{"json_modified": "2016-09-09T18:53:20.282223", "uuid": "b5b2e2fe-1217-44fa-a703-d7d38d67ae66", "title": "AudioContext.createBuffer()", "url": "/en-US/docs/Web/API/AudioContext/createBuffer", "tags": ["API", "Reference", "AudioContext", "R\u00e9f\u00e9rence", "Web Audio API", "createBuffer", "Method"], "translations": [{"uuid": "a3ff656d-5541-43b7-8523-49e5c05990b8", "title": "AudioContext.createBuffer()", "url": "/ja/docs/Web/API/AudioContext/createBuffer", "tags": [], "summary": "<a href=\"/ja/docs/Web/API/AudioBuffer\" title=\"&#x3053;&#x308C;&#x3089;&#x306E;&#x30AA;&#x30D6;&#x30B8;&#x30A7;&#x30AF;&#x30C8;&#x306F;&#x77ED;&#x3044;&#x3001;&#x4E00;&#x822C;&#x7684;&#x306B;&#x306F;45&#x79D2;&#x672A;&#x6E80;&#x306E;&#x3001;&#x65AD;&#x7247;&#x7684;&#x306A;&#x97F3;&#x58F0;&#x3092;&#x4FDD;&#x6301;&#x3059;&#x308B;&#x305F;&#x3081;&#x306B;&#x8A2D;&#x8A08;&#x3055;&#x308C;&#x3066;&#x3044;&#x307E;&#x3059;&#x3002;&#x305D;&#x308C;&#x3088;&#x308A;&#x3082;&#x9577;&#x3044;&#x97F3;&#x58F0;&#x306F;&#x3001;MediaElementAudioSourceNode&#x306E;&#x30AA;&#x30D6;&#x30B8;&#x30A7;&#x30AF;&#x30C8;&#x304C;&#x9069;&#x3057;&#x3066;&#x3044;&#x307E;&#x3059;&#x3002;&#x30D0;&#x30C3;&#x30D5;&#x30A1;&#x306B;&#x306F;&#x6B21;&#x306E;&#x5F62;&#x5F0F;&#x3067;&#x30C7;&#x30FC;&#x30BF;&#x304C;&#x66F8;&#x304D;&#x8FBC;&#x307E;&#x308C;&#x307E;&#x3059;: &#x30CE;&#x30F3;&#x30A4;&#x30F3;&#x30BF;&#x30FC;&#x30EA;&#x30FC;&#x30D6; IEEE754 32bit &#x30EA;&#x30CB;&#x30A2; PCM&#x3067;&#x3001;-1&#x304B;&#x3089;+1&#x306E;&#x7BC4;&#x56F2;&#x3067;&#x6B63;&#x898F;&#x5316;&#x3055;&#x308C;&#x3066;&#x3044;&#x307E;&#x3059;&#x3002;&#x3064;&#x307E;&#x308A;&#x3001;32bit &#x6D6E;&#x52D5;&#x5C0F;&#x6570;&#x70B9;&#x30D0;&#x30C3;&#x30D5;&#x30A1;&#x3067;&#x3001;&#x305D;&#x308C;&#x305E;&#x308C;&#x306E;&#x30B5;&#x30F3;&#x30D7;&#x30EB;&#x306F;-1.0&#x304B;&#x3089;1.0&#x306E;&#x9593;&#x3067;&#x3059;&#x3002;AudioBuffer&#x306B;&#x8907;&#x6570;&#x306E;&#x30C1;&#x30E3;&#x30F3;&#x30CD;&#x30EB;&#x304C;&#x3042;&#x308B;&#x5834;&#x5408;&#x306F;&#x3001;&#x305D;&#x308C;&#x305E;&#x308C;&#x5206;&#x304B;&#x308C;&#x305F;&#x30D0;&#x30C3;&#x30D5;&#x30A1;&#x306B;&#x683C;&#x7D0D;&#x3055;&#x308C;&#x307E;&#x3059;&#x3002;\"><code>AudioBuffer</code></a>", "localization_tags": ["inprogress"], "locale": "ja", "last_edit": "2015-06-27T04:15:11", "review_tags": []}, {"uuid": "7aeb2413-a2c5-49ee-979c-930cb272e861", "title": "AudioContext.createBuffer()", "url": "/zh-CN/docs/Web/API/AudioContext/createBuffer", "tags": ["\u521b\u5efa\u97f3\u9891\u7247\u6bb5", "\u63a5\u53e3", "\u65b9\u6cd5", "\u97f3\u9891\u73af\u5883"], "summary": "\u97f3\u9891\u73af\u5883<a href=\"/zh-CN/docs/Web/API/AudioContext\" title=\"AudioContext&#x63A5;&#x53E3;&#x8868;&#x793A;&#x7531;&#x97F3;&#x9891;&#x6A21;&#x5757;&#x8FDE;&#x63A5;&#x800C;&#x6210;&#x7684;&#x97F3;&#x9891;&#x5904;&#x7406;&#x56FE;&#xFF0C;&#x6BCF;&#x4E2A;&#x6A21;&#x5757;&#x5BF9;&#x5E94;&#x4E00;&#x4E2A;AudioNode&#x3002;AudioContext&#x53EF;&#x4EE5;&#x63A7;&#x5236;&#x5B83;&#x6240;&#x5305;&#x542B;&#x7684;&#x8282;&#x70B9;&#x7684;&#x521B;&#x5EFA;&#xFF0C;&#x4EE5;&#x53CA;&#x97F3;&#x9891;&#x5904;&#x7406;&#x3001;&#x89E3;&#x7801;&#x64CD;&#x4F5C;&#x7684;&#x6267;&#x884C;&#x3002;&#x505A;&#x4EFB;&#x4F55;&#x4E8B;&#x60C5;&#x4E4B;&#x524D;&#x90FD;&#x8981;&#x5148;&#x521B;&#x5EFA;AudioContext&#x5BF9;&#x8C61;&#xFF0C;&#x56E0;&#x4E3A;&#x4E00;&#x5207;&#x90FD;&#x53D1;&#x751F;&#x5728;&#x8FD9;&#x4E2A;&#x73AF;&#x5883;&#x4E4B;&#x4E2D;&#x3002;\"><code>AudioContext</code></a> \u63a5\u53e3\u7684 <code>createBuffer() \u65b9\u6cd5\u7528\u4e8e\u65b0\u5efa\u4e00\u4e2a\u7a7a</code>\u767d\u7684 <a href=\"/zh-CN/docs/Web/API/AudioBuffer\" title=\"&#x8FD9;&#x4E9B;&#x7C7B;&#x578B;&#x5BF9;&#x8C61;&#x88AB;&#x8BBE;&#x8BA1;&#x6765;&#x63A7;&#x5236;&#x5C0F;&#x97F3;&#x9891;&#x7247;&#x6BB5;&#xFF0C;&#x5F80;&#x5F80;&#x77ED;&#x4E8E;45&#x79D2;&#x3002;&#x5BF9;&#x4E8E;&#x66F4;&#x957F;&#x7684;&#x58F0;&#x97F3;&#xFF0C;&#x901A;&#x8FC7; MediaElementAudioSourceNode&#x6765;&#x5B9E;&#x73B0;&#x66F4;&#x4E3A;&#x5408;&#x9002;&#x3002;&#x7F13;&#x5B58;&#x533A;&#xFF08;buffer&#xFF09;&#x5305;&#x542B;&#x4EE5;&#x4E0B;&#x6570;&#x636E;&#xFF1A;&#x4E0D;&#x95F4;&#x65AD;&#x7684;IEEE75432&#x4F4D;&#x7EBF;&#x6027;PCM&#xFF0C;&#x4ECE;-1&#x5230;1&#x7684;&#x8303;&#x56F4;&#x989D;&#x5B9A;&#xFF0C;&#x5C31;&#x662F;&#x8BF4;&#xFF0C;32&#x4F4D;&#x7684;&#x6D6E;&#x70B9;&#x7F13;&#x5B58;&#x533A;&#x7684;&#x6BCF;&#x4E2A;&#x6837;&#x672C;&#x5728;-1.0&#x5230;1.0&#x4E4B;&#x95F4;&#x3002;&#x5982;&#x679C;AudioBuffer&#x6709;&#x4E0D;&#x540C;&#x7684;&#x9891;&#x9053;&#xFF0C;&#x4ED6;&#x4EEC;&#x901A;&#x5E38;&#x88AB;&#x66DD;&#x5B58;&#x5728;&#x72EC;&#x7ACB;&#x7684;&#x7F13;&#x5B58;&#x533A;&#x3002;\"><code>AudioBuffer</code></a> \u5bf9\u8c61\uff0c\u4ee5\u4fbf\u7528\u4e8e\u586b\u5145\u6570\u636e\uff0c\u901a\u8fc7\u00a0<a href=\"/zh-CN/docs/Web/API/AudioBufferSourceNode\" title=\"&#x6B64;&#x9875;&#x9762;&#x4ECD;&#x672A;&#x88AB;&#x672C;&#x5730;&#x5316;, &#x671F;&#x5F85;&#x60A8;&#x7684;&#x7FFB;&#x8BD1;!\"><code>AudioBufferSourceNode</code></a> \u64ad\u653e\u3002", "localization_tags": [], "locale": "zh-CN", "last_edit": "2016-09-09T18:53:14", "review_tags": ["technical"]}], "modified": "2016-08-08T00:09:44", "label": "AudioContext.createBuffer()", "localization_tags": [], "locale": "en-US", "id": 91521, "last_edit": "2016-08-08T00:09:28", "summary": "An <a href=\"/en-US/docs/Web/API/AudioBuffer\" title=\"Objects of these types are designed to hold small audio snippets, typically less than 45&#xA0;s. For longer sounds, objects implementing the MediaElementAudioSourceNode are more suitable. The buffer contains data in the following format:&#xA0; non-interleaved IEEE754 32-bit linear PCM with a nominal range between -1 and +1, that is, 32bits floating point buffer, with each samples between -1.0 and 1.0. If the AudioBuffer has multiple channels, they are stored in separate buffer.\"><code>AudioBuffer</code></a>.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Parameters", "title": "Parameters"}, {"id": "Returns", "title": "Returns"}, {"id": "Examples", "title": "Examples"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/AudioContext/createBuffer", "review_tags": []}