{"id":1012,"date":"2010-02-16T16:14:49","date_gmt":"2010-02-16T08:14:49","guid":{"rendered":"http:\/\/www.ccttours.com\/blog\/?p=1012"},"modified":"2010-02-16T16:16:50","modified_gmt":"2010-02-16T08:16:50","slug":"supercollider%ef%bc%9a%e5%8c%85%e7%bb%9c","status":"publish","type":"post","link":"https:\/\/learn.travelchinawith.me\/?p=1012","title":{"rendered":"SuperCollider\uff1a\u5305\u7edc"},"content":{"rendered":"

\u968f\u65f6\u95f4\u53d8\u5316\u7684\u58f0\u97f3<\/span><\/strong><\/p>\n

\u6211\u4eec\u76ee\u524d\u5236\u9020\u7684\u58f0\u97f3\u5982\u679c\u6211\u4eec\u6211\u4eec\u4e0d\u6309\u952e\u505c\u6b62\uff0c\u90a3\u5b83\u4eec\u5c06\u6c38\u8fdc\u64ad\u653e\u4e0b\u53bb\u3002<\/p>\n

\u7edd\u5927\u591a\u6570\u65f6\u5019\uff0c\u6211\u4eec\u60f3\u8981\u5236\u9020\u7684\u90fd\u662f\u4f1a\u5728\u4e00\u4e2a\u6709\u9650\u65f6\u95f4\u5185\u8fdb\u884c\u7684\u58f0\u97f3\uff0c\u7136\u540e\u7ecf\u5b83\u4eec\u5404\u81ea\u7684\u534f\u5b9a\u505c\u6b62\u3002<\/p>\n

<\/p>\n

\u542c\u542c\u4ee5\u4e0b\u4e24\u8005\u7684\u5dee\u522b\uff1a<\/p>\n

\/\/ \u6c38\u8fdc\u8fdb\u884c\u7684\u6b63\u5f26\u632f\u8361\u5668\r\n{SinOsc.ar(440,0,0.1)}.scope<\/pre>\n
\/\/\/\/\/\/\/\/\/\/\/\/<\/p>\n
\/\/ \u6301\u7eed1\u79d2\u7684\u6b63\u5f26\u97f3\r\n{SinOsc.ar(440,0,Line.kr(0.1,0.0,1.0))}.scope<\/pre>\n
\u5728\u7b2c\u4e8c\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4f7f\u7528\u4e86\u4e00\u4e2a\u4ece0.1\u5f00\u59cb\u4f46\u4e00\u79d2\u540e\u5f52\u96f6\u7684\u7ebf\u6027\u4ea7\u751f\u5668\u4e58\u4ee5\u6b63\u5f26\u6ce2\u3002<\/p>\n
\n
\u5305\u7edc\uff08Envelope\uff09<\/span><\/strong><\/p>\n
\u603b\u4f53\u6765\u8bb2\uff0c\u6211\u4eec\u9700\u8981\u5f97\u5230\u4e00\u4e2a\u5bf9\u4e8e\u58f0\u97f3\u7684\u53c2\u6570\uff08\u6bd4\u5982\u97f3\u91cf\u6216\u9891\u7387\uff09\u968f\u65f6\u95f4\u53d8\u5316\u7684\u5b8c\u5168\u63a7\u5236\u3002<\/p>\n
\/\/ \u53c2\u9605\u5e2e\u52a9\u6587\u6863\u2014\u2014[Env] [EnvGen]<\/pre>\n
\/\/ \u5236\u4f5c\u4e00\u4e2a\u5bf9\u4e8e\u4e09\u4e2a\u63a7\u5236\u70b9\u7684\u5305\u7edc\uff0c\u5728\u7b2c\u4e00\u4e2a\u6570\u7ec4\u4e2d\u7ed9\u5b9a\u7684y\u4f4d\u7f6e\r\n\/\/ \u4ee5\u53ca\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u4e2d\u7ed9\u5b9a\u7684x\u4f4d\u7f6e\uff08\u8bf7\u67e5\u9605Env\u7684\u5e2e\u52a9\u6587\u6863\uff09\r\nEnv.new([1,0,1],[1.0,0.5]).plot<\/pre>\n
.plot<\/em><\/strong> \u63d0\u4f9b\u4e86\u4e00\u4e2a\u67e5\u770b\u5305\u7edc\u7ebf\u7684\u5feb\u6377\u65b9\u5f0f\u2014\u2014\u6211\u4eec\u4e0d\u4f7f\u7528\u5b83\u8fdb\u884c\u5408\u6210\uff0c\u4f46\u662f\u5b83\u5e2e\u52a9\u6211\u4eec\u770b\u5230\u4e00\u4e9b\u5305\u7edc\u7684\u5f62\u72b6\u3002<\/p>\n
\u5404\u5f0f\u5305\u7edc\uff08\u540e\u4e24\u6761\u4ee3\u7801\u5404\u79cd\u5f15\u6570\u5bf9\u5305\u7edc\u7ebf\u9020\u6210\u7684\u5f71\u54cd\u63a8\u8350\u4f60\u5bf9\u7167\u56fe\u5f62\u5316\u754c\u9762\u7684\u5408\u6210\u5668\u8f6f\u4ef6\u8fdb\u884c\u5b66\u4e60\uff09\uff1a<\/p>\n
\/\/ \u4e00\u79d2\u4ece0\u52301\uff0c\u800c\u540e\u534a\u79d2\u4ece1\u52300\r\nEnv.new([0,1,0],[1.0,0.5]).plot<\/pre>\n
\/\/\/\/\/\/\/\/\/<\/p>\n
\/\/ linen\u7684\u53ef\u7528\u5f15\u6570: attack, sustain, release, level, curve\r\nEnv.linen(0.03,0.5,0.1).plot<\/pre>\n
\/\/\/\/\/\/\/\/\/<\/p>\n
\/\/ attack, decay, sustain level, release, level, curve\r\nEnv.adsr(0.01, 0.5, 0.5, 0.1).plot<\/pre>\n
\u8fd9\u513f\u662f\u53e6\u4e00\u79cd\u7c7b\u578b\u7684\u5305\u7edc\uff0c\u9002\u4e8e\u5236\u4f5c\u6253\u51fb\u4e50\u97f3\uff1a<\/p>\n
\/\/ \u5f15\u6570attack, release, level, curve\u2014\u2014\u9002\u4e8e\u6253\u51fb\u4e50\u5305\u7edc\r\nEnv.perc(0.05,0.5,1.0,0).plot<\/pre>\n
\u9664\u6b64\u4ee5\u5916\uff0c\u8fd8\u6709\u5f88\u591a\u5f88\u591a\u7c7b\u578b\u7684\u5305\u7edc\u7b49\u5f85\u6211\u4eec\u7684\u63a2\u7d22\u548c\u4f7f\u7528\u3002<\/p>\n
\n
\u8ba9\u6211\u4eec\u5f00\u59cb\u4e3a\u5408\u6210\u4f7f\u7528\u5305\u7edc\u3002\u6211\u4eec\u4f7f\u7528EnvGen<\/span><\/em><\/span>\u4e0d\u65ad\u8fd0\u884c\u6211\u4eec\u60f3\u8981\u7684\u5305\u7edc\u3002<\/p>\n
\u8fd9\u662f\u6211\u4eec\u5c06\u8981\u8fd0\u884c\u7684\u5305\u7edc\uff1a<\/p>\n
Env.new([1,0],[1.0]).plot<\/pre>\n
\u8fd9\u4ec5\u4ec5\u662f\u8fd0\u884c\u5305\u7edc\u2014\u2014\u8fd9\u5bf9\u542c\u5230\u4efb\u4f55\u58f0\u97f3\u6765\u8bf4\u592a\u6162\u4e86\uff08\u4f60\u7684\u53cc\u8033\u4ec5\u80fd\u542c\u523016-20Hz\u4ee5\u4e0a\u7684\u58f0\u97f3\uff09<\/p>\n
{EnvGen.ar(Env.new([1,0],[1.0]))}.scope<\/pre>\n
\u7528\u4e00\u76f4\u8fd0\u884c\u7684\u5305\u7edc\u4e58\u4ee5\u4e00\u4e2a440Hz\u7684\u666e\u901a\u7684\u6b63\u5f26\u97f3\uff0c\u6765\u5236\u9020\u4e00\u4e2a\u6709\u9650\u6301\u7eed\u7684\u58f0\u97f3<\/p>\n
{SinOsc.ar(440,0,0.1)*EnvGen.kr(Env.new([1,0],[1.0]))}.scope<\/pre>\n
\n
\u8ba9\u6211\u4eec\u5c1d\u8bd5\u4e00\u4e2a\u7a0d\u5fae\u590d\u6742\u4e00\u4e9b\u7684\u4f8b\u5b50<\/p>\n
\u6211\u5c06\u5bf9\u9891\u7387\u4f7f\u7528\u4e00\u4e2a\u5305\u7edc\uff1a<\/p>\n
Env.new([1000,20],[1.0]).plot<\/pre>\n
\u628aEnvGen<\/em><\/span>\u63d2\u5165Saw<\/em><\/span>\u6ce2\u7684\u9891\u7387\u8f93\u5165\uff1a<\/p>\n
{Saw.ar(EnvGen.ar(Env.new([1000,20],[1.0])),0.1)}.scope<\/pre>\n
\n
\u73b0\u5728\u6765\u4e2a\u66f4\u590d\u6742\u7684\uff0c\u6211\u5c06\u57280.5\u79d2\u5185\u8c03\u6574Saw<\/span><\/em>\u7684\u9891\u7387\uff0c\u7136\u540e\u4f7f\u5f97\u5b83\u7684\u632f\u5e45\u57282\u79d2\u5185\u5f52\u96f6\uff1a<\/p>\n
{Saw.ar(EnvGen.ar(Env.new([10000,20],[0.5])),EnvGen.ar(Env.new([0.1,0],[2.0])))}.scope<\/pre>\n
\n
\u7531\u6b64\u53ef\u89c1\uff0c\u7a0b\u5e8f\u7684\u5d4c\u5957\u53ef\u4ee5\u6162\u6162\u53d8\u5f97\u4f55\u5176\u7684\u590d\u6742\uff0c\u800c\u4e14\u96be\u4ee5\u89e3\u8bfb\u5176\u8fdb\u7a0b\u3002\u4f46\u5982\u679c\u5206\u6210\u51e0\u884c\u6765\u5199\u7684\u8bdd\uff0c\u60c5\u51b5\u4f1a\u597d\u5f97\u591a\uff1a<\/p>\n
({\r\n\tSaw.ar(\r\n\t\tEnvGen.kr(Env.new([10000,20],[0.5])),  \/\/ \u9891\u7387\u8f93\u5165\r\n\t\tEnvGen.kr(Env.new([0.1,0],[2.0]))      \/\/ \u632f\u5e45\u8f93\u5165\r\n\t)\r\n}.scope\r\n)<\/pre>\n
\u5728SuperCollider\u4e2d\uff0c\u4f60\u4f1a\u53d1\u89c9\u81ea\u5df1\u603b\u5728\u8ddf\u4ec0\u4e48UGen\u63d2\u5165\u4e86\u4ec0\u4e48UGen\u91cc\u8fb9\u8f83\u52b2\uff0c\u6240\u6709\u90fd\u5199\u4e3a\u6587\u672c\u3002\u8bb0\u4f4f\u3002\u4f60\u4e3a\u5404\u79cd\u8fde\u63a5\u5728\u7eb8\u4e0a\u753b\u4e0b\u4e00\u4e2a\u6d41\u7a0b\u56fe\u7684\u65b9\u5f0f\u5c06\u5bf9\u4f60\u5f88\u6709\u5e2e\u52a9\u3002<\/p>\n
\n
\u6211\u91cd\u5199\u5b83\u65f6\u505a\u4e86\u4e00\u70b9\u5fae\u5c0f\u7684\u53d8\u5316\u2014\u2014\u6211\u8fd0\u884c\u4e86EnvGen<\/span><\/em>\u7684 ar<\/em><\/strong> \u63a7\u5236\u7387\uff08.kr)\u800c\u4e0d\u662f\u97f3\u9891\u7387(.ar)\u3002<\/p>\n
\u6211\u4eec\u5c1d\u8bd5\u8fc7 .kr<\/em><\/strong> \u548c .ar<\/em><\/strong>\uff0c\u5b9e\u9645\u8bc1\u660e\u5bf9\u6211\u4eec\u7684\u8033\u6735\u6765\u8bf4\uff0c\u4e24\u8005\u5e76\u65e0\u5b9e\u8d28\u533a\u522b\u3002<\/p>\n
\u6211\u4eec\u5728\u53ef\u80fd\u7684\u60c5\u51b5\u4e0b\u5e38\u4f7f\u7528 .kr<\/em><\/strong>\uff0c\u56e0\u4e3a\u5b83\u610f\u5473\u7740\u4e00\u4e2a\u66f4\u4f4e\u7684CPU\u5360\u7528\uff0c\u4ece\u800c\u53ef\u4ee5\u4e00\u6b21\u8fd0\u884c\u5f88\u591a\u4e2a\u632f\u8361\u5668\u3002<\/p>\n
\n
\u5305\u7edc\u6709\u4e2a\u9996\u8981\u7684\u8fdb\u4e00\u6b65\u4f5c\u7528\u2014\u2014\u4e00\u65e6\u4e00\u4e2a\u4e58\u6cd5\u5305\u7edc\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u8fd0\u884c\uff0c\u5b83\u4eec\u53ef\u4ee5\u5bfc\u81f4\u4e00\u4e2a\u6b63\u5728\u8fd0\u884c\u7684UGen\u96c6\u7fa4\u88ab\u91ca\u653e\u3002<\/p>\n
\u4f60\u53ef\u4ee5\u5728\u97f3\u4e50\u73b0\u573a\u770b\u5230\u8fd9\u4e2a\u4f18\u70b9\u2014\u2014\u4f60\u4e0d\u60f3\u8981\u5f53\u4f60\u5728\u53ef\u4ee5\u5408\u6210\u65b0\u7684\u58f0\u97f3\u7684\u65f6\u5019\uff0c\u6240\u6709\u7684\u58f0\u97f3\u90fd\u8fd8\u4e00\u76f4\u6302\u5728\u90a3\u5360\u7528\u4f60\u7684CPU\uff0c\u5bf9\u5427\uff1f<\/p>\n
\/\/FM\u58f0\u97f3\r\n({\r\nSinOsc.ar(\r\n\tSinOsc.ar(10,0,10,440),\r\n\t0.0,\r\n\tEnvGen.kr(Env.new([0.5,0.0],[1.0]), doneAction:2)\r\n\t)\r\n}.scope\r\n)<\/pre>\n
\u5f15\u6570 doneAction<\/em><\/strong> \u610f\u5473\u7740\u5305\u7edc\u5b8c\u6210\uff0c\u5bfc\u81f4\u5176\u4e2d\u7684\u5408\u6210\u5668\u88ab\u91ca\u653e\u3002<\/p>\n
\u552f\u4e00\u6709\u5173\u7cfb\u7684\u4e00\u4ef6\u4e8b\u662f\u5305\u7edc\u7ef4\u6301\u591a\u957f\u65f6\u95f4\uff0c\u63a5\u4e0b\u6765\u7684\u4ee3\u7801\u540c\u6837\u5728\u5305\u7edc\u5b8c\u6210\u540e\u8fdb\u884c\u91ca\u653e\uff1a<\/p>\n
{Saw.ar(EnvGen.kr(Env.new([500,100],[1.0]),doneAction:2),0.1)}.scope<\/pre>\n
\u6ce8\u610f\u89c2\u5bdfinternal server\u8fd4\u56de\u7684\u4fe1\u606f\u3002<\/p>\n
\n
\u6211\u4eec\u5df2\u7ecf\u770b\u5230\u5176\u5b83\u4e00\u4e9b\u540c\u6837\u53ef\u4ee5\u7528\u505a\u5305\u7edc\u7684UGen\u3002\u5b83\u4eec\u4e5f\u53ef\u7528\u4e8e\u91ca\u653e\uff1a<\/p>\n
Line\t\t\/\/ \u76f4\u7ebf\u751f\u6210\u5668<\/pre>\n
XLine\t\t\/\/ \u6307\u6570\u7ebf\u751f\u6210\u5668<\/pre>\n
\/\/\/\/\/\/\/\/\/<\/p>\n
{Saw.ar(SinOsc.ar(1,0,10,440),Line.kr(0,1,1,doneAction:2))}.scope<\/pre>\n
{Saw.ar(SinOsc.ar(1,0,10,440),XLine.kr(0.0001,1,1,doneAction:2))}.scope<\/pre>\n","protected":false},"excerpt":{"rendered":"
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