{"id":31358,"date":"2022-12-02T08:17:53","date_gmt":"2024-03-04T13:12:16","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava%e7%9a%84%e9%9f%b3%e9%a2%91%e9%87%87%e6%a0%b7%e3%80%82\/"},"modified":"2025-08-12T23:38:12","modified_gmt":"2025-08-12T15:38:12","slug":"%e5%85%b3%e4%ba%8ejava%e7%9a%84%e9%9f%b3%e9%a2%91%e9%87%87%e6%a0%b7%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava%e7%9a%84%e9%9f%b3%e9%a2%91%e9%87%87%e6%a0%b7%e3%80%82\/","title":{"rendered":"\u5173\u4e8eJava\u7684\u97f3\u9891\u91c7\u6837"},"content":{"rendered":"<h1>\u7b80\u8ff0\u6211\u7684\u76ee\u6807\u662f\u7528Java\u5236\u4f5c\u5408\u6210\u5668\u3002\u8981\u6dfb\u52a0\u7684\u529f\u80fd\u662f<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ad\u30fc\u30dc\u30fc\u30c9\u3068\u30c9\u30ec\u30df\u30d5\u30a1\u30bd\u30e9\u30b7\u30c9\u3092\u7d10\u3065\u3051\u3066\u3001\u30d4\u30a2\u30ce\u306e\u3088\u3046\u306b\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6ce2\u5f62\uff08\u30b5\u30a4\u30f3\u30fb\u306e\u3053\u304e\u308a\u30fb\u77e9\u5f62\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a8\u30f3\u30d9\u30ed\u30fc\u30d6\uff08\u6e1b\u8870\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30d5\u30a3\u30eb\u30bf\uff08\u97f3\u8272\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30e2\u30b8\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\uff08\u5468\u671f\u7684\u306a\u5909\u8abf\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ea\u30ba\u30e0\u306e\u5b9a\u578b\u3092\u8907\u6570\u7528\u610f\u3057\u3066\u7e70\u308a\u8fd4\u3057\u6d41\u3059\uff08\u30c9\u30e9\u30e0\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u548c\u97f3\u30fb\u30b3\u30fc\u30c9\u5165\u529b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u9332\u97f3\uff0b\u7e70\u308a\u8fd4\u3057<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30cf\u30a4\u30b2\u30a4\u30f3\uff08\u30ae\u30bf\u30fc\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ea\u30d0\u30fc\u30d6<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6ce2\u5f62\u30fbFFT\u8868\u793a<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u7e70\u308a\u8fd4\u3057\u7b49\u3092\u4f7f\u3046\u5834\u5408\u3001\u697d\u8b5c\u3068\u73fe\u5728\u4f4d\u7f6e\u306e\u8868\u793a<\/ul>\n<p>\u6211\u7684\u76ee\u6807\u5c31\u662f\u6210\u4e3a\u4e00\u4f4d\u97f3\u4e50\u5bb6\u3002\u56e0\u4e3a\u6211\u81ea\u5df1\u5e76\u4e0d\u719f\u6089\u97f3\u4e50\uff0c\u6240\u4ee5\u6211\u4e5f\u60f3\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u97f3\u4e50\u7684\u77e5\u8bc6\u3002<\/p>\n<p>\u8bf7\u67e5\u770b\u6709\u5173\u5408\u6210\u5668\u529f\u80fd\u8bf4\u660e\u7684\u90e8\u5206\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u7528Java\u64ad\u653e\u7528PCM\uff08\u8109\u51b2\u7f16\u7801\u8c03\u5236\uff09\u63cf\u8ff0\u7684\u97f3\u9891\u6570\u636e\u7684\u65b9\u6cd5\u662f\u4ec0\u4e48\uff1f<\/p>\n<p>&nbsp;<\/p>\n<p>\u6211\u5df2\u53c2\u8003\u6b64\u4fe1\u606f\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u8bf7\u770b\u5b8c\u8fd9\u4e2a\u8bdd\u9898\u540e\uff0c\u60a8\u5c06\u5bf9API\u7684\u6982\u8ff0\u6709\u6240\u4e86\u89e3\u3002<\/p>\n<h1>\u5b66\u4e60Java\u58f0\u97f3\u5e93\u3002&nbsp;<\/p>\n<p>\u867d\u7136\u63d0\u4f9b\u4e86\u6574\u4f53\u6027\u7684\u89e3\u91ca\uff0c\u4f46\u662f\u6ca1\u6709\u4efb\u4f55\u793a\u8303\u7a0b\u5e8f\u3002<\/p>\n<p>\u56fe\u4e66\u9986\u7684\u7ee7\u627f\u5173\u7cfb\u662f\u57fa\u4e8eLine\u6d3e\u751f\u7684\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d0c3637434c4406be8232\/15-0.png\" alt=\"1.png\" \/>\u97f3\u58f0\u30d5\u30a1\u30a4\u30eb\u3092\u30ed\u30fc\u30c9\u3057\u3066\u518d\u751f\u3059\u308b\u5834\u5408\u306fClip\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4e8b\u524d\u306b\u751f\u6210\u3059\u308b\u3053\u3068\u3067\u53ef\u80fd<\/p>\n<p>SourceDataLine\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u9010\u6b21\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3057\u3066\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u518d\u751f\u3059\u308b<\/p>\n<p>TargetDataLine\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u9332\u97f3\u3084\u97f3\u58f0\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/p>\n<p>\u901a\u8fc7\u4f7f\u7528 Port \u548c Mixer \u5b9e\u4f8b\u53ef\u4ee5\u6784\u5efa\u4ee5\u4e0b\u7cfb\u7edf\uff0c\u5e76\u8fdb\u884c\u64ad\u653e\u548c\u5f55\u97f3\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d0c3637434c4406be8232\/18-1.gif\" alt=\"3.gif\" \/><\/p>\n<h2>\u6405\u62cc\u673a\u5185\u7684\u5143\u7d20\u6df7\u97f3\u5668\u662f\u5c06\u591a\u4e2a\u97f3\u9891\u6d41\u5408\u6210\u5728\u4e00\u8d77\u3002<br \/>\n\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u89e3\u91ca\u6df7\u97f3\u5668\u5185\u7684\u5143\u7d20\u3002<\/p>\n<p>\u30ea\u30d0\u30fc\u30d6 = \u6b8b\u97ff<br \/>\n\u30d1\u30f3 = \u5de6\u53f3\u306e\u5f37\u5ea6\u5dee (zu\u01d2 de d\u00f9 ch\u0101)<br \/>\n\u30b2\u30a4\u30f3 = \u97f3\u306e\u5927\u304d\u3055 de d\u00e0 du\u014d)<\/p>\n<h2>Line\u5bf9\u8c61<\/p>\n<h3>\u6210\u5458\u53d8\u91cf1\uff1aControl\u5b9e\u4f8b\u6211\u5011\u5c07\u5176\u4f5c\u70ba\u6210\u54e1\u8b8a\u91cf\u6301\u6709Control\u5be6\u4f8b\u3002<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><span class=\"nc\">Control<\/span><span class=\"o\">(<\/span><span class=\"nc\">Control<\/span><span class=\"o\">.<\/span><span class=\"na\">Type<\/span> <span class=\"n\">type<\/span><span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5c06\u4ee5\u751f\u6210\u7684Control\u5b9e\u4f8b\u4f5c\u4e3a\u6210\u5458\u53d8\u91cf\u3002<\/p>\n<p>Control\u5b9e\u4f8b\u5305\u542bControl.Type\u7c7b\u7684\u5b9e\u4f8b\u3002Control.Type\u7c7b\u8868\u793a<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><span class=\"nc\">Control<\/span><span class=\"o\">.<\/span><span class=\"na\">Type<\/span><span class=\"o\">(<\/span><span class=\"s\">\"Gain\"<\/span><span class=\"o\">)<\/span>\r\n<span class=\"nc\">Control<\/span><span class=\"o\">.<\/span><span class=\"na\">Type<\/span><span class=\"o\">(<\/span><span class=\"s\">\"Balance\"<\/span><span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5ba3\u8a00\u540e\uff0c\u6211\u4eec\u5c06\u529f\u80fd\u6dfb\u52a0\u5230Line\u5bf9\u8c61\u4e2d\u3002<\/p>\n<p>\u8bf7\u70b9\u51fb\u8fd9\u91cc\u4e86\u89e3\u66f4\u591a\u8be6\u60c5\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u6210\u5458\u53d8\u91cf2: LineListener\u5b9e\u4f8b\u60a8\u53ef\u4ee5\u901a\u8fc7\u6ce8\u518c\u4e8b\u5148\u751f\u6210\u7684LineListener\u5b9e\u4f8b\uff0c\u4ee5\u4fbf\u5728Line\u5b9e\u4f8b\u7684\u72b6\u6001\u53d1\u751f\u53d8\u5316\u65f6\u63a5\u6536\u4e8b\u4ef6\u3002<\/p>\n<p>\u6bcf\u6b21\u53d8\u5316\u65f6\uff0c\u5c06\u8c03\u7528LineListener\u5b9e\u4f8b\u5185\u7684update()\u65b9\u6cd5\u3002\u5728\u6b64\u8fc7\u7a0b\u4e2d\uff0c\u5c06\u4f20\u9012LineEvent\u5bf9\u8c61\uff0c\u56e0\u6b64\u53ef\u4ee5\u83b7\u53d6\u4e8b\u4ef6\u7684\u4fe1\u606f\u548c\u64ad\u653e\u505c\u6b62\u4f4d\u7f6e\u7b49\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801<\/p>\n<p>&nbsp;<\/p>\n<h3>\u6210\u5458\u53d8\u91cf3: Line.Info\u5bf9\u8c61&nbsp;<\/p>\n<p>\u8a73\u7d30\u4e0d\u660e<\/p>\n<h1>\u7aef\u53e3\u5bf9\u8c61&nbsp;<\/p>\n<p>\u4f5c\u4e3a\u6210\u5458\uff0c\u62e5\u6709 Port.Info \u5bf9\u8c61\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u53ef\u4ee5\u9009\u62e9\u8033\u673a\u548c\u9ea6\u514b\u98ce\u7b49\u8bbe\u5907\u3002<\/p>\n<h1>\u97f3\u9891\u6570\u636e\u884c<br \/>\n\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b57\u8282\u6570\u636e\u8bbe\u7f6e\u97f3\u9891\u6570\u636e\u3002<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">open<\/span><span class=\"o\">(<\/span><span class=\"nc\">AudioFormat<\/span> <span class=\"n\">format<\/span><span class=\"o\">)<\/span>\r\n<span class=\"n\">or<\/span>\r\n<span class=\"nf\">open<\/span><span class=\"o\">(<\/span><span class=\"nc\">AudioFormat<\/span> <span class=\"n\">format<\/span><span class=\"o\">,<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">bufferSize<\/span><span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e2d\u6587\u672c\u5730\u5316\u65b9\u5f0f\u89e3\u91ca\uff1a\u8c03\u7528\u8d85\u7c7b\u7684Line\u5b9e\u4f8b\u7684open()\u65b9\u6cd5\uff08Line\u5b9e\u4f8b\u7684\u6253\u5f00\u662f\u751f\u6210\u5185\u5b58\u5417\uff1f\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kt\">int<\/span> <span class=\"nf\">write<\/span><span class=\"o\">(<\/span><span class=\"kt\">byte<\/span><span class=\"o\">[]<\/span> <span class=\"n\">b<\/span><span class=\"o\">,<\/span>\r\n          <span class=\"kt\">int<\/span> <span class=\"n\">off<\/span><span class=\"o\">,<\/span>\r\n          <span class=\"kt\">int<\/span> <span class=\"n\">len<\/span><span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>b\u662f\u5b57\u8282\u6570\u636e\u3002<br \/>\noff\u662f\u7f13\u51b2\u7684\u5199\u5165\u8d77\u59cb\u70b9\u3002<br \/>\nlen\u662fb\u7684\u5927\u5c0f\u3002<\/p>\n<p>\u7f13\u51b2\u533a\u4e0d\u5fc5\u59cb\u7ec8\u4fdd\u6301\u6ee1\u72b6\u6001\uff0c\u5f53\u7f13\u51b2\u533a\u4e3a\u7a7a\u65f6\uff0c\u97f3\u9891\u5c06\u65e0\u6cd5\u64ad\u653e\u3002<br \/>\n\u5982\u679c\u5199\u5165\u7684\u6570\u636e\u8d85\u8fc7\u7f13\u51b2\u533a\u7684\u5927\u5c0f\uff0c\u5219\u4f1a\u5728\u64ad\u653e\u7684\u540c\u65f6\u9010\u4e2a\u8fdb\u884c\u7f13\u51b2\u533a\u7684\u4f20\u9001\u548c\u6570\u636e\u7684\u5199\u5165\u3002\u5f53\u6240\u6709\u6570\u636e\u90fd\u88ab\u653e\u5165\u7f13\u51b2\u533a\u540e\uff0c\u5904\u7406\u5c31\u4f1a\u8fd4\u56de\u3002\u5982\u679c\u5199\u5165\u7684\u6570\u636e\u5c0f\u4e8e\u7f13\u51b2\u533a\u7684\u5927\u5c0f\uff0c\u5219\u4f1a\u7acb\u5373\u8fd4\u56de\u3002<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">line<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span>\r\n<span class=\"k\">while<\/span> <span class=\"o\">(<\/span><span class=\"n\">total<\/span> <span class=\"o\">&lt;<\/span> <span class=\"n\">totalToRead<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"o\">!<\/span><span class=\"n\">stopped<\/span><span class=\"o\">)}<\/span>\r\n    <span class=\"n\">numBytesRead<\/span> <span class=\"o\">=<\/span> <span class=\"n\">stream<\/span><span class=\"o\">.<\/span><span class=\"na\">read<\/span><span class=\"o\">(<\/span><span class=\"n\">myData<\/span><span class=\"o\">,<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span> <span class=\"n\">numBytesToRead<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">numBytesRead<\/span> <span class=\"o\">==<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"o\">)<\/span> <span class=\"k\">break<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"n\">total<\/span> <span class=\"o\">+=<\/span> <span class=\"n\">numBytesRead<\/span><span class=\"o\">;<\/span> \r\n    <span class=\"n\">line<\/span><span class=\"o\">.<\/span><span class=\"na\">write<\/span><span class=\"o\">(<\/span><span class=\"n\">myData<\/span><span class=\"o\">,<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span> <span class=\"n\">numBytesRead<\/span><span class=\"o\">);<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u662f\u4e00\u4e2a\u793a\u4f8b\u3002<br \/>\nstart()\u548cstop()\u65b9\u6cd5\u662fDataLine\u7684\u65b9\u6cd5\u3002<\/p>\n<p>&nbsp;<\/p>\n<h1>\u5efa\u7acb\u518d\u751f\u7cfb\u7edf<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d0c3637434c4406be8232\/62-0.gif\" alt=\"2.gif\" \/>&nbsp;<\/p>\n<p>\u9605\u8bfb\u6b64\u5185\u5bb9\u540e\uff0c\u6211\u4eec\u8fc7\u53bb\u4e00\u76f4\u8ba4\u4e3aMixer\u662f\u5728Java\u5185\u751f\u6210\u7684\u5b9e\u4f8b\uff0c\u4f46\u6839\u636e\u4e0a\u9762\u7684\u94fe\u63a5\u6240\u8ff0\u3002<\/p>\n<p>\u7cfb\u7edf\u4e2d\u5b89\u88c5\u4e86\u591a\u4e2a\u6df7\u97f3\u5668\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u81f3\u5c11\u6709\u4e00\u4e2a\u7528\u4e8e\u97f3\u9891\u8f93\u5165\uff0c\u4e00\u4e2a\u7528\u4e8e\u97f3\u9891\u8f93\u51fa\u3002<\/p>\n<p>\u6709\u53ef\u80fd\u6307\u7684\u662f\u4f4d\u65bcWindows\u5167\u7684\u8edf\u9ad4\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u6839\u636e\u6240\u8ff0\uff0c\u53ef\u80fd\u662f\u901a\u8fc7AudioSystem\u7c7b\u5c06\u5177\u4f53\u7684Windows\u8f6f\u4ef6\u8fde\u63a5\u8d77\u6765\u3002<\/p>\n<h1>\u5173\u4e8eAudioSystem\u7c7b<\/p>\n<h3>\u83b7\u53d6\u683c\u5f0f\uff1a\u901a\u8fc7\u6307\u5b9a\u6587\u4ef6\u540d<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">javax.sound.sampled.AudioFileFormat<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">javax.sound.sampled.AudioSystem<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">javax.sound.sampled.UnsupportedAudioFileException<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.io.File<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.io.IOException<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">AudioSystem_test<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"kd\">throws<\/span> <span class=\"nc\">UnsupportedAudioFileException<\/span><span class=\"o\">,<\/span> <span class=\"nc\">IOException<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"start\"<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"nc\">AudioFileFormat<\/span> <span class=\"n\">format<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">AudioSystem<\/span><span class=\"o\">.<\/span><span class=\"na\">getAudioFileFormat<\/span><span class=\"o\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">File<\/span><span class=\"o\">(<\/span><span class=\"s\">\"C:\/Users\/~\/test2.wav\"<\/span><span class=\"o\">));<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">format<\/span><span class=\"o\">.<\/span><span class=\"na\">toString<\/span><span class=\"o\">());<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u7ed3\u679c<\/p>\n<pre class=\"post-pre\"><code>WAVE (.wav) file, byte length: 178382796, data format: PCM_SIGNED 96000.0 Hz,\r\n 32 bit, stereo, 8 bytes\/frame, little-endian, frame length: 22297844\r\n<\/code><\/pre>\n<p>MP3\u4e0d\u652f\u6301\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528WAV\u6587\u4ef6\u3002\u4f3c\u4e4e\u8fd8\u53ef\u4ee5\u4f7f\u7528AIFF\u3001AU\u548cSND\u683c\u5f0f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u97f3\u9891\u6587\u4ef6\u683c\u5f0f&nbsp;<\/p>\n<pre class=\"post-pre\"><code>        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">format<\/span><span class=\"o\">.<\/span><span class=\"na\">toString<\/span><span class=\"o\">());<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">format<\/span><span class=\"o\">.<\/span><span class=\"na\">getFormat<\/span><span class=\"o\">());<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">format<\/span><span class=\"o\">.<\/span><span class=\"na\">getType<\/span><span class=\"o\">());<\/span>\r\n        <span class=\"nc\">Map<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span><span class=\"nc\">Object<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">map<\/span> <span class=\"o\">=<\/span> <span class=\"n\">format<\/span><span class=\"o\">.<\/span><span class=\"na\">properties<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">format<\/span><span class=\"o\">.<\/span><span class=\"na\">getProperty<\/span><span class=\"o\">(<\/span><span class=\"s\">\"title\"<\/span><span class=\"o\">));<\/span>\r\n<\/code><\/pre>\n<p>\u53ef\u4ee5\u8fd9\u6837\u770b\u3002getProperty\u662fnull\u3002\u539f\u56e0\u4e0d\u660e\u3002<\/p>\n<h3>\u83b7\u53d6\u6df7\u97f3\u5668\u4fe1\u606f<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">javax.sound.sampled.AudioSystem<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">javax.sound.sampled.Mixer<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">javax.sound.sampled.UnsupportedAudioFileException<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.io.IOException<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">AudioSystem_test<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"kd\">throws<\/span> <span class=\"nc\">UnsupportedAudioFileException<\/span><span class=\"o\">,<\/span> <span class=\"nc\">IOException<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"start\"<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"nc\">Mixer<\/span><span class=\"o\">.<\/span><span class=\"na\">Info<\/span><span class=\"o\">[]<\/span> <span class=\"n\">info<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">AudioSystem<\/span><span class=\"o\">.<\/span><span class=\"na\">getMixerInfo<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"k\">for<\/span><span class=\"o\">(<\/span><span class=\"nc\">Mixer<\/span><span class=\"o\">.<\/span><span class=\"na\">Info<\/span> <span class=\"nl\">i:<\/span><span class=\"n\">info<\/span><span class=\"o\">){<\/span>\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">i<\/span><span class=\"o\">.<\/span><span class=\"na\">toString<\/span><span class=\"o\">());<\/span>\r\n        <span class=\"o\">}<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7ed3\u679c: \u4e1c\u897f\u53d8\u6210\u4e86\u8fd9\u6837\u3002<\/p>\n<pre class=\"post-pre\"><code>Port \u30d8\u30c3\u30c9\u30db\u30f3 (WI-C310 Stereo), version 0.0\r\nPort \u30d8\u30c3\u30c9\u30db\u30f3 (Realtek(R) Audio), version 10.0\r\nPort PL2492H (NVIDIA High Definition, version 10.0\r\n~\r\n\u30d8\u30c3\u30c9\u30bb\u30c3\u30c8 (WI-C310 Hands-Free AG A, version Unknown Version\r\n<\/code><\/pre>\n<p>\u4f60\u53ef\u4ee5\u83b7\u5f97\u6240\u6709\u6b63\u5728\u4f7f\u7528\u7684\u97f3\u9891\u8bbe\u5907\u3002<\/p>\n<p>\u5173\u4e8eMixer.Info\uff0c\u8bf7\u70b9\u51fb\u8fd9\u91cc\u3002<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">javax.sound.sampled.AudioSystem<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">javax.sound.sampled.Mixer<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">javax.sound.sampled.UnsupportedAudioFileException<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.io.IOException<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">AudioSystem_test<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"kd\">throws<\/span> <span class=\"nc\">UnsupportedAudioFileException<\/span><span class=\"o\">,<\/span> <span class=\"nc\">IOException<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"start\"<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"nc\">Mixer<\/span><span class=\"o\">.<\/span><span class=\"na\">Info<\/span><span class=\"o\">[]<\/span> <span class=\"n\">info<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">AudioSystem<\/span><span class=\"o\">.<\/span><span class=\"na\">getMixerInfo<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"k\">for<\/span><span class=\"o\">(<\/span><span class=\"nc\">Mixer<\/span><span class=\"o\">.<\/span><span class=\"na\">Info<\/span> <span class=\"nl\">i:<\/span><span class=\"n\">info<\/span><span class=\"o\">){<\/span>\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"----------------------------\"<\/span><span class=\"o\">);<\/span>\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">i<\/span><span class=\"o\">.<\/span><span class=\"na\">getName<\/span><span class=\"o\">());<\/span>\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">i<\/span><span class=\"o\">.<\/span><span class=\"na\">getDescription<\/span><span class=\"o\">());<\/span>\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">i<\/span><span class=\"o\">.<\/span><span class=\"na\">getVendor<\/span><span class=\"o\">());<\/span>\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">i<\/span><span class=\"o\">.<\/span><span class=\"na\">getVersion<\/span><span class=\"o\">());<\/span>\r\n\r\n        <span class=\"o\">}<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u5f97\u5230\u6df7\u97f3\u5668 (D\u00e9 q\u00ec)<br \/>\n\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u6839\u636e\u5148\u524d\u83b7\u5f97\u7684Mixer\u4fe1\u606f\u83b7\u53d6\u4e0e\u8033\u673a\u540d\u79f0\u5339\u914d\u7684Mixer\u3002<br \/>\n\u6211\u6b63\u5728\u4f7f\u7528\u65e0\u7ebf\u8033\u673aWI-C310\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">javax.sound.sampled.AudioSystem<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">javax.sound.sampled.Line<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">javax.sound.sampled.Mixer<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">javax.sound.sampled.UnsupportedAudioFileException<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.io.IOException<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">AudioSystem_test<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"kd\">throws<\/span> <span class=\"nc\">UnsupportedAudioFileException<\/span><span class=\"o\">,<\/span> <span class=\"nc\">IOException<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"start\"<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"nc\">Mixer<\/span><span class=\"o\">.<\/span><span class=\"na\">Info<\/span><span class=\"o\">[]<\/span> <span class=\"n\">info<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">AudioSystem<\/span><span class=\"o\">.<\/span><span class=\"na\">getMixerInfo<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"nc\">Mixer<\/span> <span class=\"n\">mixer<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">null<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"k\">for<\/span><span class=\"o\">(<\/span><span class=\"nc\">Mixer<\/span><span class=\"o\">.<\/span><span class=\"na\">Info<\/span> <span class=\"nl\">i:<\/span><span class=\"n\">info<\/span><span class=\"o\">){<\/span>\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">i<\/span><span class=\"o\">.<\/span><span class=\"na\">getName<\/span><span class=\"o\">());<\/span>\r\n            <span class=\"k\">if<\/span><span class=\"o\">(<\/span><span class=\"n\">i<\/span><span class=\"o\">.<\/span><span class=\"na\">getName<\/span><span class=\"o\">().<\/span><span class=\"na\">equals<\/span><span class=\"o\">(<\/span><span class=\"s\">\"Port \u30d8\u30c3\u30c9\u30db\u30f3 (WI-C310 Stereo)\"<\/span><span class=\"o\">)){<\/span>\r\n                <span class=\"n\">mixer<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">AudioSystem<\/span><span class=\"o\">.<\/span><span class=\"na\">getMixer<\/span><span class=\"o\">(<\/span><span class=\"n\">i<\/span><span class=\"o\">);<\/span>\r\n                <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"find\"<\/span><span class=\"o\">);<\/span>\r\n                <span class=\"k\">break<\/span><span class=\"o\">;<\/span>\r\n            <span class=\"o\">}<\/span>\r\n        <span class=\"o\">}<\/span>\r\n        <span class=\"nc\">Line<\/span><span class=\"o\">[]<\/span> <span class=\"n\">lines<\/span> <span class=\"o\">=<\/span> <span class=\"n\">mixer<\/span><span class=\"o\">.<\/span><span class=\"na\">getTargetLines<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">lines<\/span><span class=\"o\">.<\/span><span class=\"na\">length<\/span><span class=\"o\">);<\/span>\r\n        \r\n        <span class=\"k\">for<\/span><span class=\"o\">(<\/span><span class=\"nc\">Line<\/span> <span class=\"nl\">i:<\/span><span class=\"n\">lines<\/span><span class=\"o\">){<\/span>\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">i<\/span><span class=\"o\">.<\/span><span class=\"na\">toString<\/span><span class=\"o\">());<\/span>\r\n        <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7ed3\u679c\uff0c\u4f3c\u4e4e\u6210\u529f\u83b7\u53d6\u4e86\u6df7\u97f3\u5668\uff0c\u4f46\u662f\u6ca1\u6709\u8fde\u63a5\u4efb\u4f55\u6570\u636e\u7ebf\u5230\u8c03\u97f3\u53f0\u3002<\/p>\n<h1>\u4f7f\u7528Clip\u5b9e\u4f8b\u8fdb\u884c\u64ad\u653e<br \/>\n&nbsp;<\/p>\n<p>\u8fd9\u5c06\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u53c2\u8003\u3002<\/p>\n<p>\u83b7\u53d6AudioInputStream\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">clip<\/span><span class=\"o\">.<\/span><span class=\"na\">open<\/span><span class=\"o\">(<\/span><span class=\"nc\">AudioInputStream<\/span><span class=\"o\">);<\/span>\r\n<\/code><\/pre>\n<p>\u4f60\u6b63\u5728\u64ad\u653e\u4e2d\u3002<\/p>\n<p>\u6700\u521d\u63d0\u5230\u7684<\/p>\n<p>&nbsp;<\/p>\n<p>\u8fd9\u8fb9\u4e5f\u53ef\u4ee5<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">clip<\/span><span class=\"o\">.<\/span><span class=\"na\">open<\/span><span class=\"o\">(<\/span><span class=\"nc\">AudioFormat<\/span> <span class=\"n\">format<\/span><span class=\"o\">,<\/span> <span class=\"kt\">byte<\/span><span class=\"o\">[]<\/span> <span class=\"n\">data<\/span><span class=\"o\">,<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">offset<\/span><span class=\"o\">,<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">bufferSize<\/span><span class=\"o\">);<\/span>\r\n<\/code><\/pre>\n<p>\u6b63\u5728\u4f7f\u7528\u7684\u8fdb\u884c\u518d\u751f\u3002<\/p>\n<h1>\u4f7f\u7528SourceDataLine\u8fdb\u884c\u64ad\u653e\u8fd9\u4e2a\u8fc7\u7a0b\u8ddfClip\u7c7b\u4f3c\uff0c\u5148\u901a\u8fc7open\u65b9\u6cd5\u5206\u914d\u5185\u5b58\u548c\u5176\u4ed6\u8d44\u6e90\uff0c\u7136\u540e\u901a\u8fc7write\u65b9\u6cd5\u5c06\u6570\u636e\u5199\u5165\u7f13\u51b2\u533a\u3002<\/p>\n<p>\u6211\u4e0d\u786e\u5b9a\u662f\u5426\u9700\u8981\u8fde\u63a5\u5230\u6df7\u9891\u5668\u7b49\u8bbe\u5907\u4e0a\uff0c\u8fd8\u662f\u4f1a\u81ea\u52a8\u8fde\u63a5\u3002<br \/>\n\u54ce\uff0c\u65e0\u6240\u8c13\u4e86\u3002\u6211\u4eec\u8bd5\u7740\u6a21\u4effClip\u7684\u4ee3\u7801\u6765\u521b\u5efa\u4e00\u4e0b\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">javax.sound.sampled.*<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">SourceDataLine_test<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"kd\">throws<\/span> <span class=\"nc\">InterruptedException<\/span><span class=\"o\">,<\/span> <span class=\"nc\">LineUnavailableException<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"kt\">byte<\/span><span class=\"o\">[]<\/span> <span class=\"n\">wave_data<\/span><span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"kt\">byte<\/span><span class=\"o\">[<\/span><span class=\"mi\">44100<\/span><span class=\"o\">*<\/span><span class=\"mi\">2<\/span><span class=\"o\">];<\/span>                      <span class=\"c1\">\/\/ @A-sta@<\/span>\r\n        <span class=\"kt\">double<\/span> <span class=\"n\">l1<\/span>      <span class=\"o\">=<\/span> <span class=\"mf\">44100.0<\/span><span class=\"o\">\/<\/span><span class=\"mf\">440.0<\/span><span class=\"o\">;<\/span>    <span class=\"c1\">\/\/ A 440hz<\/span>\r\n        <span class=\"k\">for<\/span><span class=\"o\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">i<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span><span class=\"o\">;<\/span><span class=\"n\">i<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">wave_data<\/span><span class=\"o\">.<\/span><span class=\"na\">length<\/span><span class=\"o\">;<\/span><span class=\"n\">i<\/span><span class=\"o\">++){<\/span>\r\n            <span class=\"n\">wave_data<\/span><span class=\"o\">[<\/span><span class=\"n\">i<\/span><span class=\"o\">]=<\/span> <span class=\"o\">(<\/span><span class=\"kt\">byte<\/span><span class=\"o\">)(<\/span><span class=\"mi\">110<\/span><span class=\"o\">*<\/span><span class=\"nc\">Math<\/span><span class=\"o\">.<\/span><span class=\"na\">sin<\/span><span class=\"o\">((<\/span><span class=\"n\">i<\/span><span class=\"o\">\/<\/span><span class=\"n\">l1<\/span><span class=\"o\">)*<\/span><span class=\"nc\">Math<\/span><span class=\"o\">.<\/span><span class=\"na\">PI<\/span><span class=\"o\">*<\/span><span class=\"mi\">2<\/span><span class=\"o\">));<\/span>\r\n        <span class=\"o\">}<\/span>                                                      <span class=\"c1\">\/\/@A-end@<\/span>\r\n\r\n        <span class=\"nc\">AudioFormat<\/span> <span class=\"n\">frmt<\/span><span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">AudioFormat<\/span><span class=\"o\">(<\/span><span class=\"mi\">44100<\/span><span class=\"o\">,<\/span><span class=\"mi\">8<\/span><span class=\"o\">,<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"kc\">true<\/span><span class=\"o\">,<\/span><span class=\"kc\">false<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"nc\">DataLine<\/span><span class=\"o\">.<\/span><span class=\"na\">Info<\/span> <span class=\"n\">info<\/span><span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">DataLine<\/span><span class=\"o\">.<\/span><span class=\"na\">Info<\/span><span class=\"o\">(<\/span><span class=\"nc\">SourceDataLine<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">,<\/span><span class=\"n\">frmt<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"nc\">SourceDataLine<\/span> <span class=\"n\">source<\/span> <span class=\"o\">=<\/span> <span class=\"o\">(<\/span><span class=\"nc\">SourceDataLine<\/span><span class=\"o\">)<\/span> <span class=\"nc\">AudioSystem<\/span><span class=\"o\">.<\/span><span class=\"na\">getLine<\/span><span class=\"o\">(<\/span><span class=\"n\">info<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"n\">source<\/span><span class=\"o\">.<\/span><span class=\"na\">open<\/span><span class=\"o\">(<\/span><span class=\"n\">frmt<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">source<\/span><span class=\"o\">.<\/span><span class=\"na\">toString<\/span><span class=\"o\">());<\/span>\r\n\r\n        <span class=\"n\">source<\/span><span class=\"o\">.<\/span><span class=\"na\">flush<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"n\">source<\/span><span class=\"o\">.<\/span><span class=\"na\">write<\/span><span class=\"o\">(<\/span><span class=\"n\">wave_data<\/span><span class=\"o\">,<\/span><span class=\"mi\">0<\/span><span class=\"o\">,<\/span><span class=\"n\">wave_data<\/span><span class=\"o\">.<\/span><span class=\"na\">length<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"n\">source<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">source<\/span><span class=\"o\">.<\/span><span class=\"na\">getBufferSize<\/span><span class=\"o\">());<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">source<\/span><span class=\"o\">.<\/span><span class=\"na\">available<\/span><span class=\"o\">());<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">source<\/span><span class=\"o\">.<\/span><span class=\"na\">isRunning<\/span><span class=\"o\">());<\/span>\r\n        <span class=\"nc\">Thread<\/span><span class=\"o\">.<\/span><span class=\"na\">sleep<\/span><span class=\"o\">(<\/span><span class=\"mi\">3000<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">source<\/span><span class=\"o\">.<\/span><span class=\"na\">isRunning<\/span><span class=\"o\">());<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n<span class=\"o\">}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u66ab\u4e14\u6709\u8072\u97f3\u97ff\u8d77\u3002<\/p>\n<h1>MIDI \u662f\u4e00\u79cd\u97f3\u9891\u77ed\u6d88\u606f\u4f20\u8f93\u534f\u8bae\u3002<br \/>\n\u97f3\u6a02\u8b5c\u3001\u6f14\u594f\u8cc7\u8a0a\u3001\u901a\u8a0a\u6a19\u6e96\uff0c\u8207\u901a\u8a0a\u96fb\u7e9c\u7121\u95dc\u3002<\/p>\n<p>\u5229\u7528MIDI\u4fe1\u606f\u751f\u6210\u97f3\u4e50\u7684\u97f3\u9891\u6e90\u3002<\/p>\n<p>DAW\uff08\u6570\u5b57\u97f3\u9891\u5de5\u4f5c\u7ad9\uff09\u662f\u4e00\u79cd\u8f6f\u4ef6\uff0c\u53ef\u4ee5\u7f16\u8f91MIDI\u4fe1\u606f\u3001\u97f3\u9891\u3001\u6df7\u97f3\u5668\u548c\u6548\u679c\u5668\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u8ff0\u6211\u7684\u76ee\u6807\u662f\u7528Java\u5236\u4f5c\u5408\u6210\u5668\u3002\u8981\u6dfb\u52a0\u7684\u529f\u80fd\u662f \u30ad\u30fc\u30dc\u30fc\u30c9\u3068\u30c9\u30ec\u30df\u30d5\u30a1\u30bd\u30e9\u30b7\u30c9\u3092\u7d10\u3065\u3051\u3066\u3001\u30d4\u30a2\u30ce\u306e\u3088\u3046\u306b\u3059 [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31358","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5173\u4e8eJava\u7684\u97f3\u9891\u91c7\u6837 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u5173\u4e8eJava\u7684\u97f3\u9891\u91c7\u6837\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5173\u4e8ejava\u7684\u97f3\u9891\u91c7\u6837\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5173\u4e8eJava\u7684\u97f3\u9891\u91c7\u6837\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u5173\u4e8eJava\u7684\u97f3\u9891\u91c7\u6837\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5173\u4e8ejava\u7684\u97f3\u9891\u91c7\u6837\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-04T13:12:16+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-12T15:38:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d0c3637434c4406be8232\/15-0.png\" \/>\n<meta name=\"author\" content=\"\u5b87, \u534e\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta 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