m4a格式转换成MP3的方法

[[{"txt": "\u5927\u90e8\u5206\u4eba\u5e94\u8be5\u90fd\u4e0d\u77e5\u9053\u600e\u4e48\u628aM4A\u683c\u5f0f\u6587\u4ef6\u8f6c\u6362\u6210MP3\u7684\u65b9\u6cd5\u5427\uff0c\u5728\u65e5\u5e38\u5462\u4e5f\u4f1a\u78b0\u5230\u4e00\u4e9b\u97f3\u9891\u683c\u5f0f\u7684\u8f6c\u6362\uff0c\u81ea\u5df1\u4e0d\u4f1a\u4e5f\u5f88\u82e6\u607c\uff0c\u90a3\u4e48\u60f3\u8981\u628aM4A\u683c\u5f0f\u7684\u6587\u4ef6\u8f6c\u6362\u6210MP3\u5230\u5e95\u8be5\u4ece\u4f55\u4e0b\u624b\u5462\uff0c\u7ed9\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e2a\u975e\u5e38\u7b80\u4fbf\u6613\u61c2\u7684\u65b9\u6cd5\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/6ca98461862541936a7af7b7df1bd10ff326ab25.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}], [{"txt": ["\u5de5\u5177/\u539f\u6599"]}, {"txt": "\u89c6\u9891\u8f6c\u6362\u5668"}, {"txt": "M4A\u8f6c\u6362MP3"}], [{"txt": ["\u65b9\u6cd5/\u6b65\u9aa4"]}, {"txt": "\u65b9\u6cd5\u4e00\uff1a\u76f4\u63a5\u641c\u7d22\u8fdb\u5165\u5230\u8f6c\u6362\u7684\u7f51\u7ad9\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u5728\u6d4f\u89c8\u5668\u4e0a\u641c\u7d22\u8fdb\u5165\u3002\u5ba2\u6237\u7aef\u8f6c\u6362\u4e5f\u53ef\u4ee5\uff0c\u4e0b\u8f7d\u5b89\u88c5\u89c6\u9891\u8f6c\u6362\u5668\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/304f0999e92abab8ecd22d4d4814f1c594eea125.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u65b9\u6cd5\u4e8c\uff1a\u53cc\u51fb\u6253\u5f00\u8f6f\u4ef6\u7684\u754c\u9762\uff0c\u8fdb\u5165\u754c\u9762\u4e4b\u540e\u9009\u62e9\u627e\u5230\u5de6\u4fa7\u7684\u89c6\u9891\u8f6c\u6362\uff0c\u627e\u5230\u89c6\u9891\u8f6c\u6362\u4ee5\u540e\u70b9\u51fb\u754c\u9762\u4e2d\u7684\u6dfb\u52a0\u6587\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u627e\u5230\u6587\u4ef6\u7684\u8def\u5f84\u7136\u540e\u8fd4\u56de\u5230\u89c6\u9891\u6587\u4ef6\u7684\u5730\u65b9\uff0c\u76f4\u63a5\u628a\u6587\u4ef6\u62d6\u62fd\u8fdb\u5165\u4e5f\u662f\u53ef\u4ee5\u7684\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/c255efc595ee41c103b5ebe08d88912ca4ca9b25.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u65b9\u6cd5\u4e09\uff1a\u5982\u679c\u9700\u8981\u8f6c\u6362\u7684\u6587\u4ef6\u89c6\u9891\u5c31\u5728\u7535\u8111\u684c\u9762\u7684\u8bdd\uff0c\u76f4\u63a5\u5728\u7535\u8111\u684c\u9762\u628a\u97f3\u9891\u63a8\u62fd\u5230\u91cc\u9762\u4e5f\u53ef\u4ee5\u3002\u9700\u8981\u8f6c\u6362\u597d\u51e0\u4e2a\u6587\u4ef6\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u70b9\u51fb\u7ee7\u7eed\u6dfb\u52a0\u6587\u4ef6\uff0c\u628a\u9700\u8981\u8f6c\u6362\u7684\u6587\u4ef6\u653e\u5165\u91cc\u9762\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/906dbbcadce89048bb6e3044130e5f2042719225.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u65b9\u6cd5\u56db\uff1a\u89c6\u9891\u6dfb\u52a0\u8fdb\u53bb\u540e\u5de6\u4e0b\u89d2\u6709\u4e00\u4e2a\u201c\u8f93\u5165\u683c\u5f0f\u201d\u5728\u91cc\u9762\u9ed8\u8ba4\u7684\u4e00\u822c\u662f\u89c6\u9891\u5217\uff0c\u7136\u540e\u627e\u5230\u97f3\u9891\u5217\u5728\u97f3\u9891\u5217\u4e2d\u627e\u5230MP3\u683c\u5f0f\u9009\u4e2d\uff0c\u7136\u540e\u9009\u62e9\u97f3\u9891\u7684\u54c1\u8d28\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/5e615d715fdb36207ba88a3aabc5260f89358d25.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u65b9\u6cd5\u4e94\uff1a\u9009\u62e9\u5b8c\u6210\u540e\u6211\u4eec\u8fd8\u8981\u8bbe\u7f6e\u97f3\u9891\u7684\u4e00\u4e2a\u53c2\u6570\uff0c\u70b9\u51fb\u5bf9\u8bdd\u6846\u4e2d\u7684\u201c\u6dfb\u52a0\u81ea\u5b9a\u4e49\u8bbe\u7f6e\u201d\u8fdb\u5230\u91cc\u9762\u540e\u628a\u5bf9\u5e94\u7684\u53c2\u6570\u5168\u90e8\u586b\u5199\u5b8c\u6210\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/2184380f8835dd8a914c02b403013870d4418725.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u65b9\u6cd5\u516d\uff1a\u70b9\u51fb\u201c\u786e\u5b9a\u201d\u6309\u94ae\u5373\u53ef\uff0c\u6700\u540e\u70b9\u51fb\u5168\u90e8\u8f6c\u6362\uff0c\u8f6c\u6362\u8fc7\u7a0b\u4e2d\u4f1a\u6709\u4e00\u4e2a\u767e\u5206\u6570\u51fa\u73b0\uff0c\u7b49\u5230\u97f3\u9891\u8f6c\u6362\u5230\u767e\u5206\u4e4b\u767e\u4e4b\u5c31\u5b8c\u6210\u8f6c\u6362\u4e86\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/3931cb413a8ca6086a9dd34fdb8c9bcec6f8fe25.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}], [{"txt": ["\u6ce8\u610f\u4e8b\u9879"]}, {"txt": "\u603b\u7ed3\uff1a\u6bcf\u4e00\u6b65\u90fd\u5199\u7684\u90fd\u975e\u5e38\u8be6\u7ec6\u4e86\uff0c\u76f8\u4fe1\u4f60\u4e00\u770b\u5c31\u61c2\uff0c"}, {"txt": "\u672c\u7ecf\u9a8c\u539f\u521b\u8f6c\u8f7d\u8bf7\u6ce8\u660e"}]]