{"id":1071,"date":"2010-03-14T15:03:24","date_gmt":"2010-03-14T07:03:24","guid":{"rendered":"http:\/\/www.ccttours.com\/blog\/?p=1071"},"modified":"2010-03-25T10:55:00","modified_gmt":"2010-03-25T02:55:00","slug":"supercollider%ef%bc%9a%e8%b0%83%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/learn.travelchinawith.me\/?p=1071","title":{"rendered":"SuperCollider\uff1a\u8c03\u5ea6"},"content":{"rendered":"

Scheduling<\/strong><\/span><\/p>\n

\u4e00\u4e9b\u76f8\u5173\u7684\u5e2e\u52a9\u6587\u6863
\n[SystemClock<\/span>]
\n[TempoClock<\/span>]
\n[AppClock<\/span>]<\/p>\n

\/\/ \u8f7d\u5165\u6211\u5148\u2014\u2014\u8fd9\u4e2a\u58f0\u97f3\u5c06\u88ab\u7528\u4e8e\u8bb0\u4e0b\u6765\u7684\u8c03\u5ea6\u5c0f\u6837\r\n\/\/ \u6211\u4eec\u73b0\u5728\u8fd0\u7528SynthDef\u548cSynth\uff0c\u8fd9\u5f88\u91cd\u8981\r\n\/\/ \u6ce8\u610fdoneAction\uff01\r\n(\r\nSynthDef(\\bleep,{ arg out=0, note=60, amp=0.5, pan=0.0;\r\n\tvar freq, env;\r\n\tfreq = note.midicps;\r\n\tenv = EnvGen.ar(\r\n\t\t\t\t\tEnv([0,1,1,0],[0.01, 0.1, 0.2]),\r\n\t\t\t\t\tlevelScale:amp,\r\n\t\t\t\t\tdoneAction:2\r\n\t\t\t\t);\r\n\tOut.ar(out,\r\n\t\tPan2.ar(Blip.ar(freq) * env, pan)\r\n\t)\r\n}).load(s);\r\n)<\/pre>\n
\u8fd9\u4e2aSynthDef<\/em><\/span>\u4f7f\u7528\u4e86\u4e00\u4e2adoneAction<\/em>\u4e3a2\u7684\u5305\u7edc\uff0c\u8fd9\u4f7f\u5f97\u4e00\u4e2a\u5408\u6210\u5668\u7531\u5b9a\u4e49\u5236\u9020\uff0c\u5e76\u4e14\u5728\u5305\u7edc\u7ed3\u675f\u540e\u91ca\u653e\uff08deallocate\uff09\u81ea\u8eab\u3002\u8fd9\u81f3\u5173\u91cd\u8981\uff0c\u5426\u5219\u5728\u6211\u4eec\u8f7d\u5165\u5b83\u540e\u5b83\u4f1a\u6c38\u8fdc\u6302\u5728\u90a3\uff01<\/p>\n
\n
\u4f60\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u7684\u5efa\u7acb\u4e00\u4e2a\u91cd\u590d\u673a\u5236\u3002\u5168\u5c40\u7684SystemClock<\/em><\/span>\u4ee5\u79d2\u8fdb\u884c\u8c03\u5ea6\u3002SystemClock<\/em><\/span>\u662f\u6700\u503c\u5f97\u4fe1\u8d56\u7684\u65f6\u949f\u3002<\/p>\n
\/\/ \u4ece\u8ddd\u73b0\u57280\u79d2\u5f00\u59cb\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u4e4b\u540e\u6bcf1\u79d2\u91cd\u590d\u4e00\u6b21\r\n(\r\nSystemClock.sched(0.0,\/\/\u4ece\u8ddd\u73b0\u57280\u79d2\u5f00\u59cb\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u5373\uff0c\u7acb\u9a6c\r\n\t{\/\/\u4e00\u4e2a\u8868\u660e\u4f60\u5e0c\u671b\u8c03\u5ea6\u4ec0\u4e48\u7684\u51fd\u6570\r\n\t\tSynth(\\bleep);\r\n\t\t1\t\t\/\/\u6bcf10\u79d2\u91cd\u590d\u4e00\u6b21\r\n\t}\r\n)\r\n)<\/pre>\n
\uff08\u6700\u540e\u4ece\u51fd\u6570\u8fd4\u56de\u7684\u4e1c\u897f\u662f\u51fd\u6570\u88ab\u8c03\u7528\u7684\u95f4\u9694\u65f6\u95f4\uff1b\u4f60\u53ef\u4ee5\u8fd4\u56de\u4e00\u4e2a\u6570\u5b57\uff0c\u6216nil<\/em>\uff1bnil<\/em>\u5c06\u505c\u6b62\u8c03\u5ea6\uff09<\/p>\n
<\/p>\n
\u5728\u4f60\u6309\u4e0bcmd+\u53e5\u53f7\u952e\u7684\u540c\u65f6\uff0c\u6240\u6709\u8c03\u5ea6\u4e5f\u90fd\u5c06\u505c\u6b62\u3002<\/p>\n
\n
\u4e0b\u8fb9\u662f\u4e00\u4e2a\u7c7b\u4f3c\u7684\u4f8b\u5b50\uff0c\u5c06\u5f15\u6570\u4f20\u9012\u5165\u6bcf\u4e2a\u65b0\u7684Synth<\/em><\/span>\uff1a<\/p>\n
(\r\nSystemClock.sched(1.0,\/\/1\u79d2\u540e\u5f00\u59cb\r\n\t{\r\n\t\tSynth(\\bleep,\r\n\t\t\t[ \/\/\u4e3aSynth\u4f20\u9012\u5f15\u6570\r\n\t\t\t\t\\note, (#[0,2,4,5,7,9] + 48).choose,\r\n\t\t\t\t\\pan, 1.0.rand2\r\n\t\t\t]\r\n\t\t);\r\n\t\/\/ \u968f\u673a\u9009\u62e9\u91cd\u590d\u65f6\u95f4\r\n\t[0.25,0.3,0.7,0.1].choose\r\n})\r\n)<\/pre>\n
#[0,2,4,5,7,9]\u9020\u4e86\u4e00\u4e2a\u56fa\u5b9a\u7684\uff08\u975e\u52a8\u6001\uff09\u6570\u7ec4\uff0c\u56e0\u6b64\u7a0d\u5fae\u4fbf\u5b9c\u4e9b\uff08cheaper\uff09\u3002<\/p>\n
\u5982\u679c\u4f60\u4e50\u610f\u4ee5\u79d2\u6765\u8c03\u5ea6\u4e00\u5207\uff0c\u5e76\u81ea\u5df1\u641e\u51fa\u4efb\u4f55\u8282\u594f\u8868\u8ff0\uff0c\u90a3\u4e48\u4f60\u5df2\u7ecf\u51c6\u5907\u597d\u4e86\u3002<\/p>\n
\n
\u6b32\u83b7\u53d6\u5f53\u524dSystemClock<\/em><\/span>\u65f6\u95f4\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u8fd9\u6bb5\u4ee3\u7801\uff1a<\/p>\n
Main.elapsedTime; \/\/\u7ed9\u4e00\u4e2a\u4ece\u7a0b\u5e8f\u5f00\u542f\u5230\u73b0\u5728\u7684\u65f6\u95f4<\/pre>\n
schedAbs<\/em>\u9075\u5b88\u4e00\u4e2a\u7edd\u5bf9\u65f6\u95f4<\/p>\n
(\r\nSystemClock.schedAbs(Main.elapsedTime+1.0,\/\/ \u5f00\u59cb\u4e8e\u7edd\u5bf9\u7cfb\u7edf\u65f6\u949f\u65f6\u95f4+1\u79d2\r\n\t{\r\n\t\tSynth(\\bleep,\r\n\t\t\t[ \/\/\u4e3aSynth\u4f20\u9012\u5f15\u6570\r\n\t\t\t\t\\note, (#[0,2,4,5,7,9] + 48).choose,\r\n\t\t\t\t\\pan, 1.0.rand2\r\n\t\t\t]\r\n\t\t);\r\n\t\/\/ \u968f\u673a\u9009\u62e9\u91cd\u590d\u65f6\u95f4\r\n\t[0.25,0.3,0.7,0.1].choose\t\t\r\n\r\n})\r\n)<\/pre>\n
\n
\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\uff0c\u4f60\u559c\u6b22\u5728\u4e00\u5b9a\u7684tempo\u4e0b\u5de5\u4f5c\uff0c\uff08\u4f8b\u5982\uff0c\u4f60\u5e0c\u671b\u6839\u636e\u62cd\u5b50\u8c03\u5ea6\u4e8b\u4ef6\uff09<\/p>\n
\"\"<\/a>SuperCollider\u4ee5\u6bcf\u79d2\u7684\u62cd\u6570\uff08bps\uff09\u800c\u4e0d\u662f\u6bcf\u5206\u949f\u51e0\u62cd\uff08bpm\uff09\u6765\u6052\u91cftempo\uff0c\u4f8b\u5982\uff1a
\n1 bps = 60 bpm
\n1.6666667 bps = 100 bpm
\n2 bps = 120 bpm
\n2.4 bps = 144 bpm
\n3 bps = 180 bpm
\n\uff08\u4e8c\u8005\u7684\u76f8\u4e92\u8f6c\u6362\u662f\u4e5860\u966460\u7684\u5173\u7cfb\uff0c\u5f88\u7b80\u5355\uff09<\/p>\n
\n
\u57fa\u4e8e\u62cd\u5b50\u7684\u8c03\u5ea6\uff0c\u6211\u4eec\u4f7f\u7528TempoClock<\/em><\/span>\uff1a<\/p>\n
(\r\nvar t;\r\n\r\nt = TempoClock(2); \/\/ \u4ee5120bpm\uff082bps\uff09\u7684tempo\u6784\u9020\u4e00\u4e2a\u901f\u5ea6\u949f\r\n\r\nt.schedAbs(0, { arg ... args;\t\/\/ \u7acb\u9a6c\u5f00\u59cb\r\n\t\t\t\targs.postln;\t\/\/  \u5411\u6211\u4eec\u7684\u4e8b\u4ef6\u51fd\u6570post\u8f93\u5165\u5f15\u6570\r\n\t\t\t\t\t\t\t\/\/  (will post logical time in beats, elapsed time\r\n\t\t\t\t\t\t\t\/\/  in seconds of enclosing thread and this clock)\r\n\r\n\t\t\t\tSynth(\\bleep);\/\/ \u5236\u9020\u54d4\u54d4\u58f0\r\n\t\t\t\t1.0\t\/\/ \u91cd\u65b0\u8c03\u5ea6\u6bcf\u4e00\u62cd\r\n})\r\n)<\/pre>\n
TempoClock<\/em><\/span>\u7684\u4f5c\u7528\u662f\u5bf9\u901f\u5ea6\u548c\u8282\u594f\u578b\u7684\u6539\u53d8\u505a\u51fa\u9002\u5f53\u7684\u53cd\u5e94\u3002<\/p>\n
\n
\u8fd8\u6709\u4e00\u4e2a\u81ea\u52a8\u53ef\u7528\u7684TempoClock<\/em><\/span><\/p>\n
t= TempoClock.default;<\/pre>\n
\u4f60\u53ef\u4ee5\u95ee\u4e00\u4e2a\u901f\u5ea6\u65f6\u949f\u5b83\u5728\u54ea\uff1b\u8fd9\u4e2a\u9ed8\u8ba4\u7684\u65f6\u949f\u53ef\u80fd\u5230\u76ee\u524d\u4e3a\u6b62\u5df2\u7ecf\u8fd0\u884c\u4e86\u5f88\u957f\u4e00\u6bb5\u65f6\u95f4\u3002<\/p>\n
t.elapsedBeats;  \/\/ \u6211\u4eec\u786e\u5207\u4f4d\u4e8e\u4ec0\u4e48\u903b\u8f91\u62cd\u65f6\u95f4\uff08logical beat time\uff09\r\n\r\nt.bar;  \/\/ \u6211\u4eec\u5728\u7b2c\u51e0\u5c0f\u8282 (\u9ed8\u8ba4\u8282\u594f\u578b\u4e3a4\/4)\r\n\r\nt.elapsedBeats.ceil; \/\/ \u627e\u5230\u4e0b\u4e00\u62cd\r\n\r\nt.elapsedBeats.floor; \/\/ \u627e\u5230\u6700\u540e\u4e00\u62cd<\/pre>\n
\n
(\r\nvar t;\r\n\r\nt = TempoClock.default;\r\n\/\/ \u9ed8\u8ba4\u7684TempoClock\u53ef\u80fd\u5df2\u7ecf\u8fd0\u884c\u4e86\u5f88\u4e45\r\n\/\/ \u6240\u4ee5\u4f60\u5e94\u5f53\u4ece\u4e0b\u4e00\u62cd\u5f00\u59cb\r\n\r\nt.schedAbs(t.elapsedBeats.ceil, \/\/ \u4ece\u4e0b\u4e00\u4e2a\u91cd\u62cd\u5f00\u59cb\r\n\t{\r\n\t\tSynth(\\bleep, [\\note, [36,40,43].choose, \\pan, 1.0.rand2]);\r\n\t\t[0.25,0.5,1.0, nil].wchoose([0.5,0.4,0.05,0.05]); \/\/ \u52a0\u6743\u9009\u62e9\r\n                \/\/ \u4ece\u6570\u7ec4\u9009\u62e9\u6570\u5b57\u91cd\u590d- nil\u610f\u5473\u7740\u505c\u6b62\r\n\t})\r\n)<\/pre>\n
wchoose<\/em>\u5141\u8bb8\u6211\u4eec\u505a\u4e00\u4e2a\u52a0\u6743\u9009\u62e9\uff0c\u504f\u91cd\u7b2c\u4e8c\u4e2a\u6570\u7ec4\uff08\u6240\u6709\u6570\u5b57\u76f8\u52a0\u4e0d\u80fd\u8d85\u8fc71\uff0c\u5e76\u4e14\u52a0\u6743\u6570\u7684\u6570\u91cf\u5fc5\u987b\u4e0e\u5f85\u9009\u53d6\u6570\u6570\u91cf\u76f8\u540c\uff09\uff0c\u4ece\u7b2c\u4e00\u4e2a\u6570\u7ec4\u4e2d\u9009\u53d6\u6570\u7ec4\u3002<\/p>\n
[1,2,3,4].wchoose([0.8,0.1,0.07,0.03]);<\/pre>\n
\n
\u5982\u679c\u4f60\u8bf7\u6c42\u4e00\u4e2a\u5df2\u7ecf\u53d1\u751f\u7684\u62cd\u5b50\uff0c\u8c03\u5ea6\u5668\u5c06\u5c3d\u5feb\u6293\u53d6\u4e8b\u4ef6\u961f\u5217\uff1a<\/p>\n
(\r\nvar u;\r\n\r\nu = TempoClock(1.2);\t\/\/ \u4ee51.2bps\u7684\u901f\u5ea6\u6784\u9020\u6211\u4eec\u7684TempoClock\r\n\r\n\/\/ \u57285\u62cd\u524d\u5f00\u59cb!\r\nu.schedAbs(-5.0, { Synth(\\bleep);  0.5 });\r\n\/\/ \u56e0\u4e3a\u6293\u53d6\u7684\u7f18\u6545\uff0c\u4f60\u4f1a\u542c\u5230\u4e8b\u4ef6\u7684\u7206\u97f3\r\nSystemClock.sched(5.0, {u.clear}); \/\/ \u4ece\u73b0\u5728\u8d775\u79d2\u540e\u8c03\u5ea6\u4e00\u4e2a\u505c\u6b62.\r\n)<\/pre>\n
\n
\u5982\u679c\u4f60\u5728\u67d0\u4e2a\u70b9\u6539\u53d8\u901f\u5ea6\uff0c\u8fc7\u5ea6\u5c06\u662f\u5e73\u6ed1\u7684\uff1a<\/p>\n
(\r\nvar u;\r\n\r\nu = TempoClock(3.5);\r\n\r\nu.schedAbs(0.0, { arg beat, sec;\r\n\t\t[beat,sec].postln;\r\n\t\tSynth(\\bleep, [\\note, rrand(60.0,67.0)]);\r\n\t\t0.5\r\n});\r\n\r\nu.schedAbs(8.0, { u.tempo_(2); nil }); \/\/ \u8c03\u5ea6\u901f\u5ea6\u6539\u53d8\r\n\r\nu.schedAbs(12.0, { u.tempo_(7); nil }); \/\/ \u8c03\u5ea6\u901f\u5ea6\u6539\u53d8\r\n\r\nu.schedAbs(17.2, { u.tempo_(1); nil }); \/\/ \u8c03\u5ea6\u901f\u5ea6\u6539\u53d8\r\n\r\nSystemClock.sched(7.0, { u.clear; }); \/\/ \u4ece\u73b0\u5728\u8d777\u79d2\u540e\u8c03\u5ea6\u4e00\u4e2a\u505c\u6b62.\r\n)<\/pre>\n
\n
\u9010\u884c\u8fd0\u884c\u4e0b\u5217\u4ee3\u7801\uff1a<\/p>\n
t=TempoClock(2);\r\n\r\nt.tempo; \/\/ \u83b7\u53d6\u5f53\u524d\u901f\u5ea6\r\n\r\nt.tempo_(4); \/\/\u8bbe\u7acb\u5f53\u524d\u901f\u5ea6(\u552f\u4e00\u7684\u4e0d\u540c\u662f\u4e0b\u5212\u7ebf)\r\n\r\nt.tempo;\r\n\r\nt.tempo= 2.3; \/\/\u540c\u6837\u8d4b\u503c\u65b0\u7684\u901f\u5ea6\r\n\r\nt.tempo;<\/pre>\n
\n
\u901a\u8fc7UI\u63a7\u5236\u6539\u53d8\u901f\u7387<\/p>\n
\/\/ \u6ed1\u6746\u7684\u8303\u56f4\u59cb\u7ec8\u662f0.0\uff5e1.0\uff0c\u5982\u6b64\u6620\u5c04\u5230\u4ee3\u7801\r\n(\r\n\tvar w,u,slid, button;\r\n\r\n\tw = SCWindow(\"tempo control test\", Rect(100,100,200,40));\r\n\tslid = SCSlider(w, Rect(0,0,200,20));\r\n\r\n\tbutton = SCButton(w, Rect(60,20,40,20));\r\n\tbutton.states_([[\"kill\"]]);\r\n\r\n\tw.front;\r\n\r\n\tslid.action_({u.tempo_(2*(slid.value)+1)});\r\n\tbutton.action_({u.clear; w.close;});\r\n\r\n\tu = TempoClock(1);\r\n\r\n\tu.schedAbs(0.0, { arg beat,sec;\r\n\t\t[beat,sec].postln;\r\n\t\tSynth(\\bleep, [\\note, rrand(60, 100)]);\r\n\t\t1.0\r\n\t});\r\n)<\/pre>\n
\n
\u4f60\u53ef\u4ee5\u901a\u8fc7\u4e00\u6b21\u6027\u5efa\u7acb\u4e24\u4e2a\u65f6\u949f\u505a\u591a\u901f\u5ea6<\/p>\n
\/\/ \u901f\u5ea6\u7387\u4e3a12:13\r\n(\r\nvar u,v;\r\n\r\nu = TempoClock(1.2);\r\nv = TempoClock(1.3);\r\n\r\nu.schedAbs(0, { Synth(\\bleep, [\\note, rrand(41.8,47.5), \\pan, -0.5]);  1.0 });\r\nv.schedAbs(0, { Synth(\\bleep,[\\pan, 0.5]);  1.0 });\r\n\r\nSystemClock.sched(10.9, { u.clear; v.clear; }); \/\/ \u4ece\u73b0\u5728\u8d7710.9\u79d2\u540e\u8c03\u5ea6\u4e00\u4e2a\u505c\u6b62.\r\n)<\/pre>\n
\n
GUI\u548c\u65f6\u949f\u7684\u7b14\u8bb0<\/strong><\/span><\/p>\n
UI\u4eec\u4e0d\u80fd\u901a\u8fc7\u4eceSystemClock<\/em><\/span>\u7684\u76f4\u63a5\u8c03\u7528\u800c\u66f4\u85aa\u2014\u2014\u64cd\u4f5c\u7cfb\u7edf\u7684AppClock<\/em><\/span>\u5fc5\u987b\u88ab\u4f7f\u7528\u3002\u4e0b\u8fb9\u662f\u4e00\u4e2a\u79fb\u52a8\u7a97\u53e3\u7684\u793a\u8303\uff1a<\/p>\n
\/\/ \u5728\u8bd5\u56fe\u5173\u95ed\u7a97\u53e3\u524d\uff0c\u8bb0\u5f97\u5148\u6309\u4e0bcmd+\u53e5\u53f7\u952e\r\n(\r\nvar w, i;\r\n\r\n\ti = 0;\r\n\r\n\tw = SCWindow(\"My Window\", Rect(100, 0, 200, 50));\r\n\t\/\/ \u4e00\u4e2a200*200\u7684\u7a97\u53e3\u51fa\u73b0\u5728\u8424\u5e55\u5750\u6807(100, 0)\u7684\u4f4d\u7f6e\r\n\tw.front;\r\n\r\n\t\/\/ \u8c03\u5ea6\u79fb\u52a8\u5e76\u6539\u53d8\u7a97\u53e3\u7684\u5c3a\u5bf8\r\n\tAppClock.sched(0.0, {\r\n\t\tw.bounds_(Rect(100, (10 * i) % 500, rrand(200,400), 50));\r\n\t\ti=i+1;\r\n\t\t0.125\r\n\t});\r\n)<\/pre>\n
\u8fd9\u5c06\u5931\u8d25:<\/p>\n
\/\/ SystemClock.sched(0.0,{w.bounds_(Rect(100, (10*i)%500, 200,200)); i=i+1; 0.125});<\/pre>\n
\n
\u8fd9\u662f\u4e00\u4e2a\u5f88\u6709\u7528\u628a\u620f\uff1b\u5982\u679c\u4f60\u5728\u4e00\u4e2aSystemClock<\/em><\/span>\u4e2d\uff0c\u4f60\u53ef\u4ee5\u50cf\u8fd9\u6837\u5728\u5c16\u62ec\u53f7\u5185\u7ea6\u675f\u4efb\u4f55GUI\u8c03\u7528\uff1a<\/p>\n
{\r\n\/\/GUI\u4ee3\u7801\r\n}.defer<\/pre>\n
\u5728\u540e\u53f0\uff0c\u8fd9\u91cd\u65b0\u5206\u914d\u4e86\u5230AppClock\u7684\u547d\u4ee4\u3002<\/p>\n
\n
\u8fd9\u6837\u6ca1\u95ee\u9898\uff0c\u901a\u8fc7\u4f7f\u7528defer\u5c06\u547d\u4ee4\u4f20\u9012\u5230\u4e00\u4e2aAppClock<\/em><\/span>\uff1a<\/p>\n
(\r\nvar w, i;\r\n\r\n\ti = 0;\r\n\r\n\tw = SCWindow(\"My Window\", Rect(100, 0, 200, 200));\r\n\t\/\/ \u4e00\u4e2a200*200\u7684\u7a97\u53e3\u51fa\u73b0\u5728\u8424\u5e55\u5750\u6807(100, 500)\u7684\u4f4d\u7f6e\r\n\tw.front;\r\n\r\n\tSystemClock.sched(0.0, {\r\n\r\n\t\t{ w.bounds_(Rect(100, (10*i)%500, 200, 200)) }.defer; \/\/ defer\u626e\u6f14\u4e86SystemClock\u548cAppClock\u4e4b\u95f4\u7684\u6865\u6881\r\n\t\ti=i+1;\r\n\t\t0.125\r\n\t});\r\n)<\/pre>\n","protected":false},"excerpt":{"rendered":"
Scheduling \u4e00\u4e9b\u76f8\u5173\u7684\u5e2e\u52a9\u6587\u6863 [SystemClock] [TempoClock] [AppClock] \/\/ \u8f7d\u5165\u6211\u5148\u2014\u2014\u8fd9\u4e2a\u58f0\u97f3\u5c06\u88ab\u7528\u4e8e\u8bb0\u4e0b\u6765\u7684\u8c03\u5ea6\u5c0f\u6837 \/\/ \u6211\u4eec\u73b0\u5728\u8fd0\u7528SynthDef\u548cSynth\uff0c\u8fd9\u5f88\u91cd\u8981 \/\/ \u6ce8\u610fdoneAction\uff01 ( SynthDef(\\bleep,{ arg out=0, note=60, amp=0.5, pan=0.0; var freq, env; freq = note.midicps; env = EnvGen.ar( Env([0,1,1,0],[0.01, 0.1, 0.2]), levelScale:amp, doneAction:2 ); Out.ar(out, Pan2.ar(Blip.ar(freq) * env, pan) ) }).load(s); ) \u8fd9\u4e2aSynthDef\u4f7f\u7528\u4e86\u4e00\u4e2adoneAction\u4e3a2\u7684\u5305\u7edc\uff0c\u8fd9\u4f7f\u5f97\u4e00\u4e2a\u5408\u6210\u5668\u7531\u5b9a\u4e49\u5236\u9020\uff0c\u5e76\u4e14\u5728\u5305\u7edc\u7ed3\u675f\u540e\u91ca\u653e\uff08deallocate\uff09\u81ea\u8eab\u3002\u8fd9\u81f3\u5173\u91cd\u8981\uff0c\u5426\u5219\u5728\u6211\u4eec\u8f7d\u5165\u5b83\u540e\u5b83\u4f1a\u6c38\u8fdc\u6302\u5728\u90a3\uff01 \u4f60\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u7684\u5efa\u7acb\u4e00\u4e2a\u91cd\u590d\u673a\u5236\u3002\u5168\u5c40\u7684SystemClock\u4ee5\u79d2\u8fdb\u884c\u8c03\u5ea6\u3002SystemClock\u662f\u6700\u503c\u5f97\u4fe1\u8d56\u7684\u65f6\u949f\u3002 \/\/ \u4ece\u8ddd\u73b0\u57280\u79d2\u5f00\u59cb\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u4e4b\u540e\u6bcf1\u79d2\u91cd\u590d\u4e00\u6b21 ( SystemClock.sched(0.0,\/\/\u4ece\u8ddd\u73b0\u57280\u79d2\u5f00\u59cb\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u5373\uff0c\u7acb\u9a6c {\/\/\u4e00\u4e2a\u8868\u660e\u4f60\u5e0c\u671b\u8c03\u5ea6\u4ec0\u4e48\u7684\u51fd\u6570 Synth(\\bleep); 1 \/\/\u6bcf10\u79d2\u91cd\u590d\u4e00\u6b21 } ) ) \uff08\u6700\u540e\u4ece\u51fd\u6570\u8fd4\u56de\u7684\u4e1c\u897f\u662f\u51fd\u6570\u88ab\u8c03\u7528\u7684\u95f4\u9694\u65f6\u95f4\uff1b\u4f60\u53ef\u4ee5\u8fd4\u56de\u4e00\u4e2a\u6570\u5b57\uff0c\u6216nil\uff1bnil\u5c06\u505c\u6b62\u8c03\u5ea6\uff09<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[69],"tags":[70],"class_list":["post-1071","post","type-post","status-publish","format-standard","hentry","category-supercollider3","tag-supercollider"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/1071","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\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1071"}],"version-history":[{"count":6,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/1071\/revisions"}],"predecessor-version":[{"id":1077,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/1071\/revisions\/1077"}],"wp:attachment":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}