{"id":1241,"date":"2011-04-01T16:00:33","date_gmt":"2011-04-01T08:00:33","guid":{"rendered":"http:\/\/www.ccttours.com\/blog\/?p=1241"},"modified":"2011-04-01T16:02:49","modified_gmt":"2011-04-01T08:02:49","slug":"sc%ef%bc%9a%e6%80%bb%e7%ba%bf%e3%80%81%e8%8a%82%e7%82%b9%e5%92%8c%e7%bb%84%ef%bc%9a%e6%8a%8a%e4%b8%9c%e8%a5%bf%e8%bf%9e%e8%b5%b7%e6%9d%a5","status":"publish","type":"post","link":"https:\/\/learn.travelchinawith.me\/?p=1241","title":{"rendered":"SC\uff1a\u603b\u7ebf\u3001\u8282\u70b9\u548c\u7ec4\uff1a\u628a\u4e1c\u897f\u8fde\u8d77\u6765"},"content":{"rendered":"<p><strong>\u514d\u8d23\u58f0\u660e<\/strong><\/p>\n<p>\u8fd9\u662f\u975e\u5e38\u56f0\u96be\u7684\u4e00\u7ae0\u3002\u8bf7\u5173\u6389\u7535\u89c6\u5148\u3002 <\/p>\n<p>\u603b\u7ebf\uff08bus\uff09\u548c\u8282\u70b9\uff08node\uff09\u662fSC3\u7684\u65b0\u6982\u5ff5\uff0c\u5e76\u4e14\u6709\u5f88\u591a\u5185\u5bb9\u503c\u5f97\u4e00\u8bf4\u3002\u6211\u5c06\u4f1a\u628a\u91cd\u5fc3\u4ece\u4e86\u89e3\u8db3\u591f\u7684\u4ee3\u7801\u77e5\u8bc6\u8f6c\u5411\u5230\u521b\u4f5c\u7684\u5c42\u9762\u3002\u6211\u7684\u76ee\u6807\u662f\u8ba9\u4f60\u5bf9\u603b\u7ebf\u3001\u8282\u70b9\u548c\u7ec4\uff08group\uff09\u8db3\u591f\u7684\u719f\u6089\uff0c\u53ef\u4ee5\u8ba9\u4f60\u4eec\u7528\u5b83\u4eec\u505a\u4e00\u4e9b\u7b80\u5355\u7684patch\uff0c\u6216\u8005\u8bfb\u61c2\u793a\u8303\u4ee3\u7801\u548c\u5e2e\u52a9\u6587\u6863\u3002 <\/p>\n<p>\u5728\u8fdb\u5165\u8ba8\u8bba\u524d\uff0c\u4e00\u4e2a\u63d0\u9192\uff1a\u4e0b\u8fb9\u7684\u4ee3\u7801\u5bf9\u8bb0\u5fc6\u5408\u6210\u5668\u5b9a\u4e49\u7684\u7ed3\u6784\u5f88\u6709\u5e2e\u52a9\uff0c\u5b83\u540c\u6837\u53ef\u4ee5\u7528\u4e8e\u5b66\u4e60\u3001\u590d\u4e60\u603b\u7ebf\u5206\u914d\u3002<br \/>\n<!--more--><\/p>\n<p>&#8211;<br \/>\n<strong>18.1. \u6d4f\u89c8\u5408\u6210\u5668\u5b9a\u4e49<\/strong> <\/p>\n<pre class=\"brush:jfx\">( \r\nSynthDescLib.global.read; \r\nSynthDescLib.global.browse; \r\n)<\/pre>\n<h3>\u5408\u6210\u5668\u5b9a\u4e49<\/h3>\n<p>\u521b\u5efa\u5408\u6210\u5668\u5b9a\u4e49\u5c31\u50cf\u5efa\u7acb\u4e00\u4e2a\u5c0f\u5408\u6210\u5668\uff1a\u5236\u9020\u58f0\u97f3\u7684\u865a\u62df\u91d1\u5c5e\u76d2\u5b50\u3002\u5c31\u50cf\u771f\u7684\u786c\u4ef6\u4e2d\u7684\u67b6\u7ebf\uff0c\u4e00\u65e6\u4f20\u9001\u5230\u670d\u52a1\u5668\uff0c\u4fbf\u4e0d\u80fd\u88ab\u66f4\u6539\u3002\u770b\u4e0b\u8fb9\u7684\u4f8b\u5b50\u3002\u5b83\u5c06\u4e00\u76f4\u7528<em>LFNoise<\/em>\u4f5c\u4e3a\u9891\u7387\u63a7\u5236\uff0c\u5f15\u6570\u4e5f\u5c06\u6c38\u8fdc\u662f10, 15, 400, \u548c800\u3002\u8fd9\u5c31\u50cf\u4e00\u4e2a\u6211\u4eec\u5236\u4f5c\u7684\u5728\u5c01\u95ed\u7684\u76d2\u5b50\u91cc\u6ca1\u6709\u63a7\u5236\u4e0e\u8f93\u5165\u7684\u5408\u6210\u5668\u4e00\u6837\u3002\u6211\u4eec\u53ef\u4ee5\u91cd\u505a\u4ee3\u7801\uff0c\u7136\u540e\u5b83\u5c31\u4f1a\u662f\u4e00\u4e2a\u4e0d\u540c\u7684\u5408\u6210\u5668\u3002 <\/p>\n<p><strong>18.2. \u7b2c\u4e00\u4e2aPatch (play, SinOsc, LFNoise0, .ar) <\/strong><\/p>\n<pre class=\"brush:jfx\">{SinOsc.ar(LFNoise0.ar([10, 15], 400, 800), 0, 0.3)}.play<\/pre>\n<p>\u50cf\u4e0b\u4f8b\u8fd9\u6837\uff0c\u901a\u8fc7\u7528\u5f15\u6570\u66ff\u4ee3\u56fa\u5b9a\u503c\uff0c\u5e76\u4f7f\u7528<em>set<\/em>\u6539\u53d8\u90a3\u4e9b\u503c\uff0c\u6211\u4eec\u53ef\u4ee5\u83b7\u5f97\u66f4\u5927\u7684\u7075\u6d3b\u6027\u3002\u73b0\u5728\uff0c\u5728\u6211\u4eec\u7684\u865a\u62df\u76d2\u5b50\u4e0a\uff0c\u81f3\u5c11\u6709\u4e86\u53ef\u4ee5\u6539\u53d8\u53c2\u6570\u7684\u65cb\u94ae\u4e86\u3002 <\/p>\n<p><strong>18.3. \u7b2c\u4e00\u4e2a\u5408\u6210\u5668\u5b9a\u4e49 <\/strong><\/p>\n<pre class=\"brush:jfx\">\/\/SynthDef (\u547d\u540d\u5b83) \u548c\u5f15\u6570 \r\n( \r\nSynthDef(\"RandSine\", \r\n{ \r\narg rate = 9, scale = 300, offset = 600, pan = 0, out; \r\nout = Pan2.ar(SinOsc.ar(LFNoise0.ar(rate, scale, offset), mul: 0.3), pan); \r\nDetectSilence.ar(out, doneAction:2); \r\nOut.ar(0, out) \r\n}).load(s) \r\n) \r\n\r\n\/\/ \u5355\u72ec\u8fd0\u884c\u4e0b\u5217\u8bf8\u884c \r\na = Synth(\"RandSine\", [\\pan, -1, \\rate, 8]); \r\nb = Synth(\"RandSine\", [\\pan, 1, \\rate, 13]); \r\nb.set(\\offset, 2000); \r\na.set(\\rate, 20); \r\nb.set(\\rate, 6); \r\na.set(\\scale, 550);<\/pre>\n<p>\u4f46\u5185\u90e8\u7684\u67b6\u7ebf\uff0c<em>RandSine<\/em>\u7684\u6d41\u7a0b\u56fe\u4ecd\u5c06\u662f\u4e00\u6837\u7684\u3002\u5b83\u5c06\u6c38\u8fdc\u7528<em>LFNoise<\/em>\u4f5c\u4e3a\u4e00\u4e2a\u63a7\u5236\u3002 <\/p>\n<p>\u8981\u6539\u53d8\u63a7\u5236\u6e90\u4e3a\u5176\u4ed6\u4e1c\u897f\uff0c<em>LFNoise1<\/em>\uff0c\u97f3\u5e8f\u5668\uff0c\u6216S&#038;H\uff0c\u6211\u4eec\u5e94\u8be5\u7528\u90a3\u4e9b\u63a7\u5236\u91cd\u5199patch\uff1a\u65b0\u5efa\u4e00\u4e2a\u76d2\u5b50\uff0c\u8ba9\u6211\u4eec\u59d1\u4e14\u8fd9\u4e48\u8bf4\u3002\u8fd9\u662fSC2\u7684\u5c40\u9650\u4e4b\u4e00\u3002\u6a21\u5757\u5316\u7684\u5f15\u5165\u5c06\u66f4\u9ad8\u6548\uff0c\u5373\u4ece<em>SinOsc<\/em>\u4e2d\u5efa\u7acb<em>LFNoise0, LFNoise1<\/em>, \u4ee5\u53ca S&#038;H \u4e3a\u5355\u72ec\u7684patch\uff0c\u7136\u540e\u5c06\u6211\u4eec\u76f8\u7528\u7684\u4efb\u610f\u4e00\u4e2a\u63d2\u5165<em>SinOsc<\/em>\u3002SC3\u7684\u7ed3\u6784\u662f\u9075\u5faa\u8fd9\u4e00\u8003\u91cf\u800c\u8bbe\u8ba1\u7684\u3002\u8fd9\u5141\u8bb8\u4f60\u4e00\u6b21\u8fd0\u884c\u82e5\u5e72\u4e2apatch\uff0c\u751a\u81f3\u662f\u8fd0\u884c\u540c\u6837\u7684patch\u82e5\u5e72\u6b21\uff0c\u5e76\u4e14\u5b83\u5141\u8bb8\u4f60\u4f7f\u7528\u603b\u7ebf\u5c06\u8fd9\u4e9bpatch\u8fde\u63a5\u5728\u4e00\u8d77\u3002 <\/p>\n<p>\u6240\u6709\u7684patch\u90fd\u5177\u5907\u8f93\u5165\u4e0e\u8f93\u51fa\u3002<em>LFNoise0<\/em>\u6709\u4e00\u4e2a\u8f93\u51fa\uff0c<em>SinOsc<\/em>\u5c06\u8fd9\u4e2a\u8f93\u51fa\u4f5c\u4e3a\u81ea\u5df1\u7684\u8f93\u5165\u3002\u6211\u5bf9\u4e00\u4e2a\u8f93\u51fa\u4f7f\u7528\u8fc7\u4f20\u9001\u3001\u63a7\u5236\u3001\u6e90\u4ee5\u53ca\u8c03\u5236\uff0c\u5bf9\u4e00\u4e2a\u8f93\u5165\u4f7f\u7528\u8fc7\u63a5\u53d7\u3001\u6ee4\u6ce2\u548c\u8f7d\u4f53\u3002\u4f46\u4e0d\u7ba1\u4f60\u5982\u4f55\u4f7f\u7528\u5b83\uff0c\u603b\u6709\u4ece\u4e00\u4e2a\u88c5\u7f6e\u5f97\u5230\u7684\u8f93\u51fa\u4ee5\u53ca\u5bf9\u53e6\u4e00\u4e2a\u6765\u8bf4\u7684\u8f93\u5165\u3002\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u662f\u4f7f\u7528\u5d4c\u5957\u7684\u65b9\u5f0f\u5c06\u5b83\u4eec\u8054\u7cfb\u5728\u4e00\u8d77\u3002\u73b0\u5728\uff0c\u6211\u4eec\u5c06\u5b66\u4e60\u5982\u4f55\u7528\u603b\u7ebf\u6765\u505a\u8fd9\u4e2a\u4e8b\u3002 <\/p>\n<p>\u5728\u6df7\u97f3\u5668\uff08mixer\uff09\u4e2d\uff0c\u603b\u7ebf\u662f\u5f88\u666e\u901a\u7684\uff0c\u5b83\u4eec\u88ab\u7528\u4e8e\u5c06\u4fe1\u53f7\u6309\u7279\u5b9a\u7684\u7ebf\u8def\u4f20\u9012\u3002\u5b83\u4eec\u5e38\u4e0d\u4ee5\u4efb\u4f55\u65b9\u5f0f\u6539\u53d8\u4fe1\u53f7\uff0c\u5b83\u4eec\u4ec5\u4ec5\u662f\u8def\u7531\uff08route\uff09\u5b83\u3002\u5b83\u4eec\u50cf\u57ce\u5e02\u7a7f\u68ad\u5df4\u58eb\u3002\u4e00\u4e2a\u5de5\u4eba\u767b\u4e0a\u4e00\u8f86\u5df4\u58eb\uff0c\u800c\u540e\u4e24\u4e09\u4e2a\u5de5\u4eba\u52a0\u5165\u8fd9\u6761\u7ebf\u8def\u6700\u540e\u5230\u8fbe\u5404\u81ea\u7684\u76ee\u7684\u5730\u3002\u5b83\u4eec\u53ef\u4ee5\u5168\u90e8\u5728\u4e00\u4e2a\u5730\u65b9\u4e0b\u8f66\uff0c\u6216\u5206\u522b\u5728\u4e0d\u540c\u7684\u5730\u65b9\u4e0b\u8f66\u3002\u5f88\u591a\u6761\u7ebf\u8def\u7684\u5df4\u58eb\u53ef\u4ee5\u5e26\u4eba\u4eec\u5230\u4e0d\u540c\u7684\u5de5\u5382\u3002\u5bf9\u4e8e\u4fe1\u53f7\uff0c\u6211\u4eec\u53ef\u4ee5\u505a\u540c\u6837\u7684\u4e8b\u60c5\u3002\u4e00\u4e2aUGen\u7684\u8f93\u51fa\u5c06\u662f\u4eba\u7fa4\uff0c\u76ee\u7684\u5730\u53ef\u80fd\u662f\u4e00\u4e2a\u6df7\u54cd\u90e8\u4ef6\u3002 <\/p>\n<p>\u6709\u5b66\u751f\u66fe\u95ee\u6211\uff0c\u5728\u5c06\u4fe1\u53f7\u8def\u7531\u5230\u4e00\u6761\u603b\u7ebf\u540e\uff0c\u5b83\u53bb\u54ea\u4e86\u3002\u7b54\u6848\u662f\u54ea\u4e5f\u6ca1\u53bb\u3002\u5b83\u4eec\u5e76\u975e\u771f\u7684\u53bb\u4e86\u54ea\u4e2a\u7279\u5b9a\u7684\u5730\u65b9\u3002\u5b83\u4eec\u4ec5\u662fpatch\u70b9\u6216\u8fde\u7ebf\uff0c\u50cf\u57ce\u5e02\u7a7f\u68ad\u5df4\u58eb\u4e00\u6837\uff0c\u8ba4\u8bc6\u5230\u5b83\u4eec\u662f\u7531\u4f60\u5b9a\u4e49\u7684\u8fd9\u70b9\u662f\u5f88\u91cd\u8981\u7684\uff1a\u8c01\u4e0a\u8f66\u4ee5\u53ca\u4ed6\u4eec\u53bb\u54ea\u3002<\/p>\n<h3>\u97f3\u9891\u53ca\u63a7\u5236\u603b\u7ebf<\/h3>\n<p>\u5728SC\u4e2d\uff0c\u6709\u4e24\u7c7b\u603b\u7ebf\uff1a\u97f3\u9891\u7c7b\u548c\u63a7\u5236\u7c7b\u3002\u5728\u65e9\u524d\u7684\u4f8b\u5b50\u4e2d\uff0cscope\u7a97\u53e3\u663e\u793a\u4e8612\u6761\u6b63\u5f26\u6ce2\u3002\u5b83\u4eec\u572812\u6761\u603b\u7ebf\u4e0a\u6f14\u594f\u3002\u6211\u4eec\u80fd\u542c\u5230\u6700\u4e0a\u8fb9\u7684\u4e24\u6761\uff0c\u56e0\u4e3a\u5b83\u4eec\u88ab\u8def\u7531\u5230\u4e86\u7535\u8111\u7684\u8f93\u51fa\u4e0a\u3002\u800c\u5176\u4ed6\u7684\uff0c\u5219\u8fde\u63a5\u5230\u4e86\u6211\u4eec\u65e0\u6cd5\u542c\u5230\u7684\u8f93\u51fa\u4e0a\u3002 <\/p>\n<p>\u4f7f\u7528<em>Out.ar<\/em>\u548c<em>In.ar<\/em>\u505a\u97f3\u9891\u603b\u7ebf\u4ea4\u4e92\u8fde\u63a5\u3002\u63a7\u5236\u603b\u7ebf\u4f7f\u7528<em>Out.kr<\/em>\u548c<em>In.kr<\/em>\u3002\u5171\u6709128\u6761\u97f3\u9891\u603b\u7ebf\u548c4096\u6761\u63a7\u5236\u603b\u7ebf\u3002\u5982\u679c\u4f60\u4e60\u60ef\u4e8e\u7ecf\u5178\u5de5\u4f5c\u5ba4\uff0c\u4f60\u53ef\u4ee5\u60f3\u8c61\u4e00\u4e2a\u6709128\u4e2a\u63d2\u53e3\u7684\u63d2\u7ebf\u677f\uff08\u6216\u96c6\u7ebf\u5668\uff09\u3002\u63d2\u7ebf\u677f\u7684\u4e00\u7aef\u6807\u6ce8\u201cIn.ar\u201d\uff0c\u53e6\u4e00\u7aef\u6807\u6ce8\u201cOut.ar\u201d\uff0c\u800c\u53e6\u5916\u4e00\u5757\u63d2\u7ebf\u677f\u5219\u67094096\u4e2a\u63d2\u53e3\u3002\u5b83\u4eec\u8fde\u63a5\u7684\u662f\u4ec0\u4e48\uff1f\u76ee\u524d\u8fd8\u6ca1\u6709\uff0c\u9664\u4e86\uff1a\u5728\u7edd\u5927\u591a\u6570\u7684\u7cfb\u7edf\u5185\uff0c\u97f3\u9891\u6bcd\u7ebf0\u548c1\u901a\u5e38\u662f\u88ab\u8def\u7531\u5230\u4f60\u786c\u4ef6\uff08\u7535\u8111\u97f3\u9891\u8f93\u51fa\uff09\u7684\u5de6\u53f3\u901a\u9053\u3002\u53ef\u4ee5\u7528<em>{Out.ar(0, SinOsc.ar)}.play<\/em>\u548c<em>{Out.ar(1, SinOsc.ar)}.play<\/em>\u6765\u8bc1\u5b9e\u8fd9\u4e00\u70b9\u3002\u540c\u6837\u5730\uff0c2\u548c3\u9ed8\u8ba4\u662f\u8fde\u63a5\u5230\u786c\u4ef6\u7684\u8f93\u5165\u3002\u8fd0\u884c<em>{In.ar([2, 3])}.play<\/em>\u8bc1\u5b9e\u8fd9\u4e00\u70b9\uff08\u4f7f\u7528\u8033\u673a\u4ee5\u907f\u514d\u53cd\u9988\uff09\u3002\u5982\u679c\u5c1d\u8bd5<em>{In.ar(0)}.play<\/em>\uff0c\u4f60\u5c06\u542c\u5230\u4f60\u7684\u626c\u58f0\u5668\u3002\u540c\u6837\uff0c<em>{Out.ar(2)}.play<\/em>\u5c06\u5411\u4f60\u7684\u5185\u7f6e\u9ea6\u514b\u4f20\u9012\u4fe1\u53f7\u3002\u5982\u679c\u4f60\u505a{\u4efb\u4f55\u4e8b}.play\uff0c\u5c06\u81ea\u52a8\u8def\u7531\u5230\u8f93\u51fa0\u548c1.\u56e0\u6b64\uff0c<em>{In.ar([2, 3]}.play<\/em>\u4e0e<em>{Out.ar([0, 1], In.ar([2, 3])}.play<\/em>\u662f\u76f8\u540c\u7684\u3002 <\/p>\n<p>\u63a7\u5236\u603b\u7ebf\u6ca1\u6709\u9ed8\u8ba4\u8fde\u63a5\u3002 <\/p>\n<p>\u4e3a\u8bf4\u660e\u63a7\u5236\u548c\u97f3\u9891\u603b\u7ebf\uff0c\u8fd0\u884c\u4e0b\u8fb9\u7684\u4ee3\u7801\u3002\u8bb0\u4f4f\u4e00\u4e2a\u6570\u7ec4\u5c06\u6269\u5f20\u5230\u4e0e\u5176\u5143\u7d20\u6570\u91cf\u540c\u6837\u591a\u7684\u901a\u9053\uff0c\u8fd9\u70b9\u53ef\u4ee5\u5728scope\u7a97\u53e3\u5185\u88ab\u8bc1\u660e\u3002\u6211\u4eec\u4ec5\u80fd\u542c\u5230\u524d\u4e24\u4e2a\u901a\u9053\uff08\u9664\u975e\u4f60\u6709\u4e00\u4e2a\u591a\u901a\u9053\u63a5\u53e3\uff09\u3002\u6211\u4eec\u542c\u4e0d\u5230\u4efb\u4f55\u63a7\u5236\u603b\u7ebf\u3002\u6ce8\u610f\uff0c\u63a7\u5236scope\u662f\u84dd\u8272\u7684\uff0c\u97f3\u9891scope\u662f\u9ec4\u8272\u7684\u3002 <\/p>\n<p><strong>18.4. \u97f3\u9891\u548c\u63a7\u5236\u603b\u7ebf<\/strong> <\/p>\n<pre class=\"brush:jfx\">( \r\n{ \r\n   [ \r\n      SinOsc.ar, \r\n      PinkNoise.ar, \r\n      LFNoise1.ar, \r\n      LFNoise0.ar, \r\n      LFTri.ar, \r\n      WhiteNoise.ar \r\n   ]*0.4 \r\n}.scope \r\n)<\/pre>\n<pre class=\"brush:jfx\">\/\/ \u63a7\u5236\u603b\u7ebf \r\n( \r\n{ \r\n   [ \r\n      SinOsc.kr(100), \r\n      Dust.kr(50), \r\n      Impulse.kr(78), \r\n      LFNoise0.kr(100), \r\n      LFNoise1.kr(100), \r\n      WhiteNoise.kr \r\n   ]*0.4 \r\n}.scope(zoom: 10) \r\n)<\/pre>\n<p>\u4ee5\u4e0b\u662f\u5c06\u7b2c\u4e00\u4e2apatch\u5206\u89e3\u4e3a\u4e24\u4e2a\u90e8\u4ef6\u7684\u5c55\u793a\u3002<em>SinOsc<\/em>\u548c<em>LFNoise0<\/em>\u3002<em>Out<\/em>\u5bf9\u8c61\u8868\u660e\u4fe1\u53f7\u8def\u7531\u5230\u7684\u603b\u7ebf\uff0c\u7b2c\u4e00\u4e2a\u5f15\u6570\u662f\u603b\u7ebf\u7f16\u53f7\u3002\u4f60\u53ef\u4ee5\u8f93\u5165\u4e00\u4e2a\u6570\u5b57\u5f97\u5230\u5355\u58f0\u9053\u4fe1\u53f7\uff0c\u6216\u4e00\u4e2a\u6570\u7ec4\u505a\u7acb\u4f53\u58f0\u3002\u4f46\u5373\u4f7f\u4f60\u5e76\u672a\u8f93\u5165\u4e00\u4e2a\u6570\u7ec4\uff0c\u6b63\u786e\u7684\u603b\u7ebf\u7f16\u53f7\u4e5f\u5c06\u88ab\u81ea\u52a8\u5206\u914d\u3002\u5982\u679cpatch\u662f\u4e00\u4e2a\u7acb\u4f53\u58f0\u4fe1\u53f7\uff08\u6bd4\u5982\uff0c\u4f7f\u7528\u591a\u901a\u9053\u6269\u5c55\uff09\uff0c<em>Out<\/em>\u603b\u7ebf\u7f16\u53f7\u662f0\uff0c\u90a3\u4e48\u5b9e\u9645\u4e0a\u5b83\u5c06\u4f7f\u75280\u548c1\u3002\u5982\u679c\u4fe1\u53f7\u662f\u56db\u901a\u9053\u7684\uff0c\u603b\u7ebf\u8f93\u51fa\u662f4\uff0c\u90a3\u4e48\u5b83\u5c06\u4f7f\u75284\uff0c5\uff0c6\uff0c7\u3002\u786e\u4fdd\u5b83\u4eec\u503c\u95f4\u6ca1\u6709\u51b2\u7a81\u5c31\u662f\u4f60\u7684\u8d23\u4efb\u4e86\u3002 <\/p>\n<p><em>LFNoise0<\/em>\u6a21\u5757\u88ab\u9001\u81f3\u63a7\u5236\u603b\u7ebf9\uff08\u8bb0\u4f4f\u603b\u7ebf\u5206\u97f3\u9891\u548c\u63a7\u5236\uff0c<em>.kr<\/em>\u65b9\u6cd5\u5c06\u4f7f\u7528\u63a7\u5236\u603b\u7ebf\uff09\u3002\u6211\u628a\u6709<em>mul<\/em>\u548c<em>add<\/em>\u7684patch\u5199\u5728<em>LFNoise0<\/em>\u4e4b\u5916\uff0c\u56e0\u6b64\u5b83\u5c06\u5728scope\u4e0a\u663e\u793a\u3002 <\/p>\n<p>\u5728\u7b2c\u4e09\u4f8b\u4e2d\uff0c\u5f53\u6211\u9694\u79bb<em>LFNoise<\/em>\u540e\uff0c\u4f60\u5728\u4e24\u4e2a\u901a\u9053\u5185\u540c\u65f6\u542c\u5230\u5b83\uff0c\u4f46\u4ec5\u662f\u4e00\u7cfb\u5217\u7684\u7206\u88c2\u58f0\u3002\u5f53<em>SinOsc<\/em>\u79fb\u52a8\u5230\u603b\u7ebf5\uff0c\u4f60\u5c06\u542c\u4e0d\u5230\u5b83\uff0c\u4f46\u53ef\u4ee5\u5728scope\u4e0a\u770b\u5230\u5b83\u3002\u5728\u6700\u540e\u4e00\u4f8b\u4e2d\uff0c\u4f60\u4ecd\u7136\u542c\u4e0d\u5230\u58f0\u97f3\uff0c\u56e0\u4e3a\u63a7\u5236\u603b\u7ebf9\u5e76\u672a\u8fde\u63a5\u4e00\u4e2a\u97f3\u9891\u8f93\u51fa\u3002\u4e3a\u4ec0\u4e48\u662f\u603b\u7ebf5\u548c9\u5462\uff1f\u4e3a\u8bf4\u660e\u603b\u7ebf\u662f\u4efb\u610f\u7684\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4f60\u60f3\u8981\u7684\u4efb\u610f\u603b\u7ebf\uff0c\u53ea\u8981\u4f60\u5c06\u91cd\u70b9\u8fde\u63a5\u5230\u76f8\u540c\u7684\u603b\u7ebf\u7f16\u53f7\u4e0a\u3002 <\/p>\n<p><strong>18.5. \u5206\u914d\u603b\u7ebf<\/strong> <\/p>\n<pre class=\"brush:jfx\">\/\/\u6574\u4e2apatch \r\n{SinOsc.ar(LFNoise0.kr([10, 15]) * 400 + 800, 0, 0.3)}.scope<\/pre>\n<pre class=\"brush:jfx\">\/\/\u4ec5\u4ec5\u662fSinOsc \r\n{SinOsc.ar(800, 0, 0.3)}.scope<\/pre>\n<pre class=\"brush:jfx\">\/\/\u4ec5\u4ec5\u662fLFNoise0 \r\n{LFNoise0.ar([10, 15])}.scope<\/pre>\n<pre class=\"brush:jfx\">\/\/\u4ec5\u4ec5\u662fSine\u9644\u5230\u97f3\u9891\u8f93\u51fa0 \r\n{Out.ar(0, SinOsc.ar(800, 0, 0.3))}.scope;<\/pre>\n<pre class=\"brush:jfx\">\/\/\u4ec5\u4ec5\u662fSine\u9644\u5230\u97f3\u9891\u8f93\u51fa5 \r\n{Out.ar(5, SinOsc.ar(800, 0, 0.3))}.scope(16);<\/pre>\n<pre class=\"brush:jfx\">\/\/\u4ec5\u4ec5\u662fLFNoise def \r\n{Out.kr(9, LFNoise0.kr([10, 15], 1, 0))}.scope(16, zoom: 10)<\/pre>\n<p>\u73b0\u5728\uff0c\u4e24\u4e2a\u5408\u6210\u5668\u540c\u65f6\u5728\u8dd1\u3002\u4e00\u4e2a\u57285\u53f7\u53e3\u4ea7\u751f\u97f3\u9891\uff0c\u53e6\u4e00\u4e2a\u57289\u53f7\u63a7\u5236\u53e3\u4ea7\u751f\u4e00\u4e2a\u63a7\u5236\u7387\u4fe1\u53f7\uff0c\u7b49\u5f85\u6211\u4eec\u544a\u8bc9\u5b83\u52a8\u8eab\u53bb\u5f80\u4f55\u5904\u3002\u73b0\u5728\u6211\u4eec\u9700\u8981\u5b83\u53bb<em>SinOsc<\/em>\u5de5\u5382\u3002\u8981\u8ba9\u5b83\u5230\u54ea\u91cc\uff0c\u6211\u4eec\u4f7f\u7528<em>In.kr<\/em>\uff08\u4e0d\u662f<em>In.ar<\/em>\uff0c\u8fd9\u5c06\u8ba9\u5b83\u8fde\u63a5\u5230\u97f3\u9891\u603b\u7ebf\u4e0a\uff09\u3002\u4e0b\u4f8b\u4e2d\uff0c<em>In.kr<\/em>\u7684\u7b2c\u4e00\u5f15\u6570\u4e3a\u603b\u7ebf\u7f16\u53f7\uff089\uff09\uff0c\u7b2c\u4e8c\u5f15\u6570\u4e3a\u901a\u9053\u6570\uff082\uff09\u3002\u4e3a\u4ec0\u4e48\u662f9\uff1f\u56e0\u4e3a\u90a3\u65f6<em>LFNoise<\/em>\u8fde\u63a5\u7684\u5730\u65b9\u3002\u6bd4\u65b9\u8bf4\uff0c\u5b83\u642d\u4e58\u7684\u5df4\u58eb\u3002\u4e3a\u4ec0\u4e48\u662f\u4e24\u4e2a\u901a\u9053\uff1f\u56e0\u4e3a<em>LFNoise<\/em>\u662f\u7acb\u4f53\u58f0\u4fe1\u53f7\uff08\u9891\u7387\u5f15\u6570\u662f\u6570\u7ec4\uff09\uff0c\u6240\u4ee5\u5b83\u4f7f\u75289\u548c10\u3002<em>In.kr<\/em>\u4ece\u63a7\u5236\u603b\u7ebf9\u548c10\u8bfb\u53d6\uff0c\u8fd9\u662f<em>LFNoise0<\/em>\u8fde\u63a5\u5e76\u7528\u4e8e\u4f5c\u4e3a\u4e00\u4e2a\u63a7\u5236\u7684\u5730\u65b9\u3002SinOsc\u968f\u540e\u64ad\u653e\u5230\u97f3\u9891\u603b\u7ebf0\u548c1\uff0c\u56e0\u4e3a\u73b0\u5728\u5b83\u4e5f\u662f\u4e00\u4e2a\u7acb\u4f53\u58f0\u4fe1\u53f7\u4e86\u3002 <\/p>\n<p>\u5982\u679c\u4f60\u8fd8\u6ca1\u6709\u8fd9\u4e48\u505a\uff0c\u6309\u4e0bcmd+. \u505c\u6b62\u4e00\u5207\u8fdb\u7a0b\u3002 <\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u98a0\u5012\u4e86\u6570\u5e8f\uff0c\u56e0\u6b64\u4f60\u53ef\u4ee5\u5148\u5f00\u542fLFNoise0\u3002\u89c2\u5bdf\u670d\u52a1\u5668\u4e0aCPU\u5360\u7528\u7684\u589e\u52a0\uff0c\u4e00\u4e2a\u7531\u5927\u7ea65\u4e2aUGen\u7ec4\u6210\u7684\u5408\u6210\u5668\u88ab\u521b\u5efa\uff0c\u5c3d\u7ba1\u6211\u4eec\u8fd8\u65e0\u6cd5\u542c\u5230\u5b83\u3002\u800c\u540e\u8fd0\u884c<em>SinOsc<\/em>\u542c\u4e24\u4e2apatch\u540c\u65f6\u8fd0\u884c\u3002\u7136\u540e\u53cd\u8fc7\u6765\uff0c\u5148\u8fd0\u884c<em>SinOsc<\/em>\uff0c\u800c\u540e\u518d\u5f00\u542fLFNoise\u3002 <\/p>\n<p><strong>18.6. \u7528\u603b\u7ebf\u5c06patch\u4e32\u8d77\u6765<\/strong> <\/p>\n<pre class=\"brush:jfx\">{Out.kr(20, LFNoise0.kr([8, 11], 500, 1000))}.scope<\/pre>\n<pre class=\"brush:jfx\">{Out.ar(0, SinOsc.ar(In.kr(20, 2), 0, 0.3))}.scope<\/pre>\n<p>\u4e0b\u4e00\u6b65\u662f\u4e3a\u603b\u7ebf\u7f16\u53f7\u8bbe\u7f6e\u4e00\u4e2a\u5f15\u6570\uff0c\u7136\u540e\u6211\u4eec\u4fbf\u53ef\u5b9e\u65f6\u6539\u53d8\u5b83\u4e86\u3002\u4e3a\u4ec0\u4e48\u8981\u5728\u5408\u6210\u5668\u8fd0\u884c\u65f6\u6539\u53d8\u603b\u7ebf\u7f16\u53f7\uff1f\u4e3a\u4e86\u5c06\u5b83\u8fde\u5230\u4e00\u4e2a\u4e0d\u540c\u7684\u63a7\u5236\u4e0a\uff0c\u6211\u5df2\u628a\u5b83\u6dfb\u52a0\u5982\u4e0b\uff0c\u5206\u914d\u5230\u4e0d\u540c\u7684\u603b\u7ebf\u4e0a\u3002\u4f60\u540c\u6837\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u5f15\u6570\u5206\u914d\u63a7\u5236\u603b\u7ebf\u3002\u4f46\u5728\u672c\u4f8b\u4e2d\u8fd8\u4e0d\u5fc5\u8981\u8fd9\u4e48\u505a\u3002\u4f60\u53ef\u4ee5\u5728\u5706\u62ec\u53f7\u5185\u4e00\u6b21\u5b9a\u4e49\u5168\u90e8\u5408\u6210\u5668\u3002\u5f53\u5b83\u4eec\u8fd0\u884c\u65f6\uff0c\u6ce8\u610f\u670d\u52a1\u5668\u7a97\u53e3\u663e\u793a\u5408\u6210\u5668\uff1a4\u4e2a\u5de6\u53f3\u7684UGen\u3002\u6211\u4eec\u4ec5\u542c\u5230\u5176\u4e2d\u4e4b\u4e00\uff1a\u6ca1\u6709\u63a7\u5236\u7684\u6b63\u5f26\u6ce2\u3002\u53e6\u5916\u4e24\u4e2a\u5219\u5728\u63a7\u5236\u603b\u7ebf\u4e0a\uff0c\u6211\u4eec\u542c\u4e0d\u5230\u3002\u8fd0\u884c\u6bcf\u4e2a<em>a.set<\/em>\u4e3a<em>PatchableSine<\/em>\u7684<em>In<\/em>\u8f93\u5165\u5206\u914d\u4e00\u4e2a\u65b0\u7684\u603b\u7ebf\u7f16\u53f7\uff0c\u56e0\u6b64\uff0c\u8fde\u63a5\u4efb\u610f\u4e00\u4e2a\u5408\u6210\u5668\u63a7\u5236\u5373\u8fde\u63a5\u5230\u5b83\u7684\u603b\u7ebf\u5e76\u6539\u53d8\u9891\u7387\u7684\u63a7\u5236\u3002 <\/p>\n<p><strong>18.7. \u52a8\u6001\u603b\u7ebf\u63a7\u5236\u7684patch <\/strong><\/p>\n<pre class=\"brush:jfx\">(\r\n\/\/\u5f00\u542f\u5168\u90e8\u5408\u6210\u5668 \r\nSynthDef(\"LFN0Control\", \r\n   {Out.kr(20, LFNoise0.kr([8, 11], 500, 1000))}).play(s); \r\n\r\nSynthDef(\"SineControl\", \r\n   {Out.kr(22, SinOsc.kr([3, 3.124], mul: 500, add: 1000))}).play(s); \r\n\r\nSynthDef(\"MouseControl\", \r\n   {Out.kr(24, MouseX.kr([100, 200], 1000))}).play(s); \r\n\r\na = SynthDef(\"PatchableSine\", {arg busInNum = 0; \r\n   Out.ar(0, SinOsc.ar(In.kr(busInNum, 2), 0, 0.3))}).play(s); \r\n) \r\n\r\na.set(\\busInNum, 20); \/\/\u8bbe\u7f6e\u5230LFNoise0 \r\na.set(\\busInNum, 22); \/\/\u8bbe\u7f6e\u5230SineControl \r\na.set(\\busInNum, 24); \/\/\u8bbe\u7f6e\u5230MouseControl<\/pre>\n<p>\u4e3a\u4ec0\u4e48\u63a7\u5236\u603b\u7ebf\u8981\u7f16\u53f720\uff0c22\uff0c24\uff1f\u8bd5\u7740\u4f7f\u752820\uff0c21\uff0c22\u770b\u770b\u4f1a\u53d1\u751f\u4ec0\u4e48\u3002 <\/p>\n<p>\u8ba9\u4e09\u4e2a\u63a7\u5236\u4e00\u6b21\u6027\u540c\u65f6\u8dd1\u662f\u4f4e\u6548\u7684\uff0c\u56e0\u6b64\u8fd9\u6837\u4e5f\u6ca1\u95ee\u9898\uff1a <\/p>\n<p><strong>18.8. \u7528\u603b\u7ebf\u3001\u52a8\u6001\u63a7\u5236\u6e90\u8fde\u63a5\u5408\u6210\u5668<\/strong> <\/p>\n<pre class=\"brush:jfx\">a = Synth(\"PatchableSine\", [\\busInNum, 20]); b = Synth(\"LFN0Control\"); \r\n\r\nb.free; b = Synth(\"SineControl\"); a.set(\\busInNum, 22); \r\nb.free; b = Synth(\"MouseControl\"); a.set(\\busInNum, 24);<\/pre>\n<p>\u628a\u82e5\u5e72\u63a7\u5236\u8fde\u5165\u4e00\u4e2a\u5355\u72ec\u7684\u603b\u7ebf\uff0c\u6216\u7528\u4e00\u4e2a\u603b\u7ebf\u63a7\u5236\u82e5\u5e72\u5408\u6210\u5668\u662f\u53ef\u80fd\u7684\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4f7f\u7528<em>Out.kr(0)<\/em>\u4ee5\u8bf4\u660e\u5b83\u4e0e<em>Out.ar(0)<\/em>\u662f\u5206\u5f00\u7684\u3002\u6ce8\u610f\uff0c\u6240\u6709\u63a7\u5236\u90fd\u8fde\u5728\u603b\u7ebf0\u4e0a\uff0c\u56e0\u6b64\u5b83\u4eec\u90fd\u63a7\u5236\u7740\u63a5\u6536\u8005\u3002\u5728\u7b2c\u4e8c\u4f8b\u4e2d\uff0c\u6240\u6709\u63a5\u6536\u8005\u90fd\u8fde\u5728\u4e00\u4e9b\u4efb\u610f\u603b\u7ebf\u4e0a\uff0c\u56e0\u6b64\u5b83\u4eec\u90fd\u88ab\u90a3\u4e2a\u5408\u6210\u5668\u63a7\u5236\u7740\uff08\u542c\u8d77\u6765\u53ef\u80fd\u50cf\u4e00\u4e2a\u5408\u6210\u5668\uff0c\u6240\u4ee5\u5148\u542c\u5de6\u8033\u585e\u7136\u540e\u518d\u542c\u542c\u53f3\u8033\u585e\u3002\uff09\u3002 <\/p>\n<p><strong>18.9. \u5728\u4e00\u6761\u603b\u7ebf\u4e0a\u7684\u82e5\u5e72\u63a7\u5236 <\/strong><\/p>\n<pre class=\"brush:jfx\">( \r\nSynthDef(\"SendControl1\", { \r\n   Out.kr(0, SinOsc.ar(0.3, mul: 1000, add: 1100))}).send(s); \r\nSynthDef(\"SendControl2\", {Out.kr(0, LFNoise0.ar(12, 200, 500))}).send(s); \r\nSynthDef(\"Receive\", {Out.ar(0, SinOsc.ar(In.kr(0)))}).send(s); \r\n) \r\n\r\nSynth(\"Receive\"); \r\nSynth(\"SendControl1\"); \r\nSynth(\"SendControl2\"); \r\n\r\n\/\/\u6216\u8005 \r\n\r\nSynth(\"Receive\"); \r\nSynth(\"SendControl2\"); \r\nSynth(\"SendControl1\"); \r\n\r\n\/\/\u6216\u8005 \r\n\r\n( \r\nSynthDef(\"SendControl\", {Out.kr(1275, LFNoise0.ar(12, 200, 500))}).send(s); \r\nSynthDef(\"Receive1\", { \r\n   Out.ar(0, RLPF.ar(PinkNoise.ar, In.kr(1275), 0.05))}).send(s); \r\nSynthDef(\"Receive2\", {Out.ar(1, SinOsc.ar(In.kr(1275)))}).send(s); \r\n) \r\n\r\nSynth(\"Receive1\"); \r\nSynth(\"Receive2\"); \r\nSynth(\"SendControl\"); \r\n\r\n\/\/\u7528command+. \u505c\u6b62\u4e00\u5207\u3002 \u7136\u540e\u8bd5\u7740\u53cd\u8fc7\u6765\u8fd0\u884c\u5b83\u4eec\u3002 \r\n\r\n\/\/ \u6253\u5f00\u6d4f\u89c8\u5668\u68c0\u67e5\u603b\u7ebf\u5206\u914d \r\n\r\n( \r\n\/\/ \u5408\u6210\u5668\u5b9a\u4e49\u6d4f\u89c8\u5668 \r\nSynthDescLib.global.read; \r\nSynthDescLib.global.browse; \r\n)<\/pre>\n<h3>\u8282\u70b9<\/h3>\n<p>\u5b83\u80fd\u8fd0\u4f5c\u4e8e\u4efb\u4f55\u987a\u5e8f\u56e0\u4e3a\u5b83\u662f\u4e00\u4e2a\u63a7\u5236\u603b\u7ebf\uff0c\u5728\u97f3\u9891\u603b\u7ebf\u65b9\u9762\uff0c\u987a\u5e8f\u4e5f\u6ca1\u5173\u7cfb\u3002\u5f53\u4f60\u521b\u5efa\u4e00\u4e2a\u5408\u6210\u5668\uff0cSC\u5c06\u4e4b\u5b58\u50a8\u4e8e\u4e00\u4e2a\u8282\u70b9\u6216\u5b58\u50a8\u5355\u5143\u3002\u6bcf\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5408\u6210\u5668\u4fbf\u4ea7\u751f\u4e00\u4e2a\u65b0\u7684\u8282\u70b9\uff08\u5f53\u4f60\u5f00\u542f\u4e00\u4e2a\u65b0\u7684\u5408\u6210\u5668\uff0c\u4f60\u4f1a\u5728post\u7a97\u53e3\u5185\u770b\u5230\u5b83\u4eec\uff09\u3002\u8282\u70b9\u662f\u5f7c\u6b64\u76f8\u8fde\u7684\u3002\u8ba1\u7b97\u673a\u4e86\u89e3\u987a\u5e8f\uff0c\u5e76\u53ef\u4ee5\u5728\u5217\u8868\u5934\u6216\u5c3e\u6216\u5176\u4ed6\u4efb\u4f55\u5730\u65b9\u589e\u52a0\u4e00\u4e2a\u65b0\u7684\u8282\u70b9\u3002\u8bf7\u6ce8\u610f\u8282\u70b9\u7f16\u53f7\u4e0e\u8282\u70b9\u987a\u5e8f\u662f\u6ca1\u6709\u8054\u7cfb\u7684\u3002\u7f16\u53f7\u4ec5\u4ec5\u662f\u4e00\u4e2a\u5730\u5740\uff0c\u5e76\u4e0d\u5f71\u54cd\u6216\u53c2\u8003\u8282\u70b9\u7684\u987a\u5e8f\u3002\u5728\u76ee\u524d\u6211\u4eec\u6240\u5b8c\u6210\u7684\u4f8b\u5b50\u4e2d\uff0c\u8fd9\u4e2a\u8fde\u63a5\u6d41\u7a0b\u4ecd\u5904\u4e8e\u5e55\u540e\u3002\u4f46\u73b0\u5728\u6211\u4eec\u6b63\u5728\u5c06\u5408\u6210\u5668\u4eec\u8fde\u8d77\u6765\uff0c\u56e0\u6b64\u6211\u4eec\u4e0d\u5f97\u4e0d\u91c7\u53d6\u63a7\u5236\u3002\u6211\u4eec\u5e76\u975e\u5728\u63a2\u8ba8\u5408\u6210\u5668\u4ee5\u4ec0\u4e48\u987a\u5e8f\u4f20\u9012\u5165\u670d\u52a1\u5668\uff0c\u6211\u4eec\u8ba8\u8bba\u7684\u662f\u5b83\u4eec\u88ab\u521b\u5efa\u4ee5\u53ca\u5728\u670d\u52a1\u5668\u751f\u6210\u58f0\u97f3\u7684\u987a\u5e8f\u3002 <\/p>\n<p>\u521b\u5efa\u5982\u4e0b\u4e24\u4e2a\u5408\u6210\u5668\u5b9a\u4e49\u7136\u540e\u8fd0\u884c\u4e0b\u5217\u4f8b\u5b50\u3002\u6ce8\u610f\u5982\u679c\u4f60\u5148\u8fd0\u884c<em>Saw<\/em>\uff0c\u7136\u540e\u6ee4\u6ce2\u5668\uff0c\u5c06\u6ca1\u6709\u58f0\u97f3\u4ea7\u751f\u3002 <\/p>\n<p><strong>18.10. \u8282\u70b9\u987a\u5e8f, \u5934, \u5c3e<\/strong> <\/p>\n<pre class=\"brush:jfx\">( \r\n\/\/\u5b9a\u4e49\u7684\u987a\u5e8f\u65e0\u5173\u7d27\u8981 \r\nSynthDef(\"Saw\", { arg filterBus = 16; \r\n   Out.ar(filterBus, LFSaw.ar([60, 90])) \r\n}).send(s); \r\n\r\nSynthDef(\"Filter\", {arg filterBus = 16; \r\n   Out.ar(0, RLPF.ar(In.ar(filterBus, 2), LFNoise0.kr(12, 300, 350), 0.2)) \r\n}).send(s); \r\n) \r\n\r\n\/\/\u884c\u4e0d\u901a \r\nSynth(\"Saw\"); \/\/\u6e90 \r\nSynth(\"Filter\"); \/\/\u6ee4\u6ce2\u5668 \r\n\r\n\/\/\u53ef\u884c \r\nSynth(\"Filter\"); \/\/\u6ee4\u6ce2\u5668 \r\nSynth(\"Saw\"); \/\/\u6e90 \r\n\r\n\/\/\u6216\u8005 \r\nSynth(\"Filter\"); Synth(\"Saw\");<\/pre>\n<p>\u5728\u4e0a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u4e00\u4e2a\u97f3\u6e90\u8fde\u63a5\u5230\u4e00\u4e2a\u6ee4\u6ce2\u5668\u3002\u6211\u4e3a\u6240\u6709\u4fe1\u53f7\u4f7f\u7528\u4e86\u97f3\u9891\u603b\u7ebf\uff08<em>Out.ar<\/em>\uff09\u56e0\u4e3a\u5b83\u4eec\u5747\u9700\u662f\u97f3\u9891\u7387\u3002\u97f3\u6e90\u4ece16\u53f7\u53e3\u9001\u51fa\u3002\u6211\u4e0d\u80fd\u4f7f\u75280\uff0c1\uff0c2\uff0c3\u56e0\u4e3a\u5b83\u4eec\u8fde\u63a5\u5728\u6211\u7684\u786c\u4ef6\u8f93\u5165\u3001\u51fa\u4e0a\u3002\u90a3\u4e3a\u4ec0\u4e48\u4e0d\u75285\u5462\uff1f\u56e0\u4e3a\u6211\u53ef\u80fd\u5728\u6700\u540e\u5c06\u4e4b\u7528\u4e8e\u652f\u63018\u8fdb8\u51fa\uff080\uff5e15\uff09\u7684\u673a\u5668\u4e0a\uff0c\u6240\u4ee5\u6211\u79fb\u52a8\u5230\u4e8616\uff08\u5c3d\u7ba1\u6211\u540c\u6837\u53ef\u4ee5\u4f7f\u752860\uff09\u3002\u8bf7\u53c2\u9605\u4e0b\u8fb9\u7684\u52a8\u6001\u603b\u7ebf\u5206\u914d\u3002 <\/p>\n<p>\u4e0a\u8fb9\u4e24\u4f8b\u552f\u4e00\u7684\u4e0d\u540c\u70b9\u5c31\u5728\u4e8e\u6267\u884c\u7684\u987a\u5e8f\u3002\u5728\u7b2c\u4e00\u4f8b\u4e2d\uff0c<em>Saw<\/em>\uff08\u97f3\u6e90\uff09\u5148\u5f00\u542f\uff0c\u7136\u540e\u662f<em>Filter<\/em>\uff08\u6ee4\u6ce2\u5668\uff09\u3002\u7b2c\u4e8c\u4f8b\u5219\u53cd\u4e4b\u3002 <\/p>\n<p>\u5f53\u4f60\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5408\u6210\u5668\uff0c\u5b83\u4f1a\u88ab\u8d4b\u4e88\u4e00\u4e2a\u8282\u70b9id\u5e76\u88ab\u653e\u5230\u5217\u8868\u7684\u5934\u90e8\u3002\u6240\u6709\u539f\u5148\u5b58\u5728\u4e8e\u5217\u8868\u7684\u5408\u6210\u5668\u90fd\u88ab\u5411\u4e0b\u79fb\u52a8\u3002\u56e0\u6b64\u5982\u679c\u4f60\u5148\u6267\u884c<em>Saw<\/em>\uff0c\u5b83\u5c06\u88ab\u8d4b\u4e88\u4e00\u4e2a\u8282\u70b9\u5e76\u653e\u7f6e\u5230\u5934\u90e8\u3002\u800c\u540e\u4f60\u6267\u884c<em>Filter<\/em>\uff0c\u5b83\u540c\u6837\u88ab\u8d4b\u4e88\u4e00\u4e2aid\uff0c\u5e76\u5360\u636e\u5934\u90e8\u800c\u5c06<em>Saw<\/em>\u6324\u5230\u5c3e\u90e8\u3002\u4f46\u4fe1\u53f7\u662f\u4ece\u5934\u6d41\u5411\u5c3e\u7684\uff0c\u56e0\u6b64Saw\u5fc5\u987b\u5728\u5934\u90e8\uff0c\u800cFilter\u5e94\u8be5\u662f\u5c3e\u3002 <\/p>\n<p>\u6211\u5c06\u5934\u60f3\u4f5c\u662f\u6d41\u7a0b\u56fe\u7684\u9876\u7aef\uff0c\u56e0\u4e3a\u6211\u4eec\u4e60\u60ef\u4e8e\u901a\u8fc7\u5411\u4e0b\u6d41\u52a8\u7684\u4fe1\u53f7\u6765\u56fe\u89e3\u4e00\u4e2apatch\u3002\u4e0d\u5e78\u7684\u662f\uff0c\u8fd9\u662f\u4ee4\u4eba\u8ff7\u60d1\u7684\uff0c\u56e0\u4e3a\u5b83\u4e0e\u6267\u884c\u7684\u987a\u5e8f\u662f\u76f8\u53cd\u7684\uff0c\u770b\u4e0b\u4f8b\u3002 <\/p>\n<p><strong>18.11. \u6267\u884c\u987a\u5e8f\uff0c\u8282\u70b9\u987a\u5e8f<\/strong><br \/>\n\u8fd9\u4e2a\u6267\u884c\u987a\u5e8f <\/p>\n<pre class=\"brush:jfx\">Synth(\"Receive\"); \r\nSynth(\"SendControl1\"); \r\nSynth(\"SendControl2\");<\/pre>\n<p>\u5bfc\u81f4\u4e86\u8fd9\u4e9b\u8282\u70b9\u88ab\u5217\u5370\u5230post\u7a97\u53e3<br \/>\n<code>Synth(\"Receive\" : 1000)<br \/>\nSynth(\"SendControl1\" : 1001)<br \/>\nSynth(\"SendControl2\" : 1002)<\/code><\/p>\n<p>\u4f46\u4ed6\u4eec\u7684\u987a\u5e8f\uff0c\u4ece\u5934\u5230\u5c3e\uff0c\u4ece\u4e0a\u5230\u4e0b\u662f\uff1a<br \/>\n<code>Group(0)<br \/>\n   Group(1)<br \/>\n      Synth 1002 \/\/\u5934<br \/>\n      Synth 1001<br \/>\n      Synth 1000 \/\/\u5c3e <\/code><\/p>\n<p>\u56e0\u6b64\uff0c\u6267\u884c\u987a\u5e8f\u4e0e\u8282\u70b9\u5217\u8868\u662f\u76f8\u53cd\u7684\uff0c\u4ece\u4e0a\u5230\u4e0b\uff08\u4ece\u5934\u5230\u5c3e\uff09\u3002 <\/p>\n<p>\u8fd9\u662f\u6211\u52aa\u529b\u8bb0\u4f4f\u7684\uff1a\u6267\u884c\u7684\u987a\u5e8f\u662f\u5148\u8f93\u5165\uff0c\u540e\u8f93\u51fa\uff1b\u5148\u63a5\u6536\uff0c\u540e\u53d1\u9001\uff1b\u5148\u7ec8\u70b9\uff0c\u540e\u79bb\u5f00\u3002\u8fd9\u91cc\u6211\u7684\u610f\u601d\u662f\uff0c\u6267\u884c\u5c06\u8981\u4ece\u5b83\u7684\u8f93\u5165\u603b\u7ebf\u63a5\u6536\u5176\u4ed6\u5408\u6210\u5668\u4fe1\u53f7\u7684\u5408\u6210\u5668\uff0c\u7136\u540e\u518d\u6267\u884c\u53d1\u9001\u4e00\u4e2a\u5c06\u88ab\u4f7f\u7528\u7684\u4fe1\u53f7\u7684\u5408\u6210\u5668\u3002\uff08\u8fd9\u4e48\u8bf4\u4e5f\u8bb8\u4f1a\u66f4\u6e05\u695a\u4e00\u4e9b\uff1a\u5728\u628a\u5de5\u4eba\u4eec\u653e\u5230\u5df4\u58eb\u4e4b\u524d\uff0c\u4f60\u5f97\u5148\u5efa\u597d\u4f60\u7684\u5de5\u5382\u3002\u5982\u679c\u5728\u4e00\u4e2a\u91cd\u70b9\u5b58\u5728\u524d\uff0c\u4f60\u5c31\u5c06\u5b83\u4eec\u653e\u8fdb\u5df4\u58eb\uff0c\u4f60\u4fbf\u65e0\u6cd5\u544a\u8bc9\u5b83\u4eec\u5728\u54ea\u4e0b\u8f66\u3002\u8352\u5510\u7684\u8bb0\u5fc6\u6cd5\uff0c\u6211\u5f97\u627f\u8ba4\uff0c\u4f46\u8fd9\u4e0e\u6240\u6709\u5976\u725b\u90fd\u5728\u665a\u9910\u524d\u5403\u8349\u5dee\u4e0d\u591a\u3002\uff09 <\/p>\n<p>\u5982\u679c\u4f60\u60f3\u5c06\u5b83\u4eec\u60f3\u505a\u5934\u548c\u5c3e\uff1a\u8f93\u5165\u662f\u5c3e\uff08\u5e95\u90e8\uff09\uff0c\u8f93\u51fa\u662f\u5934\uff08\u9876\u90e8\uff09\uff0c\u56e0\u4e3a\u4fe1\u53f7\u662f\u4ece\u4e0a\u5f80\u4e0b\u6d41\u6dcc\u7684\u3002 <\/p>\n<p>\u6267\u884c\u987a\u5e8f\uff1a\u8f93\u5165\u7136\u540e\u8f93\u51fa\u3002\u8282\u70b9\u987a\u5e8f\uff1a\u8f93\u5165\u5728\u5c3e\uff0c\u8f93\u51fa\u5728\u5934\u3002 <\/p>\n<p>\u5f53\u4f7f\u7528Synth\u65f6\uff0c\u8282\u70b9\u9ed8\u8ba4\u662f\u88ab\u653e\u5728\u7ec4\uff08group\uff09\u7684\u5934\u90e8\u3002\u4f46\u4f60\u540c\u6837\u53ef\u4ee5\u7cbe\u786e\u7684\u5206\u914d\u4e00\u4e2a\u8282\u70b9\u5230\u5934\u6216\u5c3e\u3002\u4e0b\u4f8b\u4e2d\uff0cSaw\u88ab\u653e\u5230\u5934\u90e8\u3002\u7b2c\u4e8c\u4f8b\u5c06<em>Filter<\/em>\u653e\u5230\u5c3e\u90e8\u800c\u4e0d\u662f\u5934\u90e8\uff0c\u653e\u5230\u5934\u90e8\u7684\u8bdd\u5c06\u4f7f<em>Saw<\/em>\u79fb\u52a8\u5230\u5c3e\u90e8\u3002\u4f7f\u7528tail\u548chead\u610f\u5473\u7740\u6267\u884c\u987a\u5e8f\u65e0\u5173\u7d27\u8981\u3002 <\/p>\n<p>\u5728\u4f7f\u7528head\u548ctail\u65f6\uff0c\u7b2c\u4e00\u5f15\u6570\u662f\u653e\u7f6e\u5408\u6210\u5668\u7684\u7ec4\uff0c\u5934\u5c3e\u5c31\u662f\u5b83\u7684\u3002\u6211\u4eec\u76ee\u524d\u8fd8\u672a\u521b\u5efa\u4efb\u4f55\u7ec4\uff0c\u56e0\u6b64\u4ed6\u81ea\u5df1\u5c06\u81ea\u5df1\u653e\u5728\u670d\u52a1\u5668\u4e0a\uff0c\u5b83\u9ed8\u8ba4\u7684\u7b2c\u4e00\u4e2a\u8282\u70b9id\u662f0\uff0c\u9ed8\u8ba4\u7ec4\u662f1\u3002 <\/p>\n<p><strong>18.12. \u8282\u70b9\u987a\u5e8f, \u5934, \u5c3e <\/strong><\/p>\n<pre class=\"brush:jfx\">Synth.head(s, \"Saw\"); \r\nSynth.tail(s, \"Filter\");<\/pre>\n<p>\u76f8\u540c\u7684\u4e1c\u897f <\/p>\n<pre class=\"brush:jfx\">Synth.tail(s, \"Filter\"); \r\nSynth.head(s, \"Saw\");<\/pre>\n<p>\u6211\u53ef\u4ee5\u60f3\u8c61\u4f60\u7684\u8111\u5b50\u5df2\u7ecf\u6ee1\u4e86\u3002\u51fa\u53bb\u900f\u900f\u6c14\u5427\u3002\u6211\u7b49\u4f60\u56de\u6765\u3002<\/p>\n<p>ok\uff0c\u66f4\u6df7\u6dc6\u7684\u6765\u4e86\u3002<\/p>\n<h3>\u52a8\u6001\u603b\u7ebf\u5206\u5e03<\/h3>\n<p>\u5728\u8fd9\u524d\u90a3\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4f7f\u7528\u4e8616\u53f7\u603b\u7ebf\u4ee5\u4e3a\u4e00\u4e2a8\u901a\u9053\u7684\u63a5\u53e3\u7559\u51fa\u7a7a\u95f4\uff0c8\u8fdb\uff0c8\u51fa\u3002\u5982\u679c\u4f60\u4e0d\u77e5\u9053\u4f60\u5df2\u7ecf\u6709\u591a\u5c11\u4e2a\u8f93\u51fa\u3001\u5165\u53e3\u600e\u4e48\u529e\u5462\uff1f\u81ea\u7136\u5730\uff0c\u6709\u4e00\u4e2a\u7ba1\u7406\u603b\u7ebf\u7684\u81ea\u52a8\u5316\u65b9\u6cd5\u3002<em>Bus.control<\/em>\u548c<em>Bus.audio<\/em>\u53ef\u88ab\u7528\u4e8e\u8fd4\u56de\u4e0b\u4e00\u4e2a\u53ef\u7528\u7684\u63a7\u5236\u4e0e\u97f3\u9891\u603b\u7ebf\u7684\u76ee\u5f55\u3002<em>Bus.index<\/em>\u8fd4\u56de\u90a3\u4e2a\u76ee\u5f55\u3002\u4e0b\u8fb9\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u5c06\u5728post\u7a97\u53e3\u8fd4\u56de\uff1a<em>Bus(internal, audio, 4, 1)<\/em>\uff0c\u610f\u5473\u7740\u4e00\u4e2a\u5728\u76ee\u5f55\u7b2c\u56db\u4f4d\u4f4d\u4e8einternal\u670d\u52a1\u5668\u7684\u97f3\u9891\u603b\u7ebf\u88ab\u8fd4\u56de\u3002\u4e3a\u4ec0\u4e48\u662f4\uff1f\u56e0\u4e3a0\uff5e3\u5df2\u88ab\u7535\u8111\u7684\u8f93\u5165\u548c\u8f93\u51fa\u6240\u5360\u7528\uff0c\u56e0\u6b644\u662f\u4e0b\u4e00\u4e2a\u53ef\u7528\u7684\u603b\u7ebf\u3002\u65b9\u6cd5free\u91ca\u653e\u90a3\u4e2a\u603b\u7ebf\uff0c\u7136\u540e\u88ab\u91cd\u65b0\u5206\u914d\u3002\u63a5\u4e0b\u6765\u6211\u91cd\u65b0\u5206\u914d\u4e00\u4e2a\u4e24\u901a\u9053\u603b\u7ebf\u5230c\uff0c\u63a5\u7740\u662f\u4e00\u4e2a\u4e24\u901a\u9053\u603b\u7ebf\u5230b\u3002\u5b83\u4eec\u5e94\u5f53\u662f4\uff0c5\u548c6\uff0c7\uff0c\u4f46\u4f60\u7684\u91cc\u7a0b\u8868\u53ef\u80fd\u4e0d\u540c\uff1a\u5b83\u4eec\u5b9e\u9645\u4e0a\u5c06\u662f\u4efb\u4f55\u4f60\u7cfb\u7edf\u5185\u7a7a\u95f2\u7684\u53e3\u3002\u7136\u540e\u6211\u5411\u8fd9\u4e9b\u5206\u914d\u7684\u7aef\u53e3\u5206\u522b\u53d1\u9001\u4e00\u4e2a<em>Saw<\/em>\u548c<em>SinOsc<\/em>\uff0c\u4f7f\u752812\u901a\u9053\u7684scope\uff0c\u4ee5\u4f7f\u4f60\u53ef\u4ee5\u770b\u5230\u5b83\u4eec\u5168\u90e8\u3002\u6ce8\u610f\u5b83\u4eec\u90fd\u662f\u7acb\u4f53\u58f0\u603b\u7ebf\uff0c\u4f46<em>Saw<\/em>\u662f\u4e00\u4e2a\u5355\u58f0\u9053patch\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u7b2c\u4e8c\u4e2ac\u603b\u7ebf\u4ecd\u662f\u53ef\u7528\u7684\u3002 <\/p>\n<p>\u8bf7\u786e\u4fdd\u5728\u6bcf\u4e2a\u4f8b\u5b50\u8fd0\u884c\u5b8c\u6bd5\u4e4b\u540e\u91ca\u653e\u6bcf\u6761\u603b\u7ebf\u3002 <\/p>\n<p><strong>18.13. \u603b\u7ebf\u5206\u914d\u53ca\u91cd\u5206\u914d<\/strong> <\/p>\n<pre class=\"brush:jfx\">b = Bus.audio; \r\n\r\nb.index; \r\n\r\nb.free; \r\n\r\nc = Bus.audio(s, 2); \r\nb = Bus.audio(s, 2); \r\n\r\n{Out.ar(c.index, Saw.ar)}.play; \r\n{Out.ar(b.index, SinOsc.ar([500, 1000])).scope(8) \r\n\r\nb.free; c.free;<\/pre>\n<p>\u5982\u679c\u4f60bypass\uff08\u8bbe\u65c1\u8def\uff09Bus\u5e76\u4ec5\u8f93\u5165\u4e00\u4e2a\u76ee\u5f55\u7f16\u53f7\uff0c\u5b83\u5c06\u4e0d\u4f1a\u88ab\u6ce8\u518c\u5230\u4e00\u4e2a\u603b\u7ebf\u5206\u914d\u3002\u8fd9\u88ab\u79f0\u4e3a\u786c\u63a5\u7ebf\uff08hardwiring\uff09\u3002\u4e3a\u8bf4\u660e\u8fd9\u70b9\uff0c\u6211\u5c06\u9996\u5148\u7528\u4e00\u4e2a\u786c\u63a5\u7ebf\u7684\u54d1\u5df4\uff08dummy\uff09\u5408\u6210\u5668\u63a5\u7ba1\u4e00\u4e9b\u603b\u7ebf\u3002\u800c\u540e\u4f7f\u7528Bus\u83b7\u5f97\u4e0b\u4e00\u4e2a\u53ef\u7528\u7684\u603b\u7ebf\uff0c\u5217\u5370\u5b83\u7684\u76ee\u5f55\uff0c\u7136\u540e\u4f7f\u7528\u5b83\u7684\u76ee\u5f55\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5408\u6210\u5668\u3002\u6ce8\u610f\u5c06\u5b83\u4e0e\u53d1\u9001\u5230\u7b2c\u4e00\u4e2aSinOsc\u4f7f\u7528\u7684\u603b\u7ebf\u4e0a\u3002 <\/p>\n<p><strong>18.14. \u603b\u7ebf\u5206\u914d\u548c\u518d\u5206\u914d<\/strong> <\/p>\n<pre class=\"brush:jfx\">{Out.ar(4, SinOsc.ar([100, 200, 300, 400]))}.scope(8); \r\n\r\nb = Bus.audio(s, 2); \r\n\r\nb.index; \/\/ \u4e0d\u7ba1\u4e0a\u8fb9\u7684\u4ee3\u7801\u662f\u4ec0\u4e48\uff0c\u5e94\u8be5\u4ecd\u4e3a4 \r\n\r\n{Out.ar(b.index, Saw.ar([800, 1000]))}.scope(8); \/\/ \u6dfb\u52a0\u5230\u6b63\u5f26\u6ce2\u4e0a \r\n\r\nb.free;<\/pre>\n<p>\u7d27\u63a5\u7740\u5728\u8fd0\u884c\u4e0b\u8fb9\u8fd9\u5806\u4ee3\u7801\u7684\u540c\u65f6\u89c2\u5bdfpost\u7a97\u53e3\u5185\u7684\u53cd\u9988\u3002 <\/p>\n<p><strong>18.15. \u603b\u7ebf\u5206\u914d <\/strong><\/p>\n<pre class=\"brush:jfx\">a = Bus.audio(s, 2) \/\/ \u83b7\u53d6\u63a5\u4e0b\u6765\u53ef\u7528\u7684\u4e24\u4e2a\u901a\u9053 \r\nb = Bus.audio(s, 1) \/\/ \u83b7\u53d6\u63a5\u4e0b\u6765\u7684\u4e00\u4e2a\u901a\u9053 \r\nc = Bus.audio(s, 2) \/\/ \u518d\u83b7\u53d6\u4e24\u4e2a \r\nc.index \/\/ \u5217\u5370c \r\na.index \/\/ \u5217\u5370a \r\na.free \/\/ \u91ca\u653ea \r\nb.free \/\/ \u91ca\u653eb \r\nd = Bus.audio(s, 1) \/\/ a and b are now free, so these \r\ne = Bus.audio(s, 2) \/\/ should take over those indexes \r\na = Bus.audio(s, 2) \/\/ reallocate a and b, will probably \r\nb = Bus.audio(s, 1) \/\/ 9 through 11 \r\n[a, b, c, d, e].postln; \/\/ \u5217\u5370\u5168\u90e8 \r\ns.scope(14); \/\/ \u5f00\u542f\u4e00\u4e2ascope \r\n\r\n\/\/ \u73b0\u5728\u5f00\u542f\u4e00\u4e9b\u5408\u6210\u5668. \u6211\u5c06\u628a\u5b83\u4eec\u5168\u90e8\u6df7\u81f3\u603b\u7ebf0\uff0c1\u3002 \r\n\/\/ \u56e0\u6b64\u6211\u4eec\u5c06\u9996\u5148\u5f00\u542f\u5b83\u3002\u8bb0\u4f4f \r\n\/\/ \u5148\u5165, \u540e\u51fa, \u5148\u6536, \u540e\u9001. \r\n\r\n{Out.ar(0, Mix.ar(In.ar(2, 12))*0.1)}.play \r\n{Out.ar(a.index, SinOsc.ar)}.play \r\n{Out.ar(b.index, SinOsc.ar(1000))}.play \r\n{Out.ar(c.index, Saw.ar([400, 800]))}.play \r\n{Out.ar(d.index, Pulse.ar(200))}.play \r\n{Out.ar(e.index, [Saw.ar(500), FSinOsc.ar(900)])}.play \r\n\/\/ \u4f60\u5728\u6ca1\u6709\u5c06\u4e00\u6761\u603b\u7ebf\u5206\u914d\u7ed9\u4e00\u4e2a\u53d8\u91cf\u7684\u60c5\u51b5\u4e0b\u4ecd\u80fd\u83b7\u5f97\u4e00\u6761\u603b\u7ebf \r\n\/\/ \u8fd9\u6837\u4ec5\u4ec5\u5c06\u4f7f\u4f60\u65e0\u6cd5\u5728\u4e4b\u540e\u91ca\u653e\u5b83. \r\n{Out.ar(Bus.audio.index, Saw.ar(2000))}.play \r\n\/\/ \u4f60\u53ef\u4ee5\u5c06\u4e24\u4e2a\u4fe1\u53f7\u5199\u5165\u4e00\u6761\u603b\u7ebf \r\n{Out.ar(a.index, Saw.ar(2000))}.play \r\n\r\n[a, b, c, d, e].do({arg each; each.free}) \/\/ \u91ca\u653e\u5168\u90e8<\/pre>\n<p>\u6211\u4e0d\u5f97\u4e0d\u627f\u8ba4\uff0c\u5bf9\u4e8e\u603b\u7ebf\u6211\u5e76\u975e\u7ecf\u9a8c\u4e30\u5bcc\u3002\u6211\u7684\u76f4\u89c9\u662f\uff0c\u52a8\u6001\u5206\u914d\u53ef\u80fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u6216\u53e6\u4e00\u4e2a\u4e0d\u5fc5\u8981\u7684\u590d\u6742\u7684\u5c42\u9762\u3002\u4f60\u81ea\u5df1\u505a\u51b3\u5b9a\u3002<\/p>\n<h3>\u4f7f\u7528\u603b\u7ebf\u63d0\u9ad8\u6548\u7387<\/h3>\n<p>\u603b\u7ebf\u53ef\u4ee5\u4f7f\u4f60\u7684patch\u66f4\u9ad8\u6548\u3002\u4f60\u53ef\u4ee5\u4e3a\u82e5\u5e72\u5408\u6210\u5668\u4f7f\u7528\u4e00\u4e2a\u5355\u72ec\u7684\u63a7\u5236\uff0c\u6216\u5c06\u82e5\u5e72\u5408\u6210\u5668\u53d1\u9001\u81f3\u4e00\u4e2a\u5355\u72ec\u7684\u5168\u5c40fx\u3002\u82e5\u4e00\u4e2afx\u88ab\u5efa\u5165\u4e00\u4e2a\u5408\u6210\u5668\uff0c\u590d\u5236\u8fd9\u4e2a\u5408\u6210\u5668\u540c\u6837\u4f1a\u590d\u5236\u90a3\u4e2afx\u3002\u5c06\u8fd9\u4e2apatch\u770b\u4f5c\u4e00\u4e2a\u89e6\u53d1\u5668\u548c\u4e00\u4e2a\u6df7\u54cd\u3002\u8fd0\u884c\u5b83\uff0c\u5e76\u67e5\u770bCPU\u5360\u7528\u4ee5\u53ca\u670d\u52a1\u5668\u7a97\u53e3\u5185UGen\u7684\u6570\u91cf\u3002\u8fd0\u884c\u4e00\u4e2a\u5408\u6210\u5668\u7684\u62f7\u8d1d\u4e0d\u592a\u906d\uff0c\u4f46\u5c1d\u8bd5\u4f7f\u7528<em>Synth(&#8220;inefficient&#8221;)<\/em>\u8fd0\u884c\u516d\u4e2a\u5b83\u4eec\uff0c\u518d\u770bCPU\u5360\u7528\u4ee5\u53ca\u6bcf\u4e2a\u5408\u6210\u5668UGen\u7684\u589e\u6da8\u3002\uff08\u6ce8\u610f\u56e0\u4e3a\u89e6\u53d1\u5668\u662f\u968f\u673a\u7684\uff0c\u56e0\u6b64\u4f60\u53ef\u80fd\u9700\u8981\u8ba9\u5b83\u8fd0\u884c\u4e00\u4f1a\u624d\u80fd\u542c\u5230\u58f0\u97f3\u3002\uff09 <\/p>\n<p>\u6709\u4e00\u4e2a\u8fd0\u884c\u540c\u4e00\u884c\u82e5\u5e72\u6b21\u7684\u5c0f\u6280\u5de7\uff1a\u628a<em>Synth(&#8220;inefficient&#8221;)<\/em>\u6253\u5230\u4ee3\u7801\u7a97\u53e3\u7684\u6700\u540e\u4e00\u884c\uff0c\u4e0d\u8981\u6309\u56de\u8f66\u3002\u8fd9\u65f6\uff0c\u5f53\u4f60\u6309\u4e0benter\u7684\u65f6\u5019\uff0c\u5149\u6807\u4ecd\u7136\u4f1a\u505c\u7559\u5728\u8fd9\u4e00\u884c\u3002\u6bcf\u6309\u4e0b\u4e00\u6b21enter\uff0c\u4e00\u4e2a\u65b0\u7684\u5408\u6210\u5668\u5c06\u88ab\u540c\u65f6\u521b\u5efa\u3002 <\/p>\n<p><strong>18.16. \u4f4e\u6548\u7684patch<\/strong> <\/p>\n<pre class=\"brush:jfx\">( \r\nSynthDef(\"inefficient\", \r\n{ \r\nvar out, delay; \r\nout = \r\n   SinOsc.ar(LFNoise0.kr(15, 400, 800), mul: 0.2) \r\n   * \r\n   EnvGen.kr( \r\n      Env.perc(0, 1), \r\n      gate: Dust.kr(1) \r\n   ); \r\n\r\ndelay = CombC.ar(out, 0.5, [0.35, 0.5]); \r\nout = Pan2.ar(out, Rand(-1.0, 1.0)); \r\nOut.ar(0, (out + delay)) \r\n}).play; \r\n) \r\n\r\n\/\/ Type this into a new window with no return and keep pressing enter\r\nSynth(\"inefficient\")<\/pre>\n<p>\u5982\u679c\u4f60\u8fd0\u884c\u516d\u4e2a\u7248\u672c\uff0c\u4f60\u4f1a\u5f97\u5230\u516d\u4e2a\u6df7\u54cd\uff08<em>CombC<\/em>\uff09\u548c\u516d\u4e2a\u89e6\u53d1\u5668\uff08<em>Dust.kr<\/em>\uff09\u3002\u5728\u6211\u7684\u673a\u5668\u4e0a\uff0c\u8fd9\u65f6UGen\u603b\u6570\u662f96\u800cCPU\u5360\u7528\u4e3a16%\u3002\u5f53\u6211\u4eec\u62c6\u5206\u8fd9\u4e2apatch\u540e\uff0c\u89e6\u53d1\u5668\uff0c\u97f3\u6e90\uff08<em>SinOsc<\/em>\uff09\u4ee5\u53ca\u6df7\u54cd\u4fbf\u662f\u5b8c\u5168\u72ec\u7acb\u7684\u5355\u5143\uff0c\u7136\u540e\u6211\u4eec\u53ef\u4ee5\u7528\u4e00\u4e2a\u89e6\u53d1\u5668\u548c\u4e00\u4e2a\u6df7\u54cd\u5f97\u5230\u51e0\u4e4e\u4e00\u6837\u7684\u6548\u679c\u3002 <\/p>\n<p><strong>18.17. \u4f7f\u7528\u603b\u7ebf\u66f4\u9ad8\u6548\u7684\u6a21\u5757\u5316\u65b9\u6cd5<\/strong> <\/p>\n<pre class=\"brush:jfx\">( \r\n\/\/\u4e00\u6b21\u4f20\u9012\u5b9a\u4e49\u5168\u90e8\u5408\u6210\u5668 \r\nSynthDef(\"singleTrigger\", { \r\n   Out.kr( \r\n      \/\/\u8f93\u51fa\u6bcd\u7ebf\u662f1560\uff5e1565 \r\n      LFNoise0.kr(5, mul: 4.0, add: 1563).div(1), \r\n      Dust.kr(6) \r\n   ) \r\n}).send(s); \r\n\r\nSynthDef(\"source\", \r\n{ arg trigIn, rate; \r\nvar out, delay; \r\nout = \r\n   SinOsc.ar(LFNoise0.kr(rate, 400, 800), mul: 0.1) \r\n   * \r\n   EnvGen.kr( \r\n      Env.perc(0, 1), \r\n      gate: In.kr(trigIn) \r\n   ); \r\n\r\nout = Pan2.ar(out, Rand(-1.0, 1.0)); \r\nOut.ar(16, out) \r\n}).send(s); \r\n\r\nSynthDef(\"singleReverb\", \r\n{ \r\nvar signal; \r\nsignal = In.ar(16, 2); \r\n   Out.ar(0, (signal + CombC.ar(signal, 0.5, [0.35, 0.5]))) \r\n}).send(s); \r\n) \r\n\r\n\/\/ \u5f00\u542f\u89e6\u53d1\u5668 \r\nSynth(\"singleTrigger\", [\\rate, 1\/4]) \r\n\r\n\/\/ \u5f00\u542f\u6df7\u54cd \r\nSynth(\"singleReverb\") \r\n\r\n\/\/ \u5f00\u542f\u97f3\u6e90 \"\u76d1\u89c6\" \u89e6\u53d1\u5668\u603b\u7ebf4-9 \r\n\/\/ \u5148\u5f00\u542f4\u548c9\u4ee5\u786e\u4fdd\u5176\u5de5\u4f5c\u6b63\u5e38 (\u7528\u4e00\u4e2a \r\n\/\/ \u5feb\u548c\u6162\u7684rate\u786e\u4fdd\u4f60\u53ef\u4ee5\u4fdd\u6301\u8ffd\u8e2a) \r\nSynth(\"source\", [\\trigIn, 1560, \\rate, 4]) \r\nSynth(\"source\", [\\trigIn, 1565, \\rate, 25]) \r\nSynth(\"source\", [\\trigIn, 1561, \\rate, 10]) \r\nSynth(\"source\", [\\trigIn, 1562, \\rate, 8]) \r\nSynth(\"source\", [\\trigIn, 1563, \\rate, 17]) \r\nSynth(\"source\", [\\trigIn, 1564, \\rate, 7])<\/pre>\n<p>\u5728\u8fd9\u4e2apatch\u4e2d\uff0c\u6211\u9996\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5728\u516d\u6761\u603b\u7ebf\uff081560\uff5e1565\uff09\u6d3b\u52a8\u7684\u89e6\u53d1\u5668\u3002\u4e3a\u4ec0\u4e48\u662f\u7b2c1560\u5462\uff1f\u56e0\u4e3a\u5b83\u4eec\u53ef\u4ee5\u662f\u4efb\u4f55\u4e1c\u897f\u3002<em>LFNoise<\/em>\u751f\u62101559\uff5e1566\u95f4\u7684\u503c\uff0c\u7528div(1)\u8f6c\u4e3a\u6574\u6570\uff0c\u5e76\u88ab\u7528\u4e8e\u201c\u6563\u64ad\u201d\u51fa\u603b\u7ebf\u7f16\u53f7\u3002\u60f3\u8c61\u5728\u603b\u7ebf1560\uff5e1566\u95f4\uff0c\u6bcf\u4e2a\u53e3\u90fd\u6709\u4e00\u4e2aLED\u6307\u793a\u706f\uff0c\u5f53<em>LFNoise0<\/em>\u5728\u5b83\u4eec\u4e2d\u95f4\u4e0d\u89c4\u5f8b\u8df3\u8dc3\u65f6\uff0c\u6bcf\u6b21\u4eae\u8d77\u4e00\u4e2a\u3002\u5b83\u4eec\u5c06\u62c5\u5f53\u89e6\u53d1\u5668\u7684\u89d2\u8272\u3002\u5f53<em>LFNoise0<\/em>\u201c\u649e\u5230\u201d\u603b\u7ebf\u4efb\u4e00\uff0c\u5b83\u4fbf\u5411\u90a3\u6761\u603b\u7ebf\u53d1\u9001\u4e00\u4e2a\u89e6\u53d1\u5668\u3002 <\/p>\n<p>\u97f3\u6e90\u5408\u6210\u5668\u4ece\u4e00\u6761\u603b\u7ebf\u83b7\u5f97\u5b83\u7684\u89e6\u53d1\u5668\uff0c\u7531\u5f15\u6570<em>trigIn<\/em>\u8bbe\u7f6e\u3002\u5f53\u6211\u4eec\u8fd0\u884c\u6bcf\u4e2a\u97f3\u6e90\u7684\u62f7\u8d1d\uff0c\u6211\u4eec\u90fd\u5206\u914d\u5176\u201c\u76d1\u89c6\u201d\u603b\u7ebf\u4e2d\u7684\u4e00\u6761\u3002\u5f53LFNoise0\u89e6\u53d1\u5668\u8fde\u63a5\u5230\uff0c\u6bd4\u5982\u8bf4\uff0c\u603b\u7ebf1563\uff0c\u968f\u540e\u76d1\u542c\u90a3\u6761\u603b\u7ebf\u7684\u97f3\u6e90\u5c06\u88ab\u70b9\u71c3\u3002 <\/p>\n<p>\u6211\u7684\u673a\u5668\u663e\u793a79UGen\u4ee5\u53ca6%\uff1b\u4f4e\u6548\u7248\u672cCPU\u5360\u7528\u7684\u4e00\u534a\u3002 <\/p>\n<p>\u4f55\u65f6\u5c06\u4e00\u4e2apatch\u6253\u6563\u4e3a\u7ec4\u4ef6\uff1f\u4f55\u65f6\u4e0d\u8fd9\u4e48\u505a\uff1f\u8fd9\u91cc\uff0c\u6df7\u54cd\u662f\u5b8c\u5168\u4e00\u6837\u7684\u3002\u5982\u679c\u4f60\u9700\u8981\u6bcf\u4e2a\u5ef6\u8fdf\u65f6\u95f4\u4e0d\u540c\uff0c\u6bd4\u5982\u8bf4\uff0c\u5982\u679c\u4f60\u6311\u5254\u7684\u9700\u8981\u5b83\u4eec\u4e0d\u540c\uff0c\u5219\u5b83\u4eec\u5e94\u662fpatch\u7684\u4e00\u90e8\u5206\uff0c\u4e8e\u662f\u6bcf\u4e2a\u5408\u6210\u5668\u90fd\u5c06\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u6df7\u54cd\u3002\u4f46\u5728\u7edd\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u6211\u76f8\u4fe1\u5728\u6240\u6709\u4f4e\u6548\u590d\u5236\u4e2d\u7684<em>CombC<\/em>\u90fd\u662f\u5b8c\u5168\u4e00\u6837\u7684\uff0c\u5177\u6709\u540c\u6837\u7684\u5ef6\u8fdf\u65f6\u95f4\uff0c\u56e0\u6b64\uff0c\u5206\u79bb\u8fd9\u4e2a\u7ec4\u4ef6\u5e76\u4ec5\u4f7f\u7528\u4e00\u4e2a\u662f\u503c\u5f97\u5c1d\u8bd5\u7684\u884c\u4e3a\u3002<\/p>\n<h3>\u7ec4<\/h3>\n<p>\u5e0c\u671b\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u4f60\u7684patch\u6b63\u5728\u8dd1\u6570\u5341\u6216\u4e0a\u767e\u4e2a\u8282\u70b9\u3002\u7ba1\u7406\u5e76\u5355\u72ec\u63a7\u5236\u5404\u4e2a\u8282\u70b9\u5c06\u5f88\u56f0\u96be\u3002\u8fd9\u91cc\u4fbf\u662f\u7ec4\uff08group\uff09\u7684\u5207\u5165\u70b9\uff0c\u56e0\u4e3a\u63a7\u5236\u53ef\u4ee5\u88ab\u9001\u81f3\u4e00\u4e2a\u6574\u4f53\u7684\u7ec4\/\u5728\u94fe\u8868\u4e2d\uff0c\u5b83\u4eec\u540c\u6837\u5177\u6709\u4e00\u4e2a\u987a\u5e8f\uff0c\u7ec4\u4e2d\u7684\u5168\u90e8\u8282\u70b9\u7ee7\u627f\u7ec4\u7684\u987a\u5e8f\u3002\u5168\u90e8\u7684\u97f3\u6e90\u53ef\u4ee5\u88ab\u201c\u9886\u5148\u5730\u201d\u653e\u5728\u4e00\u4e2a\u542b\u6709\u6ee4\u6ce2\u5668\u7684\u7ec4\u4e2d\u3002\u4f60\u65e0\u9700\u62c5\u5fc3\u6bcf\u4e2a\u72ec\u7acb\u97f3\u6e90\u53ca\u6ee4\u6ce2\u5668\u7684\u4f4d\u7f6e\u3002\u5982\u679c\u6ee4\u6ce2\u5668\u7ec4\u5728\u97f3\u6e90\u7ec4\u4e4b\u540e\u7684\u8bdd\uff0c\u7ec4\u5185\u7684\u5168\u90e8\u6ee4\u6ce2\u5668\u5747\u5c06\u4f4d\u4e8e\u97f3\u6e90\u4e4b\u540e\u3002 <\/p>\n<h3>\u7ec4\u64cd\u4f5c<\/h3>\n<p>\u4e00\u4e2a\u7ec4\u53ef\u4ee5\u5305\u542b\u5927\u7ea6\u5341\u4e2a\u4f60\u60f3\u8981\u9f50\u594f\u7684\u4e00\u4e2a\u5408\u6210\u5668\u7684\u526f\u672c\u3002\u4e00\u4e2a\u4f20\u9001\u81f3\u7ec4\u7684\u63a7\u5236\u632f\u5e45\u3001\u9891\u7387\u3001\u8870\u51cf\u7b49\u7b49\u7684\u65b9\u6cd5\u5c06\u4e00\u6b21\u6027\u6539\u53d8\u5b83\u7684\u5168\u90e8\u5b50\u96c6\uff08\u72ec\u7acb\u7684\u5408\u6210\u5668\u5b9a\u4e49\uff09\u3002 <\/p>\n<p><strong>18.18. \u7ec4\uff0c\u7ec4\u64cd\u4f5c<\/strong> <\/p>\n<pre class=\"brush:jfx\">( \r\n\/\/\u521b\u5efa\u4e00\u4e2a\u5408\u6210\u5668 \r\nSynthDef(\"ping\", \r\n{arg fund = 100, harm = 1, rate = 0.2, amp = 0.1; \r\na = Pan2.ar(SinOsc.ar(fund*harm, mul: amp) * \r\nEnvGen.kr(Env.perc(0, 0.2), gate: Dust.kr(rate)), Rand(-1.0, 1.0)); \r\nOut.ar(0, a) \r\n}).load(s); \r\n) \r\n\r\n\/\/ \u4f7f\u7528\u4e00\u4e2a\u5168\u5c40\u53d8\u91cf(~)\u5b9a\u4e49\u4e00\u4e2a\u7ec4 \r\n~synthGroup = Group.head(s); \r\n\r\n\/\/ \u8fd0\u884c\u8fd9\u4e9b\u516b\u6b21\u5de6\u53f3, \u5411\u7ec4\u5185\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684ping \r\nSynth(\"ping\", [\\fund, rrand(100, 1000), \\rate, 1], ~synthGroup); \r\nSynth(\"ping\", [\\fund, rrand(100, 1000), \\rate, 1], ~synthGroup); \r\nSynth(\"ping\", [\\fund, rrand(100, 1000), \\rate, 1], ~synthGroup); \r\nSynth(\"ping\", [\\fund, rrand(100, 1000), \\rate, 1], ~synthGroup); \r\nSynth(\"ping\", [\\fund, rrand(100, 1000), \\rate, 1], ~synthGroup); \r\nSynth(\"ping\", [\\fund, rrand(100, 1000), \\rate, 1], ~synthGroup); \r\n\/\/\u7b49\u7b49\u3002 \r\n\r\n\/\/ \u6539\u53d8\u7ec4\u7684\u5168\u90e8rate \r\n~synthGroup.set(\\rate, 3\/5); \r\n~synthGroup.set(\\rate, 8); \r\n\r\n\/\/ \u6539\u53d8\u632f\u5e45 \r\n~synthGroup.set(\\amp, 0.2); \r\n~synthGroup.set(\\amp, 0.01); \r\n\r\n\/\/Command+. \u5c06\u505c\u6b62\u5408\u6210\u5668\u548c\u7ec4\uff0c \r\n\/\/\u6240\u4ee5\u7528\u8fd9\u4e2a\u4ee5\u4fdd\u7559\u7ec4\u3002 \r\n~synthGroup.freeAll;<\/pre>\n<p>\u7ec4\u5185\u6240\u6709\u5177<em>rate<\/em>\u6216<em>amp<\/em>\u5f15\u6570\u7684\u5143\u7d20\u5c06\u8bc6\u522b\u51fa\u6539\u53d8\u3002\u5982\u679c\u6211\u4eec\u6dfb\u52a0\u4e00\u4e2a\u6ca1\u6709\u4e0a\u8ff0\u5f15\u6570\u7684\u5408\u6210\u5668\uff0c\u547d\u4ee4\u5c06\u88ab\u5ffd\u7565\u3002 <\/p>\n<p>\u6211\u4e3a\u5408\u6210\u5668\u7ec4\u4f7f\u7528\u4e86\u4e00\u4e2a\u5168\u5c40\u53d8\u91cf\uff08\u7528\u6ce2\u6d6a\u53f7\u5b9a\u4e49\uff09\u3002 <\/p>\n<p>Group.head\u7684\u5f15\u6570\u662f\u76ee\u6807\u3002\u4f7f\u7528 .head\u610f\u5473\u7740\u8fd9\u4e2a\u7ec4\u4f4d\u4e8e\u5176\u7236\u96c6\uff08\u670d\u52a1\u5668\uff09\u7684\u5934\u90e8\u3002\u5b83\u53ef\u4ee5\u88ab\u6dfb\u52a0\u5230\u53e6\u4e00\u4e2a\u5b58\u5728\u7684\u7ec4\uff0c\u4f46\u7531\u4e8e\u5b83\u662f\u6211\u4eec\u552f\u4e00\u62e5\u6709\u7684\u4e00\u4e2a\uff0c\u56e0\u6b64\u5b83\u88ab\u6dfb\u52a0\u5230\u6b63\u5728\u8fd0\u884c\u7684\u670d\u52a1\u5668\uff08\u9ed8\u8ba4\u7ec4\uff09\u3002\u6211\u4eec\u4f7f\u7528Synth\u4e3a\u7ec4\u6dfb\u52a0ping\u3002\u4e4b\u524d\u6211\u4eec\u66fe\u4f7f\u7528Synth\u521b\u5efa\u65b0\u7684\u8282\u70b9\u3002\u5b83\u4eec\u5728\u6211\u4eec\u6240\u4e0d\u77e5\u7684\u60c5\u51b5\u4e0b\u88ab\u6dfb\u52a0\u5165\u9ed8\u8ba4\u7ec4\u3002\u73b0\u5728\uff0c\u6211\u4eec\u5c06\u5b83\u4eec\u660e\u786e\u5730\u6dfb\u52a0\u7ed9\u4e86\u4e00\u4e2a\u7ec4\u3002 <\/p>\n<p>\u6700\u540e\u4e00\u4e2a\u547d\u4ee4\uff0c<em>freeAll<\/em>\uff0c\u6211\u4eec\u4f7f\u7528\u5b83\u800c\u4e0d\u662fcmd+.\uff0c\u56e0\u4e3a\u6211\u4eec\u5e0c\u671b\u5373\u4f7f\u5728\u505c\u6b62\u4e86\u5168\u90e8\u8282\u70b9\u540e\uff0c\u7ec4\u4ecd\u5904\u4e8e\u6d3b\u8dc3\u72b6\u6001\u3002 <\/p>\n<p>\u4e0b\u4f8b\u7528<em>Array.fill<\/em>\u521b\u5efa\u8282\u70b9\uff0c\u5e76\u628a\u6bcf\u4e2a\u5143\u7d20\u52a0\u5165\u7ec4\u3002\u8fd9\u5141\u8bb8\u6211\u4eec\u7528\u5f15\u6570i\u5728\u5408\u6210\u5668\u88ab\u521b\u5efa\u540e\u64cd\u4f5c\u6bcf\u4e2a\u548c\u58f0\u3002\u6211\u53ef\u4ee5\u4f7f\u7528<em>12.do<\/em>\uff0c\u4f46\u7528\u5408\u6210\u5668\u586b\u5145\u4e00\u4e2a\u6570\u7ec4\u5141\u8bb8\u5bf9\u6570\u7ec4\u6bcf\u4e2a\u5143\u7d20\u7684\u63a7\u5236\u3002\u5982\u679c\u60f3\u53ea\u6539\u53d8\u4e00\u4e2a\u7684\u8bdd\uff0c\u6211\u53ef\u4ee5\u4f7f\u7528<em>~all.at(n).set(args)<\/em>\u3002 <\/p>\n<p>\u5047\u8bbe\u7ec4\u4ecd\u5904\u4e8e\u6d3b\u8dc3\u3002\u5982\u679c\u4e0d\u662f\u8fd9\u6837\u7684\u8bdd\uff0c\u91cd\u65b0\u8f7d\u5165\u5b83\u3002 <\/p>\n<p><strong>18.19. \u81ea\u52a8\u5316\u8282\u70b9\u521b\u5236<\/strong> <\/p>\n<pre class=\"brush:jfx\">~all = Array.fill(12, \r\n   {arg i; Synth(\"ping\", [\\harm, i+1, \\amp, (1\/(i+1))*0.4],~synthGroup)}); \r\n\r\n~synthGroup.set(\\rate, 0.8); \r\n~synthGroup.set(\\rate, 5); \r\n\r\nArray.fill(12, {arg i; i\/2+1}) \r\n\r\n\/\/ \u6539\u53d8\u4e00\u4e2a\u8282\u70b9\u7684\u632f\u5e45 \r\n~all.at(6).set(\\amp, 1); \r\n~all.at(6).set(\\amp, 0.1); \r\n\r\n\/\/ \u7528\u4e00\u4e2a\u516c\u5f0f\u6539\u53d8\u5168\u90e8\u548c\u58f0 \r\n\/\/ \u6211\u7528\u6570\u7ec4Array.fill(12, {arg i; i\/2+1})\u68c0\u67e5\u516c\u5f0f \r\n\r\n~all.do({arg node, count; node.set(\\harm, count\/2+1)}); \/\/1, 1.5, 2, \u7b49\u7b49. \r\n~all.do({arg node, count; node.set(\\harm, count*2+1)}); \/\/1, 3, 5, 7, \u7b49\u7b49. \r\n~all.do({arg node, count; node.set(\\harm, count*1.25+1)}); \r\n~all.do({arg node, count; node.set(\\harm, count*1.138+1)}); \r\n\r\n\/\/ \u6539\u53d8\u57fa\u51c6\u9891\u7387 \r\n~synthGroup.set(\\fund, 150); \r\n~synthGroup.set(\\fund, 250); \r\n~synthGroup.set(\\fund, 130); \r\n\r\n\/\/ \u505c\u6b62\u8282\u70b9\uff0c\u4f46\u4e0d\u505c\u6b62\u7ec4 \r\n~synthGroup.freeAll; \r\n\r\n\/\/ \u521b\u5efa\u4e00\u4e2a\u6dfb\u52a0\u65b0\u5408\u6210\u5668\u7684\u4efb\u52a1 \r\nr = Task({{Synth(\"ping\", \r\n   [\\fund, rrand(100, 2000), \\rate, 2], ~synthGroup); 1.wait}.loop}).play \r\n\r\n\/\/ \u5f53\u5b83\u5f88\u591a\u65f6\u51cf\u901fattack \r\n~synthGroup.set(\\rate, 0.2); \r\n\r\n\/\/ \u964d\u4f4e\u5b83\u4eec\u7684\u97f3\u91cf. \u6ce8\u610f\u65b0\u7684\u5408\u6210\u5668\u5c06\u6cbf\u7528\u8001\u7684\u97f3\u91cf\u3002 \r\n~synthGroup.set(\\amp, 0.01); \r\n\r\n\/\/ \u505c\u6b62\u9664\u4efb\u52a1\u5916\u7684\u4e00\u5207 \r\n~synthGroup.free; \r\n\r\n\/\/ \u505c\u6b62\u4efb\u52a1 \r\nr.stop;<\/pre>\n<p>\u73b0\u5728\u6211\u4eec\u8981\u4e3a\u9ed8\u8ba4\u7ec4\uff08\u670d\u52a1\u5668\uff09\u7684\u5c3e\u90e8\u6dfb\u52a0\u53e6\u4e00\u4e2a\u7ec4\uff0c\u7528\u6765\u653e\u6240\u6709\u6548\u679c\u5668\u3002\u6ce8\u610f\u5982\u679c\u6211\u8981\u4e32\u8054\u6548\u679c\u5668\uff0c\u5e94\u662f\u97f3\u6e90 -> fx1 -> fx2, -> fx3\uff0c\u800c\u540e\u6211\u9700\u8981\u5b83\u4eec\u53ca\u5b83\u4eec\u7684\u7ec4\u6309\u987a\u5e8f\u6392\u5217\u3002\u4f46\u8fd9\u91cc\u5b83\u4eec\u662f\u5e73\u884c\u7684\uff1a\u97f3\u6e90\u88ab\u8def\u7531\u5230\u6240\u6709\u7684\u56de\u58f0\uff0c\u6240\u6709\u7684\u56de\u58f0\u88ab\u6df7\u5165\u603b\u7ebf0\uff0c1\u3002 <\/p>\n<p>\u4e3a\u4e86\u5c06ping\u8def\u7531\u5230\u56de\u58f0\uff0c\u6211\u5c06\u5b83\u7684\u8f93\u51fa\u603b\u7ebf\u6539\u5230\u4e8616\u3002\u6211\u4e00\u6b21\u53d1\u9001\u4e86\u6240\u6709\u5b9a\u4e49\uff0c\u4e3aping\u521b\u5efa\u4e00\u4e2a\u97f3\u6e90\u7ec4\uff0c\u4e3a\u56de\u58f0\u521b\u5efa\u4e00\u4e2a\u6548\u679c\u7ec4\u3002\u521b\u5efa\u7684\u987a\u5e8f\u6ca1\u6709\u5173\u7cfb\uff0c\u56e0\u4e3a\u5b83\u4eec\u7684\u8282\u70b9\u662f\u7531\u7ec4\u51b3\u5b9a\u7684\uff1a<em>synthGroup<\/em>\u7406\u6240\u5f53\u7136\u7684\u662f\u5934\uff0c<em>fxGroup<\/em>\u5219\u662f\u5c3e\u3002\u6211\u53ef\u4ee5\u6309\u4efb\u610f\u987a\u5e8f\u5f00\u542f\u6216\u505c\u6b62\u5b83\u4eec\u3002 <\/p>\n<p>\u5b9e\u9645\u4e0a\uff0c\u6548\u679c\u7ec4\u5c06\u6709\u4e09\u4e2a\u201c\u56de\u58f0\u201d\u3002\u5176\u4e2d\u4e24\u4e2a\u662f\u4f7f\u7528<em>Comb<\/em>\u7684\u56de\u58f0\uff0c\u4f46\u4e24\u8005\u6211\u90fd\u6ca1\u6709\u6df7\u5165\u5e72\u4fe1\u53f7\u3002\u56e0\u6b64\u56de\u58f01\u548c\u56de\u58f02\u4ec5\u662f\u6e7f\u4fe1\u53f7\uff0c\u6ca1\u6709\u97f3\u6e90\u3002\u6211\u4f7f\u7528\u4e00\u4e2a\u91cd\u8def\u7531\u97f3\u6e90\u5230\u603b\u7ebf0\u548c1\u7684\u5e72\u7684\u5408\u6210\u5668\uff0c\u56e0\u6b64\u6211\u53ef\u4ee5\u63a7\u5236\u5355\u72ec\u5b83\uff0c\u5411\u6700\u540e\u7684\u6df7\u97f3\u6dfb\u52a0\u5b83\uff0c\u6216\u4ece\u6700\u540e\u7684\u6df7\u97f3\u4e2d\u79fb\u9664\u5b83\u3002\u8fd9\u540c\u6837\u53ef\u4ee5\u7528<em>Out.ar([0, 1, 16, 17], a)<\/em>\u505a\u5230\uff0c\u4e3a\u6548\u679c\u8def\u7531\u97f3\u6e90\u523016\u548c17\uff0c\u4e3a\u5e72\u4fe1\u53f7\u8def\u7531\u52300\u548c1\u3002 <\/p>\n<p><strong>18.20. \u97f3\u6e90\u7ec4, \u6548\u679c\u7ec4<\/strong> <\/p>\n<pre class=\"brush:jfx\">( \r\nSynthDef(\"ping\", \r\n{arg fund = 400, harm = 1, rate = 0.2, amp = 0.1; \r\na = Pan2.ar(SinOsc.ar(fund*harm, mul: amp) * \r\nEnvGen.kr(Env.perc(0, 0.2), gate: Dust.kr(rate)), Rand(-1.0, 1.0)); \r\nOut.ar(16, a) \r\n}).load(s); \r\n\r\nSynthDef(\"dry\", \r\n{var signal; \r\nsignal = In.ar(16, 2);  \r\n   Out.ar(0, signal); \r\n}).load(s); \r\n\r\nSynthDef(\"echo1\", \r\n{ \r\nvar signal, echo; \r\nsignal = In.ar(16, 2); \r\necho = CombC.ar(signal, 0.5, [0.35, 0.5]); \r\n   Out.ar(0, echo); \r\n}).load(s); \r\n\r\nSynthDef(\"echo2\", \r\n{ \r\nvar signal, echo; \r\nsignal = In.ar(16, 2); \r\necho = Mix.arFill(3, { CombL.ar(signal, 1.0, LFNoise1.kr(Rand(0.1, 0.3), 0.4, 0.5), \r\n15) }); \r\n   Out.ar(0, echo*0.2) \r\n}).load(s); \r\n) \r\n\r\n~synthGroup = Group.head(s); \r\n~fxGroup = Group.tail(s); \r\n\r\n\/\/ 12.do\u4e0d\u5141\u8bb8\u6211\u63a7\u5236\u6bcf\u4e00\u4e2a\u5143\u7d20, \u4f46\u6ca1\u5173\u7cfb \r\n( \r\n12.do({arg i; \r\n   Synth(\"ping\", [\\harm, i+1, \\amp, (1\/(i+1))*0.4], \r\n   ~synthGroup)}); \r\n) \r\n\r\n\/\/ \"ping\"\u5728\u603b\u7ebf16\u6d3b\u52a8, \u6240\u4ee5\u6211\u4eec\u542c\u4e0d\u5230\u5b83 \r\n\r\n\/\/ \u5f00\u542f\u56de\u58f01 (\u6e7f\u7684), \u56de\u58f02 (\u4ecd\u662f\u6e7f\u7684), \u7136\u540e\u662f\u5e72\u4fe1\u53f7 \r\na = Synth(\"echo1\", target: ~fxGroup); \r\nb = Synth(\"echo2\", target: ~fxGroup); \r\nc = Synth(\"dry\", target: ~fxGroup); \r\n\r\nb.free; \/\/ \u4ee5\u4e0d\u540c\u987a\u5e8f\u79fb\u9664\u5b83\u4eec \r\na.free; \r\nc.free; \r\n\r\n\/\/ \u6700\u521d\u7684ping\u4ecd\u5728\u8fd0\u884c, \u56e0\u6b64\u505c\u6b62\u5b83. \r\n~synthGroup.freeAll; \r\n\r\n\/\/ \u8fd9\u4e48\u641e\u4e5f\u884c \r\na = Synth(\"echo1\", target: ~fxGroup); \r\nb = Synth(\"echo2\", target: ~fxGroup); \r\n12.do({arg i; Synth(\"ping\", [\\harm, i+1, \\amp, (1\/(i+1))*0.4],~synthGroup)}); \r\nc = Synth(\"dry\", target: ~fxGroup); \r\n\r\n~synthGroup.freeAll; \/\/ \u505c\u6b62\u97f3\u6e90, \u4f46\u56de\u58f0\u4ecd\u5728\u8fd0\u4f5c \r\n\r\n\/\/ \u518d\u6b21\u5f00\u542f\u97f3\u6e90 \r\n12.do({arg i; Synth(\"ping\", [\\harm, i+1, \\amp, (1\/(i+1))*0.4],~synthGroup)}); \r\n\r\n~synthGroup.set(\\rate, 0.8); \r\n~synthGroup.set(\\rate, 5); \r\n\r\n~synthGroup.free; \r\n~fxGroup.free;<\/pre>\n<h3>\u7ec3\u4e60\uff1a\u94c3\u548c\u56de\u58f0<\/h3>\n<p><strong>18.21. \u94c3\u548c\u56de\u58f0<\/strong><\/p>\n<pre class=\"brush:jfx\">(\r\nSynthDef(\"bells\",\r\n{arg freq = 100;\r\nvar out, delay;\r\nout = SinOsc.ar(freq, mul: 0.1)\r\n*\r\nEnvGen.kr(Env.perc(0, 0.01), gate: Dust.kr(1\/7));\r\n\r\nout = Pan2.ar(Klank.ar(`[Array.fill(10, {Rand(100, 5000)}),\r\n   Array.fill(10, {Rand(0.01, 0.1)}),\r\n   Array.fill(10, {Rand(1.0, 6.0)})], out), Rand(-1.0, 1.0));\r\n\r\nOut.ar(0, out*0.4); \/\/\u5c06\u5e72\u4fe1\u53f7\u9001\u5230\u4e3b\u8f93\u51fa\r\nOut.ar(16, out*1.0); \/\/\u5c06\u66f4\u54cd\u7684\u5e72\u4fe1\u53f7\u9001\u5230\u6548\u679c\u5668\u603b\u7ebf\r\n\r\n}).load(s);\r\n\r\nSynthDef(\"delay1\", \/\/ \u7b2c\u4e00\u4e2a\u56de\u58f0\r\n{var dry, delay;\r\ndry = In.ar(16, 2);\r\ndelay = AllpassN.ar(dry, 2.5,\r\n   [LFNoise1.kr(2, 1.5, 1.6), LFNoise1.kr(2, 1.5, 1.6)],\r\n   3, mul: 0.8);\r\nOut.ar(0, delay);\r\n}).load(s);\r\n\r\nSynthDef(\"delay2\", \/\/ \u7b2c\u4e8c\u4e2a\u56de\u58f0\r\n{var delay, dry;\r\ndry = In.ar(16, 2);\r\ndelay = CombC.ar(dry, 0.5, [Rand(0.2, 0.5), Rand(0.2, 0.5)], 3);\r\nOut.ar(0, delay);\r\n}).load(s);\r\n\r\nSynthDef(\"delay3\", \/\/ \u7b2c\u4e09\u4e2a\u56de\u58f0\r\n{\r\nvar signal, delay;\r\nsignal = In.ar(16, 2);\r\ndelay = Mix.arFill(3, { CombL.ar(signal, 1.0, LFNoise1.kr(Rand([0.1, 0.1], 0.3),\r\n0.4, 0.5), 15) });\r\n   Out.ar(0, delay*0.2)\r\n}).load(s);\r\n)\r\n\r\n\/\/\u5b9a\u4e49\u7ec4\r\n~fxGroup = Group.tail;\r\n~bellGroup = Group.head;\r\n\r\n\/\/ \u5f00\u542f\u56de\u58f0\u4e4b\u4e00\u548c4\u4e2a\u94c3\r\nf = Synth(\"delay3\", target: ~fxGroup);\r\n4.do({Synth(\"bells\", [\\freq, rrand(30, 1000)], target: ~bellGroup)})\r\n\r\n\/\/ \u505c\u6b62\u73b0\u5b58\u7684\u56de\u58f0\u5e76\u6362\u5230\u53e6\u4e00\u4e2a\r\nf.free; f = Synth(\"delay1\", target: ~fxGroup);\r\nf.free; f = Synth(\"delay2\", target: ~fxGroup);\r\nf.free; f = Synth(\"delay3\", target: ~fxGroup);\r\nSynth(\"delay1\", target: ~fxGroup); \/\/ \u4e0d\u79fb\u9664delay3\u589e\u52a0delay1<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u514d\u8d23\u58f0\u660e \u8fd9\u662f\u975e\u5e38\u56f0\u96be\u7684\u4e00\u7ae0\u3002\u8bf7\u5173\u6389\u7535\u89c6\u5148\u3002 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