{"id":1045,"date":"2021-10-16T17:12:12","date_gmt":"2021-10-16T08:12:12","guid":{"rendered":"https:\/\/machiaworx.net\/?p=1045"},"modified":"2021-10-17T12:40:09","modified_gmt":"2021-10-17T03:40:09","slug":"bela%e3%81%a7%e8%89%b2%e3%80%85%e4%bd%9c%e3%81%a3%e3%81%a6%e3%81%bf%e3%82%8b%e3%80%82","status":"publish","type":"post","link":"https:\/\/machiaworx.net\/?p=1045","title":{"rendered":"Bela\u3067\u8272\u3005\u4f5c\u3063\u3066\u307f\u308b\u3002\uff08\uff11\uff09"},"content":{"rendered":"<h3>\u6210\u679c<\/h3>\n<ul>\n<li>L\u30c1\u30ab<\/li>\n<li>\u30b9\u30a4\u30c3\u30c1\u3092\u542b\u3081\u305fL\u30c1\u30ab<\/li>\n<\/ul>\n<h3>\u6240\u898b<\/h3>\n<ul>\n<li>\u4ee5\u524dArduino\u3092\u5f04\u3063\u3066\u305f\u3068\u304d\u306f\u6b63\u76f4\u30b9\u30a4\u30c3\u30c1\u306e\u4ed5\u7d44\u307f\u3059\u3089\u7406\u89e3\u3067\u304d\u3066\u306a\u304b\u3063\u305f\u306e\u3067\u3001<br \/>\n\u4e00\u5ea6\u304a\u3055\u3089\u3044\u3068\u3057\u3066\u96fb\u6d41\u304c\u3069\u306e\u3088\u3046\u306a\u4ed5\u7d44\u307f\u3067\u6d41\u308c\u308b\u304b\u3092\u78ba\u8a8d\u3057\u305f\u3002<br \/>\n\u305d\u306e\u304a\u304b\u3052\u304b\u3001\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306f\u3082\u3068\u3088\u308a\u3001\u30d6\u30ec\u30c3\u30c8\u30dc\u30fc\u30c9\u306e\u914d\u7f6e\u3082\u305d\u308c\u307b\u3069\u56f0\u3089\u305a\u306b\u6e08\u3093\u3060\u3002<\/li>\n<li>Bela\u306e\u79d2\u6570\u306e\u8003\u3048\u65b9\u306f\u30aa\u30fc\u30c7\u30a3\u30aa\u4e2d\u5fc3\u306e\u305f\u3081\u300144100\/22050Hz\u7b49\u3092\u4e2d\u5fc3\u306b\u6642\u9593\u7ba1\u7406\u3092\u3059\u308b\u306e\u304c\u4e00\u756a\u78ba\u5b9f\u3002<br \/>\n\u30d4\u30f3\u306e\u767a\u5149\u3082\u30d5\u30ec\u30fc\u30e0\u306b\u540c\u671f\u3059\u308b\u3088\u3046\u306b\u767a\u5149\u304c\u53ef\u80fd\uff08\u3057\u304b\u3082\u305d\u3063\u3061\u304c\u65e9\u3044\uff09\u305f\u3081\u3001\u30d5\u30ec\u30fc\u30e0\u30ab\u30a6\u30f3\u30c8\u3084\u30aa\u30fc\u30c7\u30a3\u30aa\u30d0\u30c3\u30d5\u30a1\u3092\u4e0b\u6577\u304d\u306b\u5404\u7a2e\u6642\u9593\u7ba1\u7406\u3092\u3057\u3066\u3044\u304f\u306e\u304c\u4e00\u756a\u7406\u89e3\u304c\u9032\u3080\u3002<br \/>\n\uff08\u3064\u307e\u308a\u30aa\u30fc\u30c7\u30a3\u30aa\u30d0\u30c3\u30d5\u30a1\u306e\u5358\u4f4d\u3067\u6642\u9593\u8a08\u6e2c\u3092\u884c\u3044\u3001\u30aa\u30fc\u30c7\u30a3\u30aa\u518d\u751f\u6642\u70b9\u3067\u306f\u306a\u304f\u3001\u3042\u3089\u304b\u3058\u3081\u7279\u5b9a\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u306e\u30d4\u30f3\u306b\u96fb\u5727\u3092\u6d41\u3059\u3068\u3044\u3046\u8003\u3048\u3067\u3044\u3044\u3002\u3053\u3053\u306fWindows\u3068\u304b\u4ed6\u306eOS\u3088\u308a\u697d\uff09<\/li>\n<li>\u30a2\u30ca\u30ed\u30b0\u5165\u51fa\u529b\u3092\u4f7f\u3046\u5834\u5408\u3001\u30d4\u30f3\u306e\u30e2\u30fc\u30c9\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u3002\u305d\u306e\u4ee3\u308f\u308a\u5165\u51fa\u529b\u306e\u5834\u6240\u306f\u6c7a\u307e\u3063\u3066\u3044\u308b\u3002<br \/>\n\u9006\u306b\u30c7\u30b8\u30bf\u30eb\u5165\u51fa\u529b\u306f\u3069\u3053\u3067\u3082OK\u3060\u3051\u3069\u4e8b\u524d\u306bInput\/Output\u306e\u6a5f\u80fd\u3092\u5b9a\u7fa9\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\u3002<\/li>\n<\/ul>\n<h3>\u30b3\u30fc\u30c9<\/h3>\n<p>\u30a2\u30ca\u30ed\u30b0\u51fa\u529b\u306e\u30d4\u30f3\u304b\u3089\u96fb\u6d41\u3092\u6d41\u3057\u3066\u3001<br \/>\nLED\u304c\u5f90\u3005\u306b\u5149\u308b\u3088\u3046\u306b\u5236\u5fa1\u3059\u308b\u30b3\u30fc\u30c9\u3002<\/p>\n<pre class=\"brush: cpp; title: ; notranslate\" title=\"\">\r\n#include &lt;Bela.h&gt;\r\n\r\nconst int kLedPin = 0;\r\nfloat out=0;\r\nint cnt=0;\r\nconst float kMinimumAmplitude = (1.5 \/ 5.0);\r\nconst float kAmplitudeRange = 1.0 - kMinimumAmplitude;\r\n\r\n\/\/\u4e8b\u524d\u6e96\u5099\u3002\u57fa\u672c\u7684\u306b\u306frender\u95a2\u6570\u5185\u3067\u52d5\u7684\u306b\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3059\u308b\u306e\u306f\u3054\u6cd5\u5ea6\u307f\u305f\u3044\u3002\r\nbool setup(BelaContext *context, void *userData)\r\n{\r\n    \/\/\u30a2\u30ca\u30ed\u30b0\u30d5\u30ec\u30fc\u30e0\u5b9a\u7fa9\u3068\u30a2\u30ca\u30ed\u30b0\u30d5\u30ec\u30fc\u30e0\u304c\u30aa\u30fc\u30c7\u30a3\u30aa\u30d5\u30ec\u30fc\u30e0\u3092\u8d85\u3048\u3066\u305f\u3089\u5f37\u5236\u7d42\u4e86\r\n    if(context-&gt;analogFrames == 0 || context-&gt;analogFrames &gt; context-&gt;audioFrames) {\r\n        rt_fprintf(stderr, &quot;analog setting is NG.\\n&quot;);\r\n        return false;\r\n    }\r\n    return true;\r\n}\r\n\r\n\/\/\u30ec\u30f3\u30c0\u30fc\u95a2\u6570\u3002\u30aa\u30fc\u30c7\u30a3\u30aa\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3059\u308b\u306e\u306b\u7528\u3044\u308b\u3002\r\n\/\/\u4eca\u56de\u306fL\u30c1\u30ab\u306e\u547d\u4ee4\u3092\u66f8\u304f\u3002\r\nvoid render(BelaContext *context, void *userData)\r\n{\r\n    \/\/\u30aa\u30fc\u30c7\u30a3\u30aa\u30d0\u30c3\u30d5\u30a1\u306e\u6570\u3060\u3051\u51e6\u7406\u3059\u308b\u3002\r\n    for(unsigned int n = 0; n &lt; context-&gt;analogFrames; n++)\r\n    {\r\n        \/\/\u96fb\u6d41\u306e\u6d41\u91cf\u3092\u81ea\u524d\u8a08\u7b97\u3057\u3066\u6d41\u3059\u3002\r\n        out = kMinimumAmplitude + kAmplitudeRange * 0.5f\r\n              * ( (float)(cnt%44100)\/44100.0f)*2;\r\n        \/\/\u30a2\u30ca\u30ed\u30b0\u51fa\u529b\u306e\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u3002\r\n        \/\/\u7279\u5b9a\u30d5\u30ec\u30fc\u30e0\u6570\u306b\u540c\u671f\u3059\u308b\u3088\u3046\u306b\u51fa\u529b\u3055\u308c\u308b\u305f\u3081\u3001\u5373\u6642\u51fa\u529b\u3067\u306f\u306a\u3044\u306e\u306b\u6ce8\u610f\u3002\r\n        \/\/\u30aa\u30fc\u30c7\u30a3\u30aa\u30d0\u30c3\u30d5\u30a1\u306e\u5185\u3001n\u30d5\u30ec\u30fc\u30e0\u76ee\u304c\u518d\u751f\u30fb\u51e6\u7406\u3055\u308c\u305f\u3068\u304d\u306b\u30d4\u30f3\u306b\u96fb\u6d41\u304c\u6d41\u308c\u308b\u307f\u305f\u3044\r\n        analogWriteOnce(context, n, kLedPin, out);\r\n\r\n        \/\/\u30ab\u30a6\u30f3\u30c8\u3092\u52a0\u7b97\r\n        cnt++;\r\n\r\n        \/\/1\u79d2\u3067\u51e6\u7406\u304c\u30eb\u30fc\u30d7\u3059\u308b\u3088\u3046\u306b\u30ab\u30a6\u30f3\u30bf\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\r\n        if( cnt&gt;44100){\r\n            cnt-=44100;\r\n        }\r\n    }\r\n\r\n    \/\/\u6ce8\u610f\uff1a\r\n    \/\/\u30c7\u30d0\u30c3\u30b0\u7528\u306eprintf\u307f\u305f\u3044\u306a\u547d\u4ee4\u3092\u66f8\u304f\u3068\u304d\u306ffor\u6587\u306e\u5916\u306e\u65b9\u304c\u3044\u3044\u3002\r\n    \/\/\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u4e2d\u306b\u66f8\u304f\u3068Bela\u81ea\u4f53\u306eIDE\u304b\u3089\u306e\u7d42\u4e86\u51e6\u7406\u304c\u3046\u307e\u304f\u547c\u3070\u308c\u306a\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308b\u3002\uff08\u3042\u3063\u305f\uff09\r\n}\r\n\r\n\/\/\u3084\u308b\u3053\u3068\u306a\u3057\u3002\r\nvoid cleanup(BelaContext *context, void *userData)\r\n{\r\n\/\/ Nothing to do here\r\n}\r\n\r\n<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6210\u679c L\u30c1\u30ab \u30b9\u30a4\u30c3\u30c1\u3092\u542b\u3081\u305fL\u30c1\u30ab \u6240\u898b \u4ee5\u524dArduino\u3092\u5f04\u3063\u3066\u305f\u3068\u304d\u306f\u6b63\u76f4\u30b9\u30a4\u30c3\u30c1\u306e\u4ed5\u7d44\u307f\u3059\u3089\u7406\u89e3\u3067\u304d\u3066\u306a\u304b\u3063\u305f\u306e\u3067\u3001 \u4e00\u5ea6\u304a\u3055\u3089\u3044\u3068\u3057\u3066\u96fb\u6d41\u304c\u3069\u306e\u3088\u3046\u306a\u4ed5\u7d44\u307f\u3067\u6d41\u308c\u308b\u304b\u3092\u78ba\u8a8d\u3057\u305f\u3002 \u305d\u306e\u304a\u304b\u3052\u304b\u3001\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306f&hellip; <span class=\"clear\"><\/span><a href=\"https:\/\/machiaworx.net\/?p=1045\" class=\"more-link read-more\" rel=\"bookmark\"><span class=\"screen-reader-text\">Bela\u3067\u8272\u3005\u4f5c\u3063\u3066\u307f\u308b\u3002\uff08\uff11\uff09<\/span><i class=\"fa fa-arrow-right\"><\/i> \u306e\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,11,4,7],"tags":[],"class_list":["post-1045","post","type-post","status-publish","format-standard","hentry","category-zatta","category-synth-dev","category-pgm","category-kizai"],"_links":{"self":[{"href":"https:\/\/machiaworx.net\/index.php?rest_route=\/wp\/v2\/posts\/1045","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/machiaworx.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/machiaworx.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/machiaworx.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/machiaworx.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1045"}],"version-history":[{"count":5,"href":"https:\/\/machiaworx.net\/index.php?rest_route=\/wp\/v2\/posts\/1045\/revisions"}],"predecessor-version":[{"id":1052,"href":"https:\/\/machiaworx.net\/index.php?rest_route=\/wp\/v2\/posts\/1045\/revisions\/1052"}],"wp:attachment":[{"href":"https:\/\/machiaworx.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/machiaworx.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/machiaworx.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}