{"id":1170,"date":"2011-01-14T16:49:04","date_gmt":"2011-01-14T08:49:04","guid":{"rendered":"http:\/\/www.ccttours.com\/blog\/?p=1170"},"modified":"2011-01-14T16:54:50","modified_gmt":"2011-01-14T08:54:50","slug":"sc%ef%bc%9a%e5%85%b3%e9%94%ae%e5%ad%97%e5%88%86%e9%85%8d%ef%bc%8c%e9%bc%a0%e6%a0%87%e6%8e%a7%e5%88%b6%e3%80%81%e7%ba%bf%e6%80%a7%e5%8f%8a%e6%8c%87%e6%95%b0%e5%80%bc","status":"publish","type":"post","link":"https:\/\/learn.travelchinawith.me\/?p=1170","title":{"rendered":"SC\uff1a\u5173\u952e\u5b57\u5206\u914d\uff0c\u9f20\u6807\u63a7\u5236\u3001\u7ebf\u6027\u53ca\u6307\u6570\u503c"},"content":{"rendered":"

\u5173\u952e\u5b57\u5206\u914d<\/h3>\n

\u5728\u4e4b\u524d\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4e3a\u6bcf\u6761\u6d88\u606f\u5305\u62ec\u4e86\u7edd\u5927\u90e8\u5206\u7684\u5f15\u6570\u3002\u5982\u679c\u67d0\u4e9b\u5f15\u6570\u6ca1\u6709\u63d0\u4f9b\uff0c\u5c06\u4f7f\u7528\u5176\u9ed8\u8ba4\u503c\u3002\u4e0b\u8fb9\u7684 SinOsc<\/em> \u6ca1\u6709\u5f15\u6570\uff0c\u4f46\u7167\u6837\u80fd\u8dd1\u3002\u5b83\u7528\u9ed8\u8ba4\u503c\uff1a440\uff0c0\uff0c1\u548c0\uff0c\u5206\u522b\u4ee3\u8868\u9891\u7387\u3001\u76f8\u4f4d\u3001mul\u548cadd\u3002
\n<\/p>\n

10.1. \u9ed8\u8ba4\u503c<\/strong><\/p>\n

{SinOsc.ar}.play<\/pre>\n
\u4f60\u53ef\u80fd\u4e5f\u540c\u65f6\u6ce8\u610f\u5230\uff0c\u5728\u4e4b\u524d\u7684patch\u4e2d\u6211\u4eec\u4e3a\u76f8\u4f4d\u7684\u5f15\u6570\u8f93\u5165\u4e860\uff0c\u5c3d\u7ba1\u5b83\u7684\u9ed8\u8ba4\u503c\u5c31\u662f0\u3002\u90a3\u662f\u56e0\u4e3a\u5f15\u6570\u5fc5\u987b\u88ab\u4ee5\u6b63\u786e\u7684\u987a\u5e8f\u8f93\u5165\u3002\u76f8\u4f4d\u662f\u7b2c\u4e8c\u5f15\u6570\uff0c\u800cmul\u662f\u7b2c\u4e09\u4e2a\u3002\u5982\u679c\u8981\u8bbe\u7f6emul\u7684\u8bdd\uff0c\u90a3\u6211\u4eec\u5c31\u5fc5\u987b\u4e3a\u76f8\u4f4d\u8f93\u51650\uff0c\u4f5c\u4e3a\u4e00\u4e2a\u7c7b\u4f3c\u4f4d\u7f6e\u6807\u8bb0\u4e1c\u897f\u3002<\/p>\n
\u5982\u679c\u670910\u4e2a\u5f15\u6570\u800c\u4f60\u53ea\u60f3\u6539\u53d8\u5176\u4e2d\u7b2c\u516d\u4e2a\u7684\u8bdd\uff0c\u8fd9\u5c31\u662f\u4e2a\u95ee\u9898\u3002\u4f60\u5fc5\u987b\u8f93\u5165\u524d\u4e94\u4e2a\u5f15\u6570\uff0c\u8fd9\u6837\u7684\u8bdd\uff0c\u7b2c\u516d\u4e2a\u5f15\u6570\u624d\u80fd\u4f4d\u4e8e\u6b63\u786e\u7684\u4f4d\u7f6e\u4e0a\u3002\u8fd9\u4e0d\u4ec5\u7d2f\u8d58\uff0c\u66f4\u4f1a\u4ea7\u751f\u9519\u8bef\u3002<\/p>\n
\u76f8\u5e94\u7684\u89e3\u51b3\u65b9\u6cd5\u4fbf\u662f\u5173\u952e\u5b57\u5206\u914d\u3002\u4f7f\u7528\u5173\u952e\u5b57\u53ef\u4ee5\u8ba9\u4f60\u6e05\u6670\u7684\u8868\u660e\u4f60\u9700\u8981\u66f4\u6539\u7684\u5f15\u6570\u3002\u5173\u952e\u5b57\u53ef\u4ee5\u5728\u6587\u6863\u6587\u4ef6\u4e2d\u627e\u5230\u3002SinOsc.ar<\/em> \u7684\u6587\u6863\u4e2d\u663e\u793a\uff1aSinOsc.ar(freq, phase, mul, add)\u3002\u5173\u952e\u5b57\u5373 freq, phase, mul, \u548c add\u3002\u4f7f\u7528\u5173\u952e\u5b57\u4e0d\u4ec5\u5141\u8bb8\u4f60\u4e0d\u6309\u987a\u5e8f\u8f93\u5165\u4e00\u4e2a\u5f15\u6570\uff0c\u8fd8\u80fd\u6df7\u5408\u5f15\u6570\u7684\u987a\u5e8f\u3002\u8fd9\u91cc\u662f\u7528\u5173\u952e\u5b57\u5199 SinOsc<\/em> \u7684\u4e0d\u540c\u7248\u672c\u3002\u5b83\u4eec\u5168\u90e8\u90fd\u5b8c\u5168\u8868\u793a\u540c\u6837\u7684\u610f\u601d\u3002<\/p>\n
10.2. \u5173\u952e\u5b57<\/strong><\/p>\n
{SinOsc.ar(freq: 440, phase: 0, mul: 0.4, add: 0)}.play;<\/pre>\n
{SinOsc.ar(phase: 0, freq: 440, add: 0, mul: 0.4)}.play;<\/pre>\n
{SinOsc.ar(freq: 440, mul: 0.4)}.play;<\/pre>\n
\u53e6\u4e00\u4e2a\u4f7f\u7528\u5173\u952e\u5b57\u7684\u539f\u56e0\u662f\u6e05\u6670\u3002\u5173\u952e\u5b57\u63d0\u4f9b\u4e86\u5bf9\u4e8e\u6bcf\u4e2a\u5f15\u6570\u610f\u4e49\u7684\u9610\u8ff0\uff0c\u5c31\u50cf\u7b80\u77ed\u7684\u6ce8\u91ca\u3002<\/p>\n
\u6700\u540e\u4e00\u4e2a\u4f7f\u7528\u5173\u952e\u5b57\u7684\u539f\u56e0\u662f\u53ef\u79fb\u690d\u6027\u3002\u65e9\u5148\u6211\u8bf4\u8ba4\u8bc6\u5230\u5f15\u6570\u5217\u4e0d\u53ef\u4e92\u6362\u662f\u5f88\u91cd\u8981\u7684\u3002\u8bbe\u60f3\u4e0b\u8fb9\u4e24\u884c\u4ee3\u7801\uff1aSaw.ar(100, 500, 600) \u548c SinOsc.ar(100, 500, 600)\u3002Saw<\/em> \u7684\u5f15\u6570\u662ffreq\u3001mul\u548cadd\u3002\u4f46\u5bf9 SinOsc<\/em> \u6765\u8bf4\u5219\u662ffreq\u3001phase\u3001mul\u548cadd\u3002\u56e0\u6b64\u4e24\u4e2a\u5f15\u6570\u5217\u662f\u4e0d\u53ef\u4e92\u6362\u7684\u3002\u6211\u5f53\u7136\u53ef\u4ee5\u5c06100, 500, \u548c 600\u7528\u4f5cSinOsc\u7684\u5f15\u6570\uff0c\u4f46\u5b83\u4eec\u7684\u610f\u601d\u4e0e\u7528\u5728Saw\u91cc\u662f\u5b8c\u5168\u4e0d\u540c\u7684\u3002500\u7684\u76f8\u4f4d\u6ca1\u6709\u610f\u4e49\uff0c\u6ca1\u6709add\u7684600 mul\u503c\u751f\u6210\u8d1f\u503c\uff0c\u53ef\u80fd\u5e76\u975e\u4f60\u60f3\u8981\u7684\u3002<\/p>\n
\u4f46\u5982\u6211\u4f7f\u7528\u5173\u952e\u5b57\uff08\u5047\u8bbe\u4e24\u4e2aUgen\u6709\u540c\u6837\u7684\u5173\u952e\u5b57\uff09\uff0c\u4e8e\u662f\u6211\u4fbf\u80fd\u4ea4\u6362\u5bf9\u8c61\uff1aSinOsc.ar(freq: 100, mul: 500, add: 1000) \u548c Saw.ar(freq: 100, mul: 500, add: 1000) \u5728\u4e00\u4e2apatch\u5185\u5c06\u4f1a\u6709\u540c\u6837\u7684\u6548\u679c\u3002\u8b66\u544a\uff1a\u8fd9\u65e2\u53ef\u4ee5\u662f\u5371\u9669\u7684\u4e5f\u53ef\u4ee5\u662f\u610f\u5916\u7684\u73cd\u5b9d\u3002\u4f60\u5e94\u59cb\u7ec8\u4ed4\u7ec6\u68c0\u67e5\u5173\u952e\u5b57\u5e76\u5f04\u61c2\u5b83\u4eec\u5728\u4e00\u4e2apatch\u91cc\u7684\u610f\u601d\u3002<\/p>\n
\u8fd9\u662f\u7b2c\u4e00\u4e2a\u4f7f\u7528\u5173\u952e\u5b57\u4f34\u968f\u5371\u9669\u4ea4\u6362\uff08dangerous swapping\uff09\u7684patch\u3002<\/p>\n
10.3. \u4f7f\u7528\u5173\u952e\u5b57\u7b2c\u4e00\u4f8b<\/strong><\/p>\n
{SinOsc.ar(freq: LFNoise0.ar(freq: [10, 15], mul: 400, add: 800), mul: 0.3)}.play<\/pre>\n
{Saw.ar(freq: LFNoise0.ar(freq: [10, 15], mul: 400, add: 800), mul: 0.3)}.play<\/pre>\n
{SinOsc.ar(freq: LFNoise1.ar(freq: [10, 15], mul: 400, add: 800), mul: 0.3)}.play<\/pre>\n
{Pulse.ar(freq: LFNoise1.ar(freq: [10, 15], mul: 400, add: 800), mul: 0.3)}.play<\/pre>\n
{Pulse.ar(freq: LFSaw.ar(freq: [10, 15], mul: 400, add: 800), mul: 0.3)}.play<\/pre>\n
{LFTri.ar(freq: LFPulse.ar(freq: [10, 15], mul: 400, add: 800), mul: 0.3)}.play<\/pre>\n
{LFTri.ar(freq: LFTri.ar(freq: [10, 15], mul: 400, add: 800), mul: 0.3)}.play<\/pre>\n
MouseX.kr \u548c MouseY.kr<\/h3>\n
\u4e0a\u4f8b\u4e2d\uff0c\u6211\u4eec\u6539\u53d8\u6bcf\u4e2a\u503c\uff0c\u8fd0\u884c\u4ee3\u7801\uff0c\u7136\u540e\u6539\u53d8\u503c\u518d\u8fd0\u884c\u3002\u4f60\u53ef\u80fd\u4f1a\u5e0c\u671b\u80fd\u641e\u4e00\u4e2a\u7c7b\u4f3c\u65cb\u94ae\u7684\u4e1c\u897f\uff0c\u8fd9\u6837\u4f60\u4fbf\u53ef\u4ee5\u4e00\u6b21\u5c1d\u8bd5\u4e00\u5b9a\u8303\u56f4\u5185\u7684\u503c\u3002\u8fd9\u4fbf\u662f MouseX.kr<\/em> \u548c MouseY.kr<\/em> \u5c06\u8981\u505a\u7684\u4e8b\u60c5\u3002\u5b83\u4eec\u5c06\u9f20\u6807\u8fd0\u52a8\u548c\u4f4d\u7f6e\u4f5c\u4e3a\u503c\u4f20\u9012\u7ed9patch\u4f7f\u7528\u3002\u524d\u4e09\u4e2a\u5f15\u6570\u662fminval, maxval, warp\u3002<\/p>\n
\u8fd9\u4e9bUGen\u53ef\u4ee5\u5c06\u4efb\u4f55\u9759\u6001\u503c\u66ff\u6362\u4e3a\u4e0e\u9f20\u6807\u4f4d\u7f6e\u5bf9\u5e94\u7684\u4e00\u7cfb\u5217\u503c\u3002\u4f5c\u4e3a\u8bf4\u660e\uff0c\u5c1d\u8bd5\u4e0b\u4f8b\uff0c\u6211\u7528 MouseX \u66ff\u6362\u4e86 LFNoise0 \u7684\u7b2c\u4e00\u5f15\u6570\u3002<\/p>\n
10.4. MouseX<\/strong><\/p>\n
{SinOsc.ar(LFNoise0.ar(MouseX.kr(1, 50), 500, 600), mul: 0.5)}.play;<\/pre>\n
\u6bd4\u6539\u4e86\u8bd5\u3001\u8bd5\u4e86\u6539\u7b80\u5355\u8bb8\u591a\u5427\uff1f<\/p>\n
\u4e0b\u4f8b\u4e2d\uff0cMouseY<\/em>\uff08Y\u8f74\u662f\u4ece\u4e0a\u5230\u4e0b\uff09\u88ab\u7528\u6765\u63a7\u5236\u632f\u5e45\u3002minival\u662f0.9\uff0cmaxval\u662f0.0\u3002\u8fd9\u770b\u8d77\u6765\u6574\u5012\u4e86\uff0c\u4f46\u9f20\u6807\u6700\u5c0f\u503c\u7684\u4f4d\u7f6e\u5b9e\u9645\u4e0a\u662f\u8367\u5e55\u9876\u7aef\uff0c\u6700\u5927\u503c\u662f\u5e95\u90e8\uff0c\u6211\u89c9\u5f97\u9876\u7aef\u662f0.9\u66f4\u5bb9\u6613\u7406\u89e3\u3002\u53e6\u4e00\u4f8b\u52a0\u5165\u4e86MouseX<\/em>\u63a7\u5236\u9891\u7387\u3002\u6700\u5c0f\u503c\u662fA220\uff0c\u6700\u5927\u503c\u9ad8\u4e24\u4e2a\u516b\u5ea6\uff0c\u6216880\u3002\u7531\u4e8e\u9f20\u6807\u7684\u52a8\u4f5c\u6a2a\u8de8\u4e24\u4e2a\u516b\u5ea6\uff0c\u4f60\u53ef\u80fd\u53ef\u4ee5\u7528\u5b83\u6765\u6f14\u594f\u4e00\u5c0f\u6bb5\u66f2\u5b50\u3002\u9996\u5148\u5c1d\u8bd5\u4e00\u4e2a\u516b\u5ea6\uff0c\u7136\u540e\u4e94\u5ea6\uff0c\u7136\u540e\u4e00\u4e2a\u97f3\u9636\u3002\u8bd5\u8bd5\u4f60\u80fd\u5426\u6f14\u594f\u4e00\u4e2a\u7b80\u5355\u7684\u66f2\u5b50\uff0c\u6bd4\u5982\u4e00\u95ea\u4e00\u95ea\u4eae\u6676\u6676\uff0c\u6ee1\u5929\u90fd\u662f\u5c0f\u661f\u661f\uff08\u8bd1\u8005\u6ce8\uff1a\u539f\u6587\u8fd9\u91cc\u7684\u66f2\u5b50\u4e3a\u201cMary Had a Little Lamb\u201d\uff09\u3002<\/p>\n
10.5. \u9f20\u6807\u63a7\u5236<\/strong><\/p>\n
{SinOsc.ar(440, mul: MouseY.kr(0.9, 0))}.play;<\/pre>\n
{SinOsc.ar(MouseX.kr(220, 880), mul: 0.3)}.play;<\/pre>\n
\u4e00\u4e2a\u96be\u4ee5\u6f14\u594f\u6210\u66f2\u7684\u539f\u56e0\u662f\uff0c\u97f3\u4e0e\u97f3\u4e4b\u95f4\u7684\u8ddd\u79bb\u5e76\u975e\u603b\u662f\u59cb\u7ec8\u5982\u4e00\u7684\u8de8\u8fc7\u8367\u5e55\u3002\u56e0\u4e3a\u5b58\u5728\u4e24\u4e2a\u516b\u5ea6\uff0c\u4f60\u53ef\u80fd\u4f1a\u8ba4\u4e3a\u7b2c\u4e00\u4e2a\u516b\u5ea6\u4f4d\u4e8e\u8367\u5e55\u7684\u4e2d\u90e8\uff0c\u4f46\u5b9e\u9645\u4e0a\u4f60\u4f1a\u53d1\u73b0\u5b83\u5927\u6982\u4f4d\u4e8e1\/3\u7684\u5730\u65b9\uff0c\u7136\u540e\u7b2c\u4e8c\u4e2a\u516b\u5ea6\u8de8\u8fc7\u5269\u4e0b\u76842\/3\u3002\uff08\u6ce8\u610f\u5728\u5c0f\u63d0\u7434\u3001\u4e2d\u63d0\u7434\u957f\u53f7\u7b49\u4e0a\u8fb9\u4e5f\u5b58\u5728\u540c\u6837\u7684\u5206\u5e03\uff0c\u53ea\u4e0d\u8fc7\u662f\u76f8\u53cd\u7684\u65b9\u5411\u3002\u5373\uff0c\u968f\u7740\u97f3\u9ad8\u7684\u4e0a\u5347\uff0c\u76f8\u4f3c\u97f3\u7a0b\u95f4\u8ddd\u5728\u6307\u677f\u4e0a\u7684\u8ddd\u79bb\u5728\u9010\u6e10\u51cf\u5c0f\u3002\uff09<\/p>\n
\u771f\u76f8\u662f\uff0c\u8ddd\u79bb\u662f\u59cb\u7ec8\u5982\u4e00\u7684\uff1a\u5b83\u4eec\u662f\u7ebf\u6027\u7684\u3002\u95ee\u9898\u5728\u4e8e\u6211\u4eec\u5bf9\u97f3\u7684\u611f\u77e5\u3002\u6211\u4eec\u4ee5\u516b\u5ea6\u6765\u542c\u97f3\u4e50\uff0c\u800c\u516b\u5ea6\u662f\u6307\u6570\uff0c\u975e\u7ebf\u6027\u7684\u3002\u4f4e\u516b\u5ea6\uff08\u6bd4\u5982110\u5230220\uff09\u4e0e\u66f4\u9ad8\u7684\u516b\u5ea6\uff081760\u52303520\uff1a1760\u7684\u5dee\u503c\uff09\u76f8\u6bd4\uff0c\u5176\u95f4\u6539\u53d8\u7684\u603b\u91cf\u66f4\u5c0f\uff08110\uff09\u3002\u5728220\u5230880\u7684\u7ebf\u6027\u8303\u56f4\u5185\uff0c\u8367\u5e55\u7684\u4e2d\u592e\u5e94\u4e3a550\u3002\u4f46\u5982\u679c\u6211\u4eec\u6b32\u7528\u8367\u5e55\u6765\u8868\u8ff0\u97f3\u9636\uff0c\u4e2d\u592e\u5e94\u4e3a440\uff0c\u5de6\u534a\u90e8\u5206\u7528\u4ee5\u8868\u8ff0220\u5230440\u4e4b\u95f4\uff08220\u7684\u5dee\u503c\uff09\u7684\u97f3\uff0c\u53f3\u534a\u90e8\u5206\u5e94\u7ed9440\u5230880\uff08440\u7684\u5dee\u503c\uff09\u3002\u8fd9\u4e2a\u66f4\u5408\u4e4e\u903b\u8f91\u7684\u8ddf\u8e2a\uff08tracking\uff09\u53ef\u7531warp\u53c2\u6570\u6765\u5e94\u7528\u3002warp\u503c\u7531\u4e00\u4e2a\u7b26\u53f7\uff08\u5355\u5f15\u53f7\u4e2d\u7684\u8bcd\uff09\u8bbe\u7f6e\uff0c\u53ef\u4ee5\u662flinear\uff08\u7ebf\u6027\u7684\uff09\u6216 exponential\uff08\u6307\u6570\u7684\uff09\u3002\u4f60\u4e5f\u53ef\u4ee5\u8f93\u51650\u8868\u793a\u7ebf\u6027\uff0c\u8f93\u51651\u8868\u793a\u6307\u6570\u3002\u5c1d\u8bd5\u7528\u4e0b\u8fb9\u7684\u8c03\u6574\u6f14\u594f\u65cb\u5f8b\u6216\u4e3b\u97f3\u9636\u3002\u4f60\u4f1a\u6ce8\u610f\u5230\u5f53\u4f7f\u7528\u7ebf\u6027warp\u65f6\uff0c\u5168\u90e8\u97f3\u9636\u90fd\u4f1a\u5728\u8367\u5e55\u4e0a\u5e73\u5747\u5206\u5e03\u3002<\/p>\n
10.6. \u6307\u6570\u6539\u53d8<\/strong><\/p>\n
{SinOsc.ar(MouseX.kr(220, 880, 'exponential'), mul: 0.3)}.play;<\/pre>\n
\u6216\u8005<\/p>\n
{SinOsc.ar(MouseX.kr(220, 880, 1), mul: 0.3)}.play<\/pre>\n
\u6309\u7167\u60ef\u4f8b\uff0c\u4f60\u4f1a\u60f3\u8981\u4f7f\u7528\u6307\u6570\u503c\u6765\u5904\u7406\u9891\u7387\u3002<\/p>\n
\u6307\u6570\u503c\u66f4\u9002\u4e8e\u505a\u97f3\u8c03\u63a7\u5236\u7684\u6620\u5c04\uff0c\u4f46\u5f53\u9009\u62e9\u8de8\u8d8a\u4e00\u6bb5\u9891\u8c31\u7684\u9891\u7387\u65f6\u540c\u6837\u91cd\u8981\u3002\u540c\u6837\u5730\uff0c\u6211\u4eec\u5728\u6bcf\u4e2a\u516b\u5ea6\u4e2d\uff08\u611f\u89c9\u97f3\u662f\u201c\u76f8\u7b49\u7684\u201d\u5206\u5e03\uff09\u8046\u542c\u97f3\u4e50\uff08\u4e5f\u5c31\u662f\u97f3\u8c03\uff09\u3002\u4ee5\u4e0b\u662f\u4e2d\u592eC\u7684\u516d\u4e2a\u516b\u5ea6\u53ca\u5b83\u4eec\u76f8\u5e94\u7684\u9891\u7387\u3002\u6ce8\u610fC1\u5230C5\u95f4\u7684\u7ebf\u6027\u8ddd\u79bb\uff0832\u5230523\uff0c\u5927\u6982500\uff09\u51e0\u4e4e\u4e0eC5\u5230C6\uff08523\u52301046\uff0c\u5927\u6982500\uff09\u95f4\u7684\u76f8\u7b49\u3002<\/p>\n
\"\u97f3\u4e0e\u9891\u7387\u5bf9\u7167\u56fe\"<\/a>
\u97f3\u4e0e\u9891\u7387\u5bf9\u7167\u56fe<\/figcaption><\/figure>\n
\u7b80\u8a00\u4e4b\uff0c\u968f\u7740\u97f3\u8c03\u7684\u5347\u9ad8\uff0c\u6211\u4eec\u901a\u8fc7\u66f4\u8fdc\u7684\u8ddd\u79bb\u6765\u542c\u5230\u201c\u76f8\u540c\u201d\u3002\u6bcf\u4e2a\u516b\u5ea6\u4ee5\u6307\u6570\u65b9\u5f0f\u500d\u589e\u3002<\/p>\n
10.7. \u6307\u6570\u7684\u9009\u62e9<\/strong><\/p>\n
{rrand(30, 4000.0)}.dup(20).sort.round(0.1)<\/pre>\n
{exprand(30, 4000.0)}.dup(20).sort.round(0.1)<\/pre>\n
\u6211\u5f15\u5165 MouseX \u548c Y \u4f5c\u4e3a\u5de5\u5177\u6d4b\u8bd5\u97f3\u8c03\u7684\u503c\u4ee5\u53ca\u8fdb\u884c\u5b9e\u65f6\u5b9e\u9a8c\uff0c\u8fd9\u4e0d\u7981\u8ba9\u4eba\u8054\u60f3\u8d77\u6700\u65e9\u671f\u7684\uff08\u5e76\u4e14\u4e5f\u975e\u5e38\u6210\u529f\u7684\uff09\u7535\u5b50\u4e50\u5668\uff1a\u6cf0\u52d2\u540d\u7535\u5b50\u7434<\/a>\u3002\u6cf0\u52d2\u540d\u7434\u901a\u8fc7\u6f14\u594f\u8005\u7684\u624b\u63a5\u8fd1\u5929\u7ebf\u548c\u7a81\u51fa\u73af\uff08protruding loop\uff09\u63a7\u5236\u97f3\u8c03\u548c\u632f\u5e45\u3002\u6f14\u594f\u8005\u901a\u8fc7\u5c06\u624b\u5411\u5929\u7ebf\u6216\u73af\u79fb\u8fd1\u3001\u79fb\u8fdc\u7684\u52a8\u4f5c\u201c\u6f14\u594f\u201d\u6cf0\u52d2\u540d\u7434\u3002<\/p>\n
\u8fd0\u7528\u4e00\u4e9b\u7ec4\u4ef6\uff0c\u6211\u4eec\u505a\u4e86\u4e00\u4e2aMouseY<\/em>\u63a7\u5236\u632f\u5e45\uff0cMouseX<\/em>\u63a7\u5236\u9891\u7387\u7684\u865a\u62df\u6cf0\u52d2\u540d\u7434\u3002\u8981\u6a21\u4eff\u90a3\u79cd\u7ecf\u5178\u7684\u79d1\u5e7b\u4e4b\u97f3\uff0c\u4f60\u9700\u8981\u4f7f\u7528\u5927\u91cf\u7684\u98a4\u97f3\u3002<\/p>\n
\u79bb\u6563\u97f3\u8c03\u63a7\u5236\uff0cMIDI<\/h3>\n
\u53e6\u4e00\u4e2a\u5f88\u96be\u4f7f\u7528MouseX\u6f14\u594f\u7b80\u5355\u66f2\u5b50\u7684\u539f\u56e0\u662f\u97f3\u8c03\u7684\u6539\u53d8\u662f\u6301\u7eed\u7684\u3002\u6211\u4eec\u4e60\u60ef\u4e8e\u4ee5\u79bb\u6563\u7684\uff08\u975e\u8fde\u7eed\u7684\uff09\u97f3\u8c03\u8046\u542c\u548c\u6f14\u594f\u4e50\u5668\u3002\u4e8b\u5b9e\u4e0a\uff0c\u6f14\u594f\u6301\u7eed\u97f3\u8c03\u6539\u53d8\u7684\u4e50\u5668\uff08\u4f8b\u5982\u5c0f\u63d0\u7434\u3001\u4eba\u58f0\u3001\u957f\u53f7\uff09\uff0c\u7528\u51c6\u786e\u7684\u5224\u5b9a\u6f14\u594f\u666e\u904d\u88ab\u8ba4\u4e3a\u662f\u5f88\u8d5e\u7684\u6280\u5de7\u3002<\/p>\n
\u4e00\u4e2a\u751f\u6210\u975e\u8fde\u7eed\u97f3\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 round \u6d88\u606f\u3002\u8fd0\u884c\u4e0b\u4f8b\u8bd5\u8bd5\u662f\u5426\u4f1a\u66f4\u5bb9\u6613\u6f14\u594f\u4e2a\u66f2\u5b50\u3002<\/p>\n
10.8. \u975e\u8fde\u7eed\u503c<\/strong><\/p>\n
{SinOsc.ar(MouseX.kr(220, 880, 1).round(10), mul: 0.3)}.play<\/pre>\n
{SinOsc.ar(MouseX.kr(220, 880, 1).round(100), mul: 0.3)}.play<\/pre>\n
\u8fd9\u7ed9\u6211\u4eec\u975e\u8fde\u7eed\u7684\u97f3\u7b26\uff0c\u4f46\u5b83\u4eec\u770b\u8d77\u6765\u5e76\u4e0d\u5bf9\u3002\u97f3\u9636\u5e76\u4e0d\u6309\u7ebf\u6027\u503c\u7684\u8f68\u8ff9\u8d70\u3002round(100) \u7ed9\u6211\u4eec\u8bf8\u5982400, 500, 600\u7b49\u7b49\u7684\u503c\u3002\u4f46\u4e00\u4e2a\u59cb\u4e8e220\u7684\u534a\u97f3\u97f3\u9636\uff0c\u662f220, 233.1, 246.9, 261.6, 277.2, 293.7, 311.1, 329.6, 349.2\u3002\u5c3d\u7ba1\u8fd0\u7528\u4e00\u5207\u4f60\u77e5\u9053\u7684\u6570\u5b66\u516c\u5f0f\uff0c\u97f3\u4e0e\u97f3\u4e4b\u95f4\u7684\u6a21\u5f0f\u5e76\u975e\u80fd\u88ab\u8f7b\u677e\u5730\u53d1\u73b0\u3002\u90a3\u662f\u56e0\u4e3a\u5b83\u4eec\u4e0d\u4ec5\u662f\u6307\u6570\u503c\uff0c\u800c\u4e14\u8fd8\u57fa\u4e8e\u5e73\u5747\u5f8b\u97f3\u9636\uff08\u6211\u4eec\u5c06\u7a0d\u540e\u8003\u8651\uff09\u3002\u6211\u4eec\u9047\u5230\u4e86\u65e0\u5904\u4e0d\u5728\u7684\u63a5\u53e3\uff08interface\uff09\u95ee\u9898\uff1a\u6211\u4eec\u5c06\u97f3\u548c\u97f3\u9636\u60f3\u505a\u6570\u5b57\uff08\u5982\u679cC4\u662f0\uff0c\u90a3\u4e48E4\u4fbf\u6bd4\u5176\u9ad84\u4e2a\u94a2\u7434\u7434\u952e\uff09\uff0c\u4f46 SinOsc<\/em> \u53ea\u61c2\u5f97\u9891\u7387\u3002<\/p>\n
\u5e78\u8fd0\u7684\u662f\uff0c\u4f7f\u7528MIDI\uff0c\u6211\u4eec\u4fbf\u53ef\u4ee5\u751f\u6210\u5e73\u5747\u5f8b\u97f3\u9636\u7684\u9891\u7387\u3002SC\u61c2\u5f97MIDI\u6570\u5b57\uff0c\u5e76\u80fd\u5c06\u5b83\u4eec\u8f6c\u6362\u4e3a\u9891\u7387\u3002\u8bb0\u7740C4\u7684MIDI\u6570\u662f60\uff0c\u7136\u540e\u6bcf\u534a\u7ea7\uff08half-step\uff09\u662f1\u3002\u56e0\u6b64C5\u662f72\uff0cA4\u662f69\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002\u6240\u6709\u7684C\u662f12\u7684\u500d\u6570\uff1aC0 = 12, C1 = 24, C2 = 36, C3 = 48, C4 = 60\uff08\u5341\u4f4d\u662f\u516b\u5ea6\u6570+1\uff0c\u4e2a\u4f4d\u662f\uff08\u516b\u5ea6\u6570+1\uff09\u00d72\uff09\u3002\u8981\u5c06\u8fd9\u4e9b\u8f6c\u5316\u4e3a\u9891\u7387\uff0c\u4f7f\u7528midicps\u6d88\u606f\u3002<\/p>\n
10.9. MIDI\u8f6c\u6362<\/strong><\/p>\n
[57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71].midicps.round(0.1)<\/pre>\n
\u73b0\u5728\u56de\u5230\u6700\u521d\u90a3\u4e2a MouseX<\/em> \u63a7\u5236\u7684 patch\uff0c\u5e26\u7740\u66f4\u591a\u7684\u7591\u95ee\u3002\u6211\u4eec\u73b0\u5728\u53ef\u7528MIDI\u657057\uff08A3\uff0c\u6216220Hz\uff09\u523081\uff08A5\uff0c\u6216880Hz\uff09\u6765\u8868\u8ff0\u4e24\u4e2a\u516b\u5ea6\u7684\u8303\u56f4\u3002\u4f46\u7b49\u7b49\u5148\uff0c\u4f60\u662f\u5426\u9886\u5148\u4e86\u6211\u4e00\u6b65\uff1f\u4f60\u4f7f\u7528\u7ebf\u6027warp\u8fd8\u662f\u6307\u6570warp\uff1f\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u7528\u7ebf\u6027\uff0c\u56e0\u4e3aMIDI\u503c\u662f\u7ebf\u6027\u7684\u3002\u8fd9\u5c31\u662f\u8bf4\uff0c\u7b2c\u4e00\u4e2a\u516b\u5ea6\u95f4\u7684\u5dee\u503c\uff0857\u523069\uff09\u548c\u7b2c\u4e8c\u4e2a\u516b\u5ea6\u95f4\u7684\u5dee\u503c\uff0869\u523081\uff09\u662f\u4e00\u6837\u7684\uff1a12\u3002<\/p>\n
\u8fd9\u4e2a\u6539\u8fdbpatch\u7684\u7b2c\u4e00\u7248\u8c8c\u4f3c\u6b63\u786e\u7684\u6355\u6349\u5230\u4e86\u97f3\u7684\u8f68\u8ff9\uff0c\u4f46\u503c\u4e0d\u662f\u79bb\u6563\u7684\u3002\u90a3\u662f\u56e0\u4e3a MouseX<\/em> \u5c06\u59cb\u7ec8\u8fd4\u56de\u5206\u6570\uff08fraction\uff09\uff0c\u5373MIDI\u97f3\u4e4b\u95f4\u7684\u503c\uff0c\u6bd4\u598262.1453 \u6216 74.874\u3002\u8981\u5f3a\u5236\u5b83\u4eec\u79bb\u6563\u5316\uff0c\u6211\u4eec\u52a0\u5165round\u6d88\u606f<\/em>\uff0c\u8fd9\u5c06\u4f7f\u4ed6\u4eec\u4ee51\u9012\u589e\u6216\u9012\u51cf\u3002\uff08\u8bd5\u8bd5\u4e3a\u56db\u5206\u97f3\u548c\u5168\u97f3\u9636\u4f7f\u75280.5\u548c2.0\uff09\u3002<\/p>\n
10.10. MIDI MouseX.kr<\/strong><\/p>\n
{SinOsc.ar(MouseX.kr(59.0, 81.0).midicps, mul: 0.3)}.play<\/pre>\n
{SinOsc.ar(MouseX.kr(59.0, 81.0).round(1.0).midicps, mul: 0.3)}.play<\/pre>\n
\u4ecd\u4e0d\u6ee1\u610f\uff1f\u662f\u5426\u662f\u7531\u4e8e\u8fd9\u662f\u534a\u97f3\u97f3\u9636\u800c\u4f60\u8981\u7684\u5168\u97f3\u9636\uff1f\u8fd9\u6837\u7684\u8bdd\uff0c\u6211\u4ecb\u7ecd\u4f60\u4f7f\u7528 DegreeToKey<\/em>\uff0c\u8fd9\u8d85\u51fa\u4e86\u672c\u7ae0\u7684\u8303\u56f4\u3002\u6211\u77e5\u9053\u6700\u540e\u8fd9\u4e00\u4e24\u9875\u663e\u5f97\u6bd4\u8f83\u96be\u61c2\uff0c\u56e0\u6b64\u8fd9\u4e5f\u662f\u6307\u51fa\u97f3\u4e50\u662f\u590d\u6742\u7684\u7684\u597d\u65f6\u673a\u3002\u8fd9\u662f\u4f60\u957f\u4e45\u4ee5\u6765\u78b0\u5230\u7684\u6700\u96be\u7684\u96be\u9898\u3002\u5b83\u65e0\u5904\u4e0d\u5728\u4e14\u6613\u4e8e\u63a5\u53d7\uff08\u6bcf\u4e2a\u4eba\u90fd\u6709\u81f3\u5c11\u4e00\u79cd\u559c\u7231\u7684\u97f3\u4e50\u7c7b\u578b\uff0c\u51e0\u4e4e\u6bcf\u4e2a\u4eba\u90fd\u4f1a\u5531\u6b4c\uff09\uff0c\u7136\u800c\u5b83\u5982\u4f55\u8fd0\u4f5c\u7684\u7ec6\u8282\u751a\u81f3\u53ef\u4ee5\u5c06\u6700\u806a\u660e\u7684\u8111\u888b\u641e\u5230\u77ed\u8def\u3002<\/p>\n
\u5176\u4ed6\u5916\u90e8\u63a7\u5236<\/h3>\n
\u8fd8\u6709\u5176\u4ed6\u5728patch\u5185\u5c06\u5916\u90e8\u63a7\u5236\u8fde\u63a5\u5230\u503c\u7684\u65b9\u6cd5\u3002\u5982\u679c\u4f60\u6709\u4e00\u5757Wacom\u8f93\u5165\u677f\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528TabletX, TabletY<\/em>, \u548c TabletZ<\/em>\u3002\u4f60\u8fd8\u53ef\u4ee5\u5c06\u63a7\u5236\u8fde\u63a5\u5230\u5916\u90e8MIDI\u63a7\u5236\u754c\u9762\u6216\u952e\u76d8\u3002\u4f60\u53ef\u4ee5\u5c06\u884c\u4e3a\u9644\u5230\u7535\u8111\u952e\u76d8\u4e0a\uff08keystate\uff09\u6216\u7528\u6309\u94ae\u548c\u6ed1\u6746\u7684GUI\u3002\u8fd9\u4e9b\u5bf9\u4e8e\u76ee\u524d\u6211\u4eec\u5bf9\u5b66\u4e60\u6765\u8bf4\u90fd\u663e\u5f97\u8fc7\u4e8e\u590d\u6742\u3002\u73b0\u5728\uff0c\u6211\u53ea\u60f3\u805a\u7126\u4e8e\u5185\u90e8\u81ea\u52a8\u63a7\u5236\u3002<\/p>\n
\u7ec3\u4e60<\/h3>\n
\u4e0b\u8fb9\u7684patch\u4ec5\u4f7f\u7528\u4e86\u4e24\u4e2a SinOsc<\/em> \u548c\u4e00\u4e2a LFNoise0<\/em>\uff0c\u4f46\u7531\u4e8e\u4ed6\u4eec\u76f8\u4e92\u8fde\u63a5\u7684\u65b9\u5f0f\uff08\u9891\u7387\u8c03\u5236\uff0c\u540e\u8ff0\uff09\uff0c\u5374\u4ea7\u751f\u4e86\u975e\u5e38\u4e30\u5bcc\u7684\u58f0\u97f3\u808c\u7406\u3002<\/p>\n
\u91cc\u8fb9\u6709\u56db\u4e2a\u9f20\u6807\u63a7\u5236\uff0cpatch\u7684\u5f15\u6570\u53d6\u81ea\u9f20\u6807\u4f4d\u7f6e\u3002\u4f7f\u7528\u9f20\u6807\u4f4d\u7f6e\u6765\u6316\u6398\u58f0\u97f3\u3002\u5148\u8bd5\u8bd5\u8367\u5e55\u7684\u56db\u4e2a\u89d2\uff0c\u7136\u540e\u518d\u653e\u5230\u4e2d\u90e8\u3002<\/p>\n
\u8bd5\u7740\u6539\u53d8 MouseX<\/em> \u7684\u6700\u5927\uff0812\uff09\u548c\u6700\u5c0f\uff08[1, 1]\uff09\u8303\u56f4\uff0c\u8fdb\u800c\u6539\u53d8\u97f3\u7684\u8303\u56f4\u3002\u7b2c\u4e09\u548c\u7b2c\u56db\u4f8b\u7684\u552f\u4e00\u5dee\u522b\u662fexprand\uff08\u968f\u673a\u6307\u6570\u503c\uff09\u548c rrand<\/em>\uff08\u7ebf\u6027\u6307\u6570\u503c\uff09\u3002\u6ce8\u610f\u5f53\u4f7f\u7528 rrand \u65f6\uff0c\u7edd\u5927\u591a\u6570\u90fd\u662f\u9ad8\u97f3\uff1b\u800c\u5f53\u4f7f\u7528 exprand<\/em> \u65f6\uff0c\u97f3\uff08\u5bf9\u4e8e\u6211\u4eec\u201c\u516b\u5ea6\u201d\u7684\u8033\u6735\u6765\u8bf4\uff09\u5c31\u5747\u5300\u7684\u5728\u9891\u8c31\u4e0a\u5206\u5e03\u3002\u8fd9\u4e5f\u663e\u793a\u4e86\u6211\u4eec\u7684\u8033\u6735\u5728\u542c\u6307\u6570\u4e0a\u5347\u65f6\u89c9\u5f97\u201c\u5747\u5300\u201d\uff0c\u542c\u7ebf\u6027\u65f6\u5219\u611f\u89c9\u66f4\u9760\u8fd1\u9ad8\u503c\u3002<\/p>\n
10.11. \u79d1\u5e7b\u7535\u8111<\/strong><\/p>\n
(\r\n{\r\nPMOsc.ar(\r\n         LFNoise1.kr(\r\n                MouseX.kr([1, 1], 12),\r\n                mul: MouseY.kr(10, 1000),\r\n                add: 1000),\r\n         LFNoise0.kr(\r\n                MouseX.kr([1, 1], 12),\r\n                mul: MouseY.kr(30, 1000),\r\n                add: 1000),\r\n         MouseY.kr(0.1, 5.0),\r\n         mul: 0.3)\r\n}.play\r\n)<\/pre>\n
\u4f60\u80fd\u542c\u51fa\u8fd9\u4e24\u6bb5\u4ee3\u7801\u7684\u533a\u522b\u5417\uff1f<\/p>\n
{Mix.ar( SinOsc.ar({rrand(100.0, 64000.0)}.dup(50)))*0.05}.play<\/pre>\n
{Mix.ar( SinOsc.ar({exprand(100.0, 64000.0)}.dup(50)))*0.05}.play<\/pre>\n
\u8fd9\u4e5f\u662f\u4e00\u6837\u7684\uff0c\u6211\u53ea\u662f\u52a0\u4e86\u51e0\u884c\u4ee3\u7801\u4ee5\u5217\u5370\u516b\u97f3\u5ea6\u5e26\uff08octave bands\uff09\u4e0a\u7684\u9891\u7387\u3002\u8bd5\u8bd5\u5c06 rrand<\/em> \u6362\u4e3a exprand<\/em>\u3002<\/p>\n
(\r\n{\r\no = 100.0;\r\n\"Octave Band \".post; [o, o*2].postln;\r\nMix.ar(\r\n      SinOsc.ar(\r\n            \/\/ \u7528 exprand \u66ff\u4ee3 rrand\r\n           {rrand(o, 6400)}.dup(50).sort.round(0.01).do(\r\n                 {arg i;\r\n                       if(i < (o*2),\r\n                          {i.post; \" \".post},\r\n                          {o = o*2; \"\\n\\n\".post; \"Octave band \".post;\r\n                                [o, o*2].postln; i.post; \" \".post;}\r\n                           )\r\n                 })\r\n       )\r\n)*0.1}.play\r\n)<\/pre>\n
(\r\n\/\/ \u968f\u673a\u6307\u6570\r\n{Mix.fill(12, \/\/ number of oscillators\r\n       {arg i;\r\n       Pan2.ar(SinOsc.ar(SinOsc.ar(\r\n                   freq: MouseX.kr(rrand(0.1, 5.0), rrand(3.0, 20.0)), \/\/ speed of vibrato\r\n                   mul: MouseY.kr(10, 50), \/\/ width of vibrato\r\n                   add: exprand(200, 5000)), \/\/ freq of exponential random oscillators\r\n              mul: max(0, LFNoise0.kr(MouseX.kr(rrand(1, 6), rrand(6, 1))))), 1.0.rand2)\r\n})*0.03\r\n}.play\r\n)<\/pre>\n
(\r\n\/\/ \u7ebf\u6027\u968f\u673a\u6ce2\r\n{Mix.fill(12, \/\/ \u632f\u8361\u5668\u6570\u91cf\r\n      {arg i;\r\n      Pan2.ar(SinOsc.ar(SinOsc.ar(\r\n                   freq: MouseX.kr(rrand(0.1, 5.0), rrand(3.0, 20.0)), \/\/ speed of vibrato\r\n                   mul: MouseY.kr(10, 50), \/\/ width of vibrato\r\n                   add: rrand(200, 5000)), \/\/ freq of linear random oscillators\r\n             mul: max(0, LFNoise0.kr(MouseX.kr(rrand(1, 6), rrand(6, 1))))), 1.0.rand2)\r\n})*0.03\r\n}.play\r\n)<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u5173\u952e\u5b57\u5206\u914d \u5728\u4e4b\u524d\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4e3a\u6bcf\u6761\u6d88\u606f\u5305\u62ec\u4e86\u7edd\u5927\u90e8\u5206\u7684\u5f15\u6570\u3002\u5982\u679c\u67d0\u4e9b\u5f15\u6570\u6ca1\u6709\u63d0\u4f9b\uff0c\u5c06\u4f7f\u7528\u5176\u9ed8\u8ba4\u503c\u3002\u4e0b\u8fb9\u7684 SinOsc \u6ca1\u6709\u5f15\u6570\uff0c\u4f46\u7167\u6837\u80fd\u8dd1\u3002\u5b83\u7528\u9ed8\u8ba4\u503c\uff1a440\uff0c0\uff0c1\u548c0\uff0c\u5206\u522b\u4ee3\u8868\u9891\u7387\u3001\u76f8\u4f4d\u3001mul\u548cadd\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-1170","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\/1170","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=1170"}],"version-history":[{"count":3,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/1170\/revisions"}],"predecessor-version":[{"id":1173,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/1170\/revisions\/1173"}],"wp:attachment":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}