u621640\/1\u3002\u5f53\u4e00\u4e2a\u9891\u7387\u4f4e\u4e8e\u6bcf\u79d2\u4e00\u6b21\uff0c\u4f60\u53ef\u4ee5\u5c06\u4e4b\u8868\u8ff0\u4e3a\u5c0f\u9f20\uff0c\u6bd4\u59820.1\u3002\u4f46\u4f60\u4e5f\u53ef\u4ee5\u7ee7\u7eed\u6cbf\u7528\u5206\u5b50\u548c\u5206\u6bcd\u7684\u65b9\u6cd5\uff0c\u589e\u5927\u5206\u6bcd\uff08\u65f6\u95f4\uff09\u800c\u4e0d\u662f\u51cf\u5c11\u4e8b\u4ef6\u7684\u91cf\u3002\u6bd4\u5982\u8bf4\uff0c2Hz \u662f\u6bcf\u79d22\u4e2a\u4e8b\u4ef6\uff0c\u62162\/1\u30021Hz\u662f\u6bcf\u79d21\u4e2a\u4e8b\u4ef6\uff0c\u62161\/1\u30025\u79d2\u4e00\u4e2a\u4e8b\u4ef6\u662f1\/5\uff0c\u56e0\u6b64\u662f0.2Hz\uff08\u6bcf\u79d20.2\u4e2a\u4e8b\u4ef6\uff09\u3002<\/p>\n<p>\u5bf9\u6301\u7eed\u65f6\u95f4\u6765\u8bf4\uff0c\u65f6\u95f4\u662f\u5206\u5b50\uff0c\u800c\u4e8b\u4ef6\u591a\u5c11\u662f\u5206\u6bcd\u3002\u4e00\u4e2a\u6301\u7eed5\u79d2\u7684\u4e8b\u4ef6\u53ef\u4ee5\u88ab\u8868\u8ff0\u4e3a\u4e94\u79d2\u4e00\u4e2a\u4e8b\u4ef6\uff0c\u62165\/1\u3002\u5f53\u6301\u7eed\u65f6\u95f4\u4f4e\u4e8e1\u79d2\u65f6\u4f60\u4e5f\u53ef\u4ee5\u5982\u6cd5\u70ae\u5236\uff1a5\/1 \u662f5\u79d2\u4e00\u4e2a\u4e8b\u4ef6\uff0c1\/1\u662f1\u79d2\u4e00\u4e2a\u4e8b\u4ef6\uff0c1\/2 \u662f\u4e00\u79d2\u4e24\u4e2a\u4e8b\u4ef6\uff0c\u6bcf\u4e2a\u4e8b\u4ef6\u6301\u7eed1\/2\u79d2\uff080.5\uff09\u3002<\/p>\n<p>\u6301\u7eed\u65f6\u95f4\u548c\u9891\u7387\u4e8e\u662f\u5c31\u53d8\u4e3a\u4e86\u5012\u6570\u3002\u5728\u4e24\u8005\u4e4b\u95f4\u8f6c\u6362\u53ea\u9700\u7b80\u5355\u7684\u4ea4\u6362\u5206\u5b50\u4e0e\u5206\u6bcd\u3002\u4ee5\u9891\u7387\u4e3a40Hz\u4e3a\u4f8b\u3002\u6bcf\u4e2a\u6ce2\u7684\u6301\u7eed\u65f6\u95f4\u662f\u591a\u4e45\uff1f1\u79d2\u5185\u670940\u4e2a\u6ce2\uff0c\u621640\/1\u3002\u6bcf\u4e2a\u6ce2\u7684\u6301\u7eed\u65f6\u95f4\u662f\u5176\u5012\u6570\uff1a1\/40\uff081\u79d240\u4e2a\u4e8b\u4ef6\uff09\u3002\u56e0\u6b64\u6bcf\u4e2a\u72ec\u7acb\u4e8b\u4ef6\u7684\u6301\u7eed\u65f6\u95f4\u4e3a1\/40\u79d2\u3002<\/p>\n<p>\u8981\u8f6c\u6362\u6301\u7eed\u65f6\u95f4\u5230\u9891\u7387\uff0c\u5982\u6cd5\u70ae\u5236\u3002<\/p>\n<p>\u7531\u4e8eSC\u61c2\u5f97\u5c0f\u6570\u548c\u5206\u6570\u6807\u8bb0\u6cd5\uff0c\u6211\u7684\u5b66\u751f\u4eec\u53d1\u73b0\u59cb\u7ec8\u4f7f\u7528\u5206\u6570\u5e76\u8ba9SC\u53bb\u505a\u6570\u5b66\u662f\u66f4\u7b80\u5355\u7684\u3002\u56e0\u6b64\uff0c\u76f8\u6bd4\u8bbe\u7f6eLFO\u9891\u7387\u52300.1\uff0c\u4e0d\u5982\u76f4\u63a5\u8f93\u51651\/10\uff0810\u79d2\u4e00\u4e2a\u4e8b\u4ef6\uff09\u30023\/5 \u662f5\u79d2\u4e09\u4e2a\u4e8b\u4ef6\uff0c35\/41 \u662f41\u79d235\u4e2a\u4e8b\u4ef6\u3002\u5982\u679c\u5206\u6bcd\u662f1\uff0815\/1 \u62161\u79d215\u4e2a\u4e8b\u4ef6\uff09\uff0c\u4e22\u63891\u76f4\u63a5\u752815\u3002<\/p>\n<h3>\u540c\u6b65\u5316 LFO\u63a7\u5236<\/h3>\n<p>\u5c06\u9891\u7387\u548c\u6301\u7eed\u65f6\u95f4\u8868\u8ff0\u4e3a\u5206\u6570\u4fc3\u8fdb\u4e86LFO\u9891\u7387\u7684\u540c\u6b65\uff1a\u5728\u53e4\u65e9\u5408\u6210\u5668\u4e0a\u5f88\u96be\u5b9e\u73b0\u7684\u4e1c\u897f\u3002\u8bbe\u60f3\uff0c\u6bd4\u5982\u8bf4\uff0c\u4e00\u4e2a\u548c\u5f26\u7684\u516d\u4e2a\u97f3\uff0c\u6bcf\u4e2a\u90fd\u6709\u4e00\u4e2a\u89e6\u53d1\u3001\u97f3\u5934\u3001\u8870\u51cf\u548c\u6301\u7eed\u65f6\u95f4\u3002\u5982\u679c\u7b2c\u4e00\u4e2a\u89e6\u53d1\u7387\u4e3a2\/1\uff08\u6bcf\u79d22\u4e2a\u4e8b\u4ef6\uff09\uff0c\u53e6\u4e00\u4e2a\u662f3\/1\uff0c\u7136\u540e4\/1\uff0c5\/1\u7b49\u7b49\uff0c\u7136\u540e\u5b83\u4eec\u90fd\u5c06\u88ab\u6bcf\u79d2\u540c\u6b65\u4e00\u6b21\u3002\u540c\u6837\u5730\uff0c3\/15, 4\/15, 7\/15, 11\/15\u7684\u89e6\u53d1\u5668\u7b49\u7b49\uff0c\u5c06\u88ab\u6bcf15\u79d2\u540c\u6b65\u4e00\u6b21\u3002<\/p>\n<p>\u5bf9\u9891\u7387\u6765\u8bf4\u4e5f\u662f\u5982\u6b64\u3002\u5982\u679c10\u4e2a<em>SinOsc<\/em> ugen\u6709\u76f8\u5173\u7684\u88ab\u8868\u8ff0\u4e3a\u6bd4\u7387\u7684\u9891\u7387\uff0c\u5b83\u4eec\u5c06\u5728\u5206\u6bcd\u8868\u8ff0\u7684\u5468\u671f\u5185\u540c\u6b65\u3002\u8fd9\u53e5\u8bdd\u592a\u6666\u6da9\uff0c\u6240\u4ee5\u8fd9\u91cc\u662f\u4e00\u4e2a\u4f8b\u5b50\u30025\u4e2a<em>SinOsc<\/em>\uff0c\u9891\u7387\u5206\u522b\u4e3a4\/10, 3\/10, 6\/10, 7\/10, \u5c06\u6bcf10\u79d2\u56de\u5230\u540c\u6b65\u72b6\u6001\u4e00\u6b21\u3002<\/p>\n<p><strong>12.11. \u540c\u6b65\u5316\u7684LFO\u548c\u89e6\u53d1\u5668<\/strong><\/p>\n<pre class=\"brush:jfx\">(\r\n{\r\nSinOsc.ar(SinOsc.ar(4\/10, mul: 100, add: 1000), mul: 0.1) +\r\nSinOsc.ar(SinOsc.ar(2\/10, mul: 100, add: 1000), mul: 0.1) +\r\nSinOsc.ar(SinOsc.ar(5\/10, mul: 100, add: 1000), mul: 0.1)\r\n}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">(\r\n{\r\nvar scale = 300, offset = 500;\r\nSinOsc.ar(SinOsc.ar(4\/3, mul: scale, add: offset), mul: 0.1) +\r\nSinOsc.ar(SinOsc.ar(7\/3, mul: scale, add: offset), mul: 0.1) +\r\nSinOsc.ar(SinOsc.ar(2\/3, mul: scale, add: offset), mul: 0.1) +\r\nSinOsc.ar(SinOsc.ar(8\/3, mul: scale, add: offset), mul: 0.1) +\r\nSinOsc.ar(SinOsc.ar(6\/3, mul: scale, add: offset), mul: 0.1) +\r\nSinOsc.ar(SinOsc.ar(5\/3, mul: scale, add: offset), mul: 0.1)\r\n}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">(\r\n{\r\nvar scale = 600, offset = 1000, synch = 10;\r\nSinOsc.ar(SinOsc.ar(4\/synch, mul: scale, add: offset), mul: 0.1) +\r\nSinOsc.ar(SinOsc.ar(7\/synch, mul: scale, add: offset), mul: 0.1) +\r\nSinOsc.ar(SinOsc.ar(2\/synch, mul: scale, add: offset), mul: 0.1) +\r\nSinOsc.ar(SinOsc.ar(8\/synch, mul: scale, add: offset), mul: 0.1) +\r\nSinOsc.ar(SinOsc.ar(6\/synch, mul: scale, add: offset), mul: 0.1) +\r\nSinOsc.ar(SinOsc.ar(5\/synch, mul: scale, add: offset), mul: 0.1)\r\n}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">( \/\/ \u540c\u6b65\u5316\u7684\u89e6\u53d1\u5668\r\n{\r\nvar synch = 5;\r\nSinOsc.ar(100, mul: EnvGen.kr(Env.perc(0, 1), Impulse.kr(3\/synch))) +\r\nSinOsc.ar(300, mul: EnvGen.kr(Env.perc(0, 1), Impulse.kr(7\/synch))) +\r\nSinOsc.ar(500, mul: EnvGen.kr(Env.perc(0, 1), Impulse.kr(5\/synch))) +\r\nSinOsc.ar(700, mul: EnvGen.kr(Env.perc(0, 1), Impulse.kr(2\/synch))) +\r\nSinOsc.ar(900, mul: EnvGen.kr(Env.perc(0, 1), Impulse.kr(9\/synch))) +\r\nSinOsc.ar(1100, mul: EnvGen.kr(Env.perc(0, 1), Impulse.kr(6\/synch))) +\r\nSinOsc.ar(1300, mul: EnvGen.kr(Env.perc(0, 1), Impulse.kr(1\/synch))) * 0.1\r\n}.play\r\n)<\/pre>\n<h3>\u9891\u7387\u548c\u6301\u7eed\u65f6\u95f4\u8fde\u63a5<\/h3>\n<p>\u5728\u4e00\u4e2apatch\u5185\u8fde\u63a5\u6301\u7eed\u65f6\u95f4\uff08\u4f8b\u5982\u97f3\u5934\u548c\u8870\u51cf\uff09\u4e0e\u9891\u7387\uff0c\u6211\u4eec\u9700\u8981\u5728\u5f00\u59cb\u7f16\u7a0b\u524d\u4fbf\u4e3a\u4e8c\u8005\u8d4b\u4e88\u53d8\u91cf\u3002<\/p>\n<p><strong>12.12. \u6301\u7eed\u65f6\u95f4\u3001\u97f3\u5934\u5f3a\u5ea6\u3001\u8870\u51cf<\/strong><\/p>\n<pre class=\"brush:jfx\">var dur, att, dec, trigFreq;\r\n\r\ndur = 10; \/\/ \u6301\u7eed10\u79d2\r\natt = dur*0.1;\r\ndec = dur*0.9;\r\ntrigFreq = 1\/dur;<\/pre>\n<p>\u6216<\/p>\n<pre class=\"brush:jfx\">freq = 10; \/\/ \u6bcf\u79d210\u6b21\r\natt = 1\/freq*0.1;\r\ndec = 1\/freq*0.9;\r\nduration = 1\/feq;<\/pre>\n<h3>\u95e8\u9650\uff08Gates\uff09<\/h3>\n<p>\u4e00\u4e2a\u95e8\u9650\u5c31\u662f\u4e00\u4e2a\u89e6\u53d1\u5668\u548c\u6301\u7eed\u65f6\u95f4\uff08\u89e6\u53d1\u5668\u662f\u6301\u7eed\u65f6\u95f4\u4e3a0\u7684\u95e8\u9650\uff09\u3002\u89e6\u53d1\u5668\u88ab\u7528\u4e8e\u56fa\u5b9a\u957f\u5ea6\u7684\u5305\u7edc\u3002\u95e8\u9650\u53ef\u4ee5\u88ab\u7528\u4e8e\u56fa\u5b9a\u6216\u6301\u7eed\u7684\u5305\u7edc\uff0c\u4f46\u5bf9\u6301\u7eed\u5305\u7edc\u662f\u5fc5\u9700\u7684\u3002\u95e8\u9650\u7684\u6301\u7eed\u65f6\u95f4\uff08duration\uff09\u5b9a\u4e49\u6301\u7eed\u65f6\u95f4\uff08sustain time\uff09\u3002<\/p>\n<p>\u7ba1\u98ce\u7434\u4fbf\u662f\u95e8\u9650\u5305\u7edc\u7684\u4e00\u4e2a\u5f88\u597d\u7684\u4f8b\u5b50\u3002\u201c\u95e8\u9650\u201d\u88ab\u6309\u3001\u6301\u7eed\u6309\u548c\u91ca\u653e\u6309\u952e\u5b9a\u4e49\u3002\u5f53\u4f60\u6309\u952e\u65f6\uff0c\u7ba1\u5b50\u53d1\u58f0\u3002\u5982\u679c\u6301\u7eed\u6309\u4f4f\u7684\u8bdd\uff0c\u5b83\u53ef\u80fd\u4f1a\u8870\u51cf\u4e00\u70b9\u70b9\uff0c\u4f46\u4f1a\u6700\u7ec8\u8fbe\u5230\u4e00\u4e2a\u6301\u7eed\u6c34\u5e73\u3002\u53ea\u8981\u4f60\u7684\u624b\u6307\u4e0d\u653e\u5f00\uff0c\u5b83\u5c31\u4f1a\u4e00\u76f4\u4fdd\u6301\u5728\u90a3\u4e2a\u6c34\u5e73\u4e0a\u3002\u5f53\u4f60\u91ca\u653e\u6309\u952e\u65f6\uff0c\u4e00\u6bb5\u65f6\u95f4\u4e4b\u540e\u58f0\u97f3\u5c06\u5b8c\u5168\u6d88\u5931\u3002<\/p>\n<p><em>Env.adsr<\/em> \u662f\u4e00\u4e2a\u95e8\u9650\u5305\u7edc\u3002\u5b83\u5728\u95e8\u9650\u6301\u7eed\u65f6\u95f4\u5185\u59cb\u7ec8\u5904\u4e8e\u201c\u5f00\u542f\u201d\u72b6\u6001\u3002\u5f15\u6570\u5373\u97f3\u5934\uff08attack\uff09\uff0c\u8870\u51cf\uff08decay\uff09\uff0c\u6301\u7eed\uff08sustain\uff09\u548c\u91ca\u653e\uff08release\uff09\u3002\u97f3\u5934\u662f\u6700\u521d\u5347\u81f31.0\u7684\u957f\u5ea6\u3002\u5b83\u4e0e\u95e8\u9650\u540c\u65f6\u5f00\u59cb\u3002\u8870\u51cf\u662f\u5176\u8dcc\u843d\u81f3\u6301\u7eed\u9636\u6bb5\u7684\u65f6\u95f4\u957f\u77ed\u3002\u5b83\u5728\u95e8\u9650\u7684\u4e2d\u90e8\u3002\u6ce8\u610f\u6301\u7eed\uff08sustain\uff09\u4e0d\u662f\u6301\u7eed\u65f6\u95f4\u7684\u957f\u5ea6\uff0c\u800c\u662f\u5728\u95e8\u9650\u5173\u95ed\u524d\u6301\u7eed\u90e8\u5206\u7684\u6c34\u5e73\u3002\u91ca\u653e\u662f\u95e8\u9650\u5173\u95ed\u540e\u4ece\u6301\u7eed\u6c34\u5e73\u56de\u52300\u7684\u65f6\u95f4\u957f\u77ed\u3002\u4ee5\u4e0b\u4e3a\u4e00\u4e2a adsr \u7684\u56fe\u91ca\u3002<\/p>\n<figure id=\"attachment_1187\" aria-describedby=\"caption-attachment-1187\" style=\"width: 540px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p3.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p3.gif\" alt=\"\u95e8\u9650 plot\" title=\"\u95e8\u9650 plot\" width=\"540\" height=\"231\" class=\"size-full wp-image-1187\" srcset=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p3.gif 540w, https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p3-480x205.gif 480w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/a><figcaption id=\"caption-attachment-1187\" class=\"wp-caption-text\">\u95e8\u9650 plot<\/figcaption><\/figure>\n<p><em>MouseX<\/em> \u53ef\u4ee5\u88ab\u7528\u4f5c\u89e6\u53d1\u5668\uff0c\u5c31\u50cf\u4e0a\u8fb9\u8fd9\u6837\uff0c\u4f46\u5b83\u540c\u65f6\u4e5f\u53ef\u4ee5\u4f5c\u95e8\u9650\u3002\u5728 <em>MouseX<\/em> \u4e3a\u6b63\u503c\u7684\u8303\u56f4\u5185\uff0c\u95e8\u5c06\u59cb\u7ec8\u201c\u6253\u5f00\u201d\u3002\u5f53\u95e8\u5f00\u653e\u7684\u65f6\u5019\uff0c<em>Env.adsr<\/em> \u5c06\u6709\u97f3\u5934\uff08attack\uff09\uff0c\u7136\u540e\u8870\u51cf\uff08decay\uff09\u5230\u7ef4\u6301\u5728 \u6301\u7eed\uff08sustain\uff09 \u7684\u6c34\u5e73\u4e0a\uff0c\u76f4\u5230\u95e8\u9650\u5173\u95ed\u3002\u5f53 <em>MouseX<\/em> \u5c0f\u4e8e0\u4e4b\u540e\uff0c\u95e8\u9650\u5173\u95ed\uff0c\u5e76\u91ca\u653eEnv.adsr\u3002<\/p>\n<p>\u5c1d\u8bd5\u6539\u53d8<em>Env.adsr<\/em>\u7684\u503c\u3002<\/p>\n<p>\u7b2c\u4e8c\u4f8b\u4e2d\uff0c\u5c06 <em>EncGen<\/em> \u548c <em>Env<\/em> \u4f5c\u4e3a <em>SinOsc<\/em> \u7684\u9891\u7387\u5f15\u6570\uff08\u7528\u9002\u5f53\u6539\u53d8\u540e\u7684 \u7f29\u653e \u548c \u504f\u79fb\uff09\u3002\u56e0\u4e3a\u4f60\u66f4\u5bb9\u6613\u542c\u5230\u97f3\u9ad8\u7684\u6539\u53d8\uff0c\u56e0\u6b64\u4f60\u80fd\u66f4\u597d\u7684\u542c\u5230\u5305\u7edc\u7684\u5f62\u72b6\u3002<\/p>\n<p><strong>12.13. \u7528\u95e8\u9650\u505a\u5305\u7edc<\/strong><\/p>\n<pre class=\"brush:jfx\">(\r\n{\r\n    SinOsc.ar(440,\r\n         mul: EnvGen.kr(\r\n                 \/\/\u5305\u7edc\u662f\u97f3\u5934\u5f3a\u5ea6\uff0c\u8870\u51cf\uff0c\u6301\u7eed\u6c34\u5e73\uff0c\u91ca\u653e\r\n                Env.adsr(0.001, 0.3, 0.2, 0.1),\r\n                MouseX.kr(-0.1, 0.1) \/\/\u95e8\u9650\r\n         )\r\n     )\r\n}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">(\r\n{\r\n     SinOsc.ar(\r\n           400 + EnvGen.kr(\r\n                  Env.adsr(0.3, 0.4, 0.2, 1),\r\n                  MouseX.kr(-0.1, 0.1),\r\n                  1000\r\n           ),\r\n          mul: 0.5\r\n)\r\n}.play\r\n)<\/pre>\n<p>\u6700\u540e\uff0c<em>LFNoise0<\/em> \u662f\u4e00\u4e2a\u5728 -1\u4e0e1\u95f4\u5f98\u5f8a\u7684\u968f\u673a\u97f3\u6e90\u3002\u5b83\u53ef\u88ab\u7528\u4e8e\u63d0\u4f9b\u4e00\u4e2a\u968f\u673a\u7684\u95e8\u9650\uff08\u968f\u673a\u7684\u89e6\u53d1\u5668\u548c\u968f\u673a\u6301\u7eed\u65f6\u95f4\uff09\u3002\u5f53\u5b83\u662f\u6b63\u503c\u7684\u65f6\u5019\uff0c\u95e8\u9650\u6253\u5f00\uff1b\u5f53\u5b83\u5c0f\u4e8e0\uff0c\u95e8\u9650\u5173\u95ed\u3002<\/p>\n<p><strong>12.14. \u7528LFNoise\u505a\u95e8\u9650\u7684\u5305\u7edc<\/strong><\/p>\n<pre class=\"brush:jfx\">(\r\n{\r\n     SinOsc.ar(\r\n           LFNoise0.kr(13, 1000, 1200),\r\n           mul: EnvGen.kr(\r\n                 \/\/\u5305\u7edc\u662f\u97f3\u5934\u5f3a\u5ea6\uff0c\u8870\u51cf\uff0c\u6301\u7eed\u6c34\u5e73\uff0c\u91ca\u653e\r\n                 Env.adsr(0.001, 0.3, 0.2, 0.1),\r\n                 LFNoise0.kr(3) \/\/\u95e8\u9650\r\n            )\r\n      )\r\n}.play\r\n)<\/pre>\n<p>\u5373\u4f7f\u5bf9\u4e8e\u6700\u590d\u6742\u7684\u5408\u6210\u5668\u6765\u8bf4\uff0c\u4f60\u90fd\u5f88\u96be\u627e\u5230\u591a\u4e8e\u4e09\u4e2a\u6216\u56db\u4e2a\u8f6c\u6298\u70b9\uff08\u5305\u7edc\u7ebf\u6539\u53d8\u65b9\u5411\u7684\u70b9\uff09\u7684\u5305\u7edc\u3002\u771f\u4e50\u5668\u80fd\u5728\u632f\u5e45\u4e0a\u6700\u66f4\u590d\u6742\u7684\u53d8\u5316\u3002SC\u7528\u201cnew\u201d\u6d88\u606f\u5141\u8bb8\u505a\u5230\u8fd9\u4e48\u590d\u6742\u7684\u6c34\u5e73\u3002\u524d\u4e24\u4e2a\u5f15\u6570\u4e3a\u6570\u7ec4\u3002\u7b2c\u4e00\u4e2a\u6570\u7ec4\u5305\u542b\u6bcf\u4e2a\u8f6c\u6298\u70b9\u7684\u6c34\u5e73\uff0c\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u5305\u542b\u6bcf\u4e2a\u8f6c\u6298\u70b9\u95f4\u7684\u6301\u7eed\u65f6\u95f4\u3002\u6ce8\u610f\uff0c\u6c34\u5e73\u6570\u7ec4\u4e2d\u5fc5\u987b\u6bd4\u65f6\u95f4\u6570\u7ec4\u591a\u4e00\u4e2a\u503c\u3002\u4e0b\u8fb9\u8fd9\u4e2apatch\u7528\u4e00\u4e2a\u590d\u6742\u7684\u5305\u7edc\u63a7\u5236\u9891\u7387\u3002<em>EnvGen<\/em>\u521b\u90200\u52301\u7684\u503c\uff0c\u56e0\u6b64\u5b83\u6700\u540e\u88ab*\u548c+\u7f29\u653e\u5e76\u504f\u79fb\u3002\u540e\u8fb9\u7684\u56fe\u793a\u5c55\u793a\u4e86\u5305\u7edc\u7684\u5f62\u72b6\u3002<\/p>\n<p><strong>12.15. \u590d\u6742\u7684\u5305\u7edc<\/strong><\/p>\n<pre class=\"brush:jfx\">(\r\n{\r\nSinOsc.ar(\r\n      EnvGen.kr(Env.new(\r\n            [ 0, 0.5, 0, 0.3, 0.3, 0, 0.1, 0, 0.2, 0.3, 0.15, 0.5, 0.25 ],\r\n            [1, 0.5, 0.5, 2, 0.7, 1, 0.3, 0.6, 0.5, 0.8, 0, 0.4])\r\n      ) * 1000 + 200\r\n)\r\n}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">\/\/ \u8fd9\u5c06\u7ed8\u5236\u6570\u7ec4\r\n[ 0, 0.5, 0, 0.3, 0.3, 0, 0.1, 0, 0.2, 0.3, 0.15, 0.5, 0.25 ].plot<\/pre>\n<figure id=\"attachment_1188\" aria-describedby=\"caption-attachment-1188\" style=\"width: 521px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p4.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p4.gif\" alt=\"\u590d\u6742\u7684\u5305\u7edc\u7ebf\" title=\"\u590d\u6742\u7684\u5305\u7edc\u7ebf\" width=\"521\" height=\"226\" class=\"size-full wp-image-1188\" srcset=\"https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p4.gif 521w, https:\/\/learn.travelchinawith.me\/wp-content\/uploads\/2011\/02\/p4-480x208.gif 480w\" sizes=\"auto, (max-width: 521px) 100vw, 521px\" \/><\/a><figcaption id=\"caption-attachment-1188\" class=\"wp-caption-text\">\u590d\u6742\u7684\u5305\u7edc\u7ebf<\/figcaption><\/figure>\n<p>\u6700\u540e\uff0c\u4e0b\u8fb9\u662f\u5404\u79cd\u94c3\u94db\u5b9e\u9a8c\uff0c\u6bcf\u4e2a\u4e8b\u4ef6\u7684\u97f3\u9ad8\u6216\u8005\u8bf4\u9891\u7387\u4ece\u4e00\u4e2a\u8303\u56f4\u9009\u53d6\u3002\u5bf9\u4e8e\u7edd\u5927\u591a\u6570\u4e50\u5668\u7684\u4e00\u4e2a\u4e8b\u4ef6\u6765\u8bf4\uff0c\u9ad8\u9891\u6301\u7eed\u65f6\u95f4\u77ed\uff0c\u4f4e\u9891\u6301\u7eed\u65f6\u95f4\u957f\u3002\u8fd9\u4e2apatch\u5c55\u793a\u4e86\u5982\u4f55\u7528\u4e00\u4e2a\u53d8\u91cf\u5c06\u6bcf\u4e2a\u4e8b\u4ef6\u7684\u6301\u7eed\u65f6\u95f4\u4e0e\u9891\u7387\u6302\u94a9\u3002\u6709\u51e0\u4e2augen\u4f60\u4e4b\u524d\u4ece\u6ca1\u89c1\u8fc7\uff0c\u8bfb\u8bfb\u5e2e\u52a9\u6587\u6863\u5c31\u597d\u3002<\/p>\n<h3>\u5b9e\u9a8c\u7a0b\u5e8f<\/h3>\n<p>\u73b0\u5728\u4f60\u5df2\u7ecf\u5177\u5907\u4e86\u5b9e\u9a8c\u63a2\u7d22\u7684\u57fa\u672c\u5de5\u5177\u3002\u7528SC\u505a\u5408\u6210\u5373\u641e\u61c2patch\u5185ugen\u7684\u53c2\u6570\uff08\u5f15\u6570\uff09\uff0c\u5e76\u7528\u4e0d\u540c\u79cd\u7c7b\u7684\u63a7\u5236\u8fdb\u884c\u5b9e\u9a8c\u3002\u6240\u6709\u7684\u5408\u6210\u90fd\u53ef\u4ee5\u88ab\u5206\u89e3\u4e3a\u63a7\u5236\u58f0\u97f3\u7684\u4e09\u4e2a\u5143\u7d20\uff1a\u9891\u7387\uff0c\u632f\u5e45\uff0c\u97f3\u8272\uff0c\u8fd9\u4ee4\u6211\u611f\u5230\u53ef\u9760\u800c\u5b89\u5fc3\u3002<\/p>\n<p>\u672c\u6559\u7a0b\u6700\u540e\u51e0\u7ae0\u987a\u5e8f\u5c55\u793a\u4e86\u6211\u5b9e\u9a8c\u8fdb\u7a0b\u4e2d\u7684\u6982\u5ff5\uff1a\u6211\u901a\u5e38\u59cb\u4e8e\u4e00\u4e2a\u8d85\u7b80\u5355\u7684patch\uff0c\u53ef\u80fd\u4ec5\u4e00\u4e2a\u632f\u8361\u5668\u3002\u7136\u540e\u52a0\u5165\u4e24\u4e09\u4e2a\u76f8\u4e92\u8fde\u63a5\u7684\u63a7\u5236\u3002\u7528<em>MouseX<\/em>\u66ff\u4ee3\u73b0\u5b58\u7684\u9759\u6001\u503c\uff0c\u4ee5\u5c1d\u8bd5\u4e00\u4e2a\u8303\u56f4\u7684\u503c\u3002\u968f\u540e\u5f00\u59cb\u601d\u8003\u8fd8\u6709\u6ca1\u6709\u5176\u4ed6\u7684\u63a7\u5236\u6e90\u53ef\u4ee5\u4f7f\u7528\u4ee5\u81ea\u52a8\u8d70\u8fc7\u90a3\u4e9b\u503c\u3002\u6211\u4e3a\u504f\u79fb\u548c\u7f29\u653e\u505a\u8ba1\u7b97\uff0c\u7136\u540e\u628a\u5b83\u653e\u5230patch\u91cc\u3002\u6700\u540e\u4e00\u6b65\u662f\u7528\u590d\u5236\u3001\u7acb\u4f53\u58f0\u6269\u5f20\u3001\u968f\u673a\u503c\u548c\u6df7\u5408\uff08mixing\uff09\u7b49\u624b\u6bb5\u8ba9patch\u53d8\u5f97\u66f4\u6d53\u539a\u3002\u8bf7\u968f\u610f\u7528\u8fd9\u4e2a\u6559\u7a0b\u4e2d\u4ee5\u53ca\u5e2e\u52a9\u3001\u793a\u8303\u6587\u6863\u4e2d\u7684\u4f8b\u5b50\u6309\u4e0a\u8fb9\u7684\u65b9\u6cd5\u7167\u505a\u3002<\/p>\n<h3>\u7ec3\u4e60\uff0c\u94c3\u94db<\/h3>\n<p><strong>12.16 \u94c3<\/strong><\/p>\n<pre class=\"brush:jfx\">(\r\n\/\/\u8fde\u63a5\u9891\u7387\u4e0e\u5305\u7edc\u957f\u5ea6\r\n  \/\/\u9ad8\u97f3\u77ed, \u4f4e\u97f3\u957f\r\n{\r\nvar frequency;\r\nMix.ar(\r\n       {\r\n           frequency = rrand(100, 5000);\r\n           Pan2.ar(\r\n\t        SinOsc.ar(\r\n\t            frequency,\r\n\t            mul: EnvGen.kr(\r\n\t                 Env.perc(0.001, 500\/frequency), \r\n\t                 Dust.kr(0.05),\r\n                         0.2\r\n\t            )\r\n\t        ), \r\n\t        rrand(-1.0, 1.0)\r\n             ) \r\n        }.dup(100)\r\n)\r\n}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">(\r\n\/\/\u8fde\u63a5\u9891\u7387\u4e0e\u8870\u51cf\u957f\u5ea6\r\n  \/\/\u57fa\u672c\u4e0a\u662f\u540c\u6837\u7684\u4ee3\u7801\u4f46\u66f4\u7d27\u51d1\r\n  \/\/\u4f4e\u97f3\u77ed\uff0c\u9ad8\u97f3\u957f\r\n{var frequency;\r\nMix.ar({\r\n          frequency = rrand(100, 3000);\r\n          Pan2.ar(SinOsc.ar(frequency,\r\n\t     mul: EnvGen.kr(Env.perc(0.001, frequency\/1000), \r\n\t         Dust.kr(0.05), 0.2)), rrand(-1.0, 1.0)) }.dup(100))}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">(\/\/\u9ad8\u97f3\u77ed, \u4f4e\u97f3\u957f\r\n{var frequency;\r\nMix.ar({\r\n          frequency = rrand(100, 3000);\r\n          Pan2.ar(SinOsc.ar(frequency,\r\n\t     mul: EnvGen.kr(Env.perc(200\/frequency, 0.0001), \r\n\t         Dust.kr(0.05), 0.2)), rrand(-1.0, 1.0)) }.dup(100))}.play\r\n)<\/pre>\n<pre class=\"brush:jfx\">(\/\/\u4f4e\u97f3\u77ed, \u9ad8\u97f3\u957f\r\n{var frequency;\r\nMix.ar({\r\n           frequency = rrand(100, 1000);\r\n           Pan2.ar(SinOsc.ar(frequency,\r\n\t      mul: EnvGen.kr(Env.perc(frequency\/500, 0001), \r\n\t          Dust.kr(0.05), 0.05)), rrand(-1.0, 1.0)) }.dup(100))}.play\r\n)<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u65e9\u671f\u7684\u5408\u6210\u5668\u6a21\u5757\u88ab\u547d\u540d\u4e3a\u7c7b\u4f3cVCO\u3001VCA\u6216\u8005VCF\u8fd9\u79cd\u5f62\u5f0f\u3002\u8fd9\u4e9b\u7f29\u5199\u4ee3\u8868\u63a7\u5236\u97f3\u9ad8\u7684\u7535\u538b\u63a7\u5236\u632f\u8361\u5668\uff0c\u63a7\u5236\u632f\u5e45\u5ea6\u7684\u653e\u5927\u5668\uff0c\u4ee5\u53ca\u63a7\u5236\u4e0a\u5c42\u8c10\u6ce2\u7ed3\u6784\u7684\u6ee4\u6ce2\u5668\u3002\u8fd9\u79cd\u534f\u8bae\u6709\u4e00\u70b9\u70b9\u53e4\u8001\u4e86\uff0c\u4f46\u5b83\u786e\u5b9e\u662f\u6240\u6709\u5408\u6210\u7cfb\u7edf\u548cSC patch\u7684\u5173\u952e\u6838\u5fc3\u3002\u63a7\u5236\u7b80\u5355\u7684\u610f\u5473\u7740\u6539\u53d8\u4e00\u4e2a\u53c2\u6570\u3002\u5f53\u4f60\u5f00\u5927\u4f60\u97f3\u7bb1\u7684\u97f3\u91cf\u65f6\uff0c\u4f60\u5b9e\u9645\u4e0a\u662f\u5728\u63a7\u5236\u5176\u632f\u5e45\u7684\u53c2\u6570\uff1b\u5f53\u4f60\u7528\u624b\u6307\u538b\u4f4f\u5409\u4ed6\u7684\u7434\u5f26\u65f6\uff0c\u4f60\u5b9e\u9645\u4e0a\u662f\u5728\u4eba\u4e3a\u7684\u63a7\u5236\u7434\u5f26\u7684\u957f\u5ea6\u8fdb\u800c\u63a7\u5236\u5176\u9891\u7387\u3002\u7535\u5b50\u97f3\u4e50\u5148\u950b\uff0c\u5176\u5b9e\u662f\u4e00\u7fa4\u53ef\u4ee5\u7cbe\u51c6\u5730\u3001\u8fc5\u901f\u5730\u3001\u7075\u6d3b\u5730\u8fd0\u7528\u7535\u5b66\u63a7\u5236\u8fd9\u4e9b\u58f0\u97f3\u53c2\u6570\u7684\u4eba\u3002\u4ed6\u4eec\u610f\u8bc6\u5230\u4eba\u7c7b\u4ee5\u53ca\u5f88\u591a\u4e50\u5668\u56fa\u6709\u7684\u5c40\u9650\u6027\uff08\u6211\u4eec\u80fd\u5531\u591a\u9ad8\u7684\u8c03\uff0c\u6211\u4eec\u80fd\u6f14\u594f\u591a\u5feb\uff0c\u4e00\u67b6\u94a2\u7434\u7684\u58f0\u97f3\u80fd\u591a\u54cd\uff09\u53ef\u4ee5\u7528\u7535\u5b66\u751f\u6210\u548c\u63a7\u5236\u7684\u58f0\u97f3\u6765\u8d85\u8d8a\u3002\u4ed6\u4eec\u662f\u6b63\u786e\u7684\uff0c\u5728\u4eca\u5929\uff0c\u8fd0\u7528\u673a\u5668\u751f\u6210\u97f3\u4e50\u51e0\u4e4e\u6ca1\u6709\u4efb\u4f55\u9650\u5236\u3002\u5b9e\u9645\u4e0a\uff0c\u5b83\u4eec\u80fd\u591f\u8f7b\u6613\u5730\u8d85\u8d8a\u6211\u4eec\u7684\u80fd\u529b\u5230\u6211\u4eec\u53ef\u611f\u77e5\u7684\u5c42\u9762\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[71],"tags":[72],"class_list":["post-1184","post","type-post","status-publish","format-standard","hentry","category-supercollider3","tag-sc"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/1184","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1184"}],"version-history":[{"count":5,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/1184\/revisions"}],"predecessor-version":[{"id":1194,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/1184\/revisions\/1194"}],"wp:attachment":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}