{"id":39344,"date":"2023-02-02T18:16:55","date_gmt":"2023-01-27T23:09:54","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/angular-%e4%bd%bf%e7%94%a8-aws-transcribe-streaming-%e5%ae%9e%e7%8e%b0%e6%96%87%e5%ad%97%e8%bd%ac%e5%bd%95%e7%9a%84%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a0%81\/"},"modified":"2024-04-29T12:47:50","modified_gmt":"2024-04-29T04:47:50","slug":"angular-%e4%bd%bf%e7%94%a8-aws-transcribe-streaming-%e5%ae%9e%e7%8e%b0%e6%96%87%e5%ad%97%e8%bd%ac%e5%bd%95%e7%9a%84%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a0%81","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/angular-%e4%bd%bf%e7%94%a8-aws-transcribe-streaming-%e5%ae%9e%e7%8e%b0%e6%96%87%e5%ad%97%e8%bd%ac%e5%bd%95%e7%9a%84%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a0%81\/","title":{"rendered":"[Angular] \u4f7f\u7528 AWS Transcribe Streaming \u5b9e\u73b0\u6587\u5b57\u8f6c\u5f55\u7684\u793a\u4f8b\u4ee3\u7801"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u5982\u9898\u6240\u8ff0\uff0c\u8fd9\u662f\u4e00\u4e2a\u4f7f\u7528Angular\u5b9e\u73b0\u5b9e\u65f6\u8f6c\u5f55\u7684\u6837\u4f8b\uff0c\u4f7f\u7528\u4e86AWS Transcribe Streaming\u3002<\/p>\n

\u7ecf\u8fc7\u591a\u6b21\u8bd5\u9a8c\u548c\u9519\u8bef\uff0c\u6211\u67e5\u627e\u5e76\u5c1d\u8bd5\u4e86\u4e00\u4e9b\u5185\u5bb9\uff0c\u6bd4\u5982\u201c\u5f00\u5173\u9ea6\u514b\u98ce\u201d\u3001\u201c\u97f3\u9891\u6d41\u7684\u521b\u5efa\u65b9\u6cd5\u201d\u3001\u201cAWS SDK \u7684\u4f7f\u7528\u65b9\u6cd5\u201d\u7b49\u7b49\u3002\u6211\u60f3\u628a\u5b83\u4eec\u8bb0\u5f55\u4e0b\u6765\uff0c\u4f5c\u4e3a\u4e00\u7bc7\u6587\u7ae0\u7559\u5b58\u4e0b\u6765\u3002\u5982\u679c\u80fd\u591f\u5bf9\u9047\u5230\u7c7b\u4f3c\u95ee\u9898\u7684\u4eba\u63d0\u4f9b\u4e00\u4e9b\u5e2e\u52a9\uff0c\u6211\u5c06\u611f\u5230\u975e\u5e38\u5e78\u8fd0\u3002<\/p>\n

\u5982\u679c\u6709\u66f4\u597d\u7684\u65b9\u6cd5\u6216\u8005\u5bf9\u6587\u7ae0\u4e2d\u7684\u89e3\u91ca\u3001\u4ee3\u7801\u6709\u9519\u8bef\u7684\u5730\u65b9\uff0c\u8bf7\u60a8\u63d0\u51fa\u6307\u6b63\uff0c\u5c06\u4e0d\u80dc\u611f\u6fc0\u3002<\/p>\n

\u73af\u5883<\/h1>\n

\u5728Angular v14\u4e0a\u8fdb\u884c\u786e\u8ba4<\/h2>\n
\n
\u74b0\u5883\u30d0\u30fc\u30b8\u30e7\u30f3\u5099\u8003Angular CLI<\/a>v14.2.10$ ng version<\/code>Angular<\/a>v14.2.12\u540c\u4e0aTypeScript<\/a>v4.7.4\u540c\u4e0aNode.js<\/a>v16.19.0$ node --version<\/code>npm<\/a>v8.19.3$ npm --version<\/code>@aws-sdk\/client-transcribe-streaming<\/a>v3.226.0package.json \u3067\u78ba\u8a8dmicrophone-stream<\/a>v6.0.1\u540c\u4e0aprocess<\/a>v0.11.10\u540c\u4e0abuffer<\/a>v6.0.3\u540c\u4e0a<\/div>\n<\/div>\n
Angular\u7248\u672c\u7684\u8be6\u7ec6\u4fe1\u606f\uff08ng version\u7684\u7ed3\u679c\uff09
\n$ ng version_ _ ____ _ ___
\n\/ \\ _ __ __ _ _ _| | __ _ _ __ \/ ___| | |_ _|
\n\/ \u25b3 \\ | ‘_ \\ \/ _` | | | | |\/ _` | ‘__| | | | | | |
\n\/ ___ \\| | | | (_| | |_| | | (_| | | | |___| |___ | |
\n\/_\/ \\_\\_| |_|\\__, |\\__,_|_|\\__,_|_| \\____|_____|___|
\n|___\/<\/p>\n

Angular CLI: 14.2.10
\nNode: 16.19.0
\n\u5305\u7ba1\u7406\u5668: npm 8.19.3
\n\u64cd\u4f5c\u7cfb\u7edf: darwin x64<\/p>\n

Angular: 14.2.12
\n… \u52a8\u753b\uff0c\u901a\u7528\uff0c\u7f16\u8bd1\u5668\uff0c\u7f16\u8bd1\u5668-cli\uff0c\u6838\u5fc3\uff0c\u8868\u5355
\n… \u5e73\u53f0\u6d4f\u89c8\u5668\uff0c\u5e73\u53f0\u6d4f\u89c8\u5668\u52a8\u6001\uff0c\u8def\u7531\u5668<\/p>\n

\u5305 \u7248\u672c
\n———————————————————
\n@angular-devkit\/architect 0.1402.10
\n@angular-devkit\/build-angular 14.2.10
\n@angular-devkit\/core 14.2.10
\n@angular-devkit\/schematics 14.2.10
\n@angular\/cdk 14.2.7
\n@angular\/cli 14.2.10
\n@angular\/material 14.2.7
\n@schematics\/angular 14.2.10
\nrxjs 6.6.7
\ntypescript 4.7.4<\/p>\n<\/details>\n

\u5728Angular v13\u8fdb\u884c\u786e\u8ba4<\/h2>\n
\n
\u74b0\u5883\u30d0\u30fc\u30b8\u30e7\u30f3\u5099\u8003Angular CLI<\/a>v13.2.4$ ng --version<\/code>Angular<\/a>v13.2.3\u540c\u4e0aTypeScript<\/a>v4.5.5\u540c\u4e0aNode.js<\/a>v14.17.0$ node --version<\/code>npm<\/a>v6.14.13$ npm --version<\/code>@aws-sdk\/client-transcribe-streaming<\/a>v3.95.0package.json \u3067\u78ba\u8a8dmicrophone-stream<\/a>v6.0.1\u540c\u4e0aprocess<\/a>v0.11.10\u540c\u4e0abuffer<\/a>v6.0.3\u540c\u4e0a<\/div>\n<\/div>\n
Angular \u7684\u7248\u672c\u8be6\u7ec6\u4fe1\u606f(ng version \u7684\u7ed3\u679c)
\n$ ng version_ _ ____ _ ___
\n\/ \\ _ __ __ _ _ _| | __ _ _ __ \/ ___| | |_ _|
\n\/ \u25b3 \\ | ‘_ \\ \/ _` | | | | |\/ _` | ‘__| | | | | | |
\n\/ ___ \\| | | | (_| | |_| | | (_| | | | |___| |___ | |
\n\/_\/ \\_\\_| |_|\\__, |\\__,_|_|\\__,_|_| \\____|_____|___|
\n|___\/<\/p>\n

Angular CLI: 13.2.4
\nNode: 14.17.0
\n\u5305\u7ba1\u7406\u5668: npm 6.14.13
\n\u64cd\u4f5c\u7cfb\u7edf: darwin x64<\/p>\n

Angular: 13.2.3
\n… animations, common, compiler, compiler-cli, core, forms
\n… platform-browser, platform-browser-dynamic, router<\/p>\n

\u5305 \u7248\u672c
\n———————————————————
\n@angular-devkit\/architect 0.1302.4
\n@angular-devkit\/build-angular 13.2.4
\n@angular-devkit\/core 13.2.4
\n@angular-devkit\/schematics 13.2.4
\n@angular\/cli 13.2.4
\n@schematics\/angular 13.2.4
\nrxjs 6.6.0
\ntypescript 4.5.5<\/p>\n<\/details>\n

\u5148\u51b3\u6761\u4ef6<\/h1>\n

\u4f7f\u7528AWS Transcribe Streaming\u8fdb\u884c\u8bed\u97f3\u8bc6\u522b\u548c\u6587\u5b57\u8f6c\u5f55\u65f6\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u4ee5\u4e0b\u7684SDK\u548c\u5e93\u3002<\/p>\n

@aws-sdk\/client-transcribe-streaming<\/p>\n

npm \u306f \u3053\u3061\u3089<\/p>\n

microphone-stream<\/p>\n

npm \u306f \u3053\u3061\u3089<\/p>\n

process<\/p>\n

npm \u306f \u3053\u3061\u3089<\/p>\n

buffer<\/p>\n

npm \u306f \u3053\u3061\u3089<\/p>\n

\u4e8b\u524d\u51c6\u5907<\/h1>\n

\u4e3a\u4e86\u540e\u7eed\u7ec4\u4ef6\u7684\u5b9e\u73b0\uff0c\u6211\u4eec\u5c06\u5728\u6b64\u4e4b\u524d\u8fdb\u884c\u4ee5\u4e0b\u64cd\u4f5c\u3002<\/p>\n

    \n
  1. \n
      \u4ee5\u4e0b\u662f\u5bf9\u4e0a\u8ff0\u5185\u5bb9\u7684\u4e2d\u6587\u672c\u5730\u5316\u7ffb\u8bd1\uff1a<\/ol>\n<\/li>\n<\/ol>\n

      \u5b89\u88c5 @aws-sdk\/client-transcribe-streaming
      \n\uff08\u4ece npm \u9875\u9762\u590d\u5236\u5e76\u7c98\u8d34\uff09
      \n$ npm i @aws-sdk\/client-transcribe-streaming<\/p>\n

      \u5b89\u88c5 microphone-stream
      \n\uff08\u4ece npm \u9875\u9762\u590d\u5236\u5e76\u7c98\u8d34\uff09
      \n$ npm i microphone-stream<\/p>\n

      \u5b89\u88c5 process
      \n\uff08\u4ece npm \u9875\u9762\u590d\u5236\u5e76\u7c98\u8d34\uff09
      \n$ npm i process<\/p>\n

      \u5b89\u88c5 buffer
      \n\uff08\u4ece npm \u9875\u9762\u590d\u5236\u5e76\u7c98\u8d34\uff09
      \n$ npm i buffer<\/p>\n

      \u7f16\u8f91 polyfills.ts
      \n\/\/ \u89e3\u51b3 “global is not defined” \u7684\u95ee\u9898
      \n(window as any).global = window;<\/p>\n

      \/\/ \u53c2\u8003\uff1ahttps:\/\/stackoverflow.com\/questions\/50313745\/angular-6-process-is-not-defined-when-trying-to-serve-application
      \n\/\/ \u53c2\u8003\uff1ahttps:\/\/www.npmjs.com\/package\/process
      \nimport * as process from ‘process’;
      \nwindow.process = process;<\/p>\n

      \/\/ \u53c2\u8003\uff1ahttps:\/\/github.com\/isaacs\/core-util-is\/issues\/27
      \n\/\/ \u53c2\u8003\uff1ahttps:\/\/www.npmjs.com\/package\/buffer
      \nimport * as buffer from ‘buffer’;
      \n(window as any).Buffer = buffer.Buffer;<\/p>\n

      \u5b9e\u65bd<\/h1>\n

      \u6a21\u677f<\/h2>\n

      \u8fd9\u53ea\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7ed3\u6784\uff0c\u53ef\u4ee5\u63a7\u5236\u97f3\u9891\u8bc6\u522b\u7684\u5f00\u59cb\u548c\u7ed3\u675f\uff0c\u5e76\u8f93\u51fa\u8f6c\u5f55\u7684\u4fe1\u606f\u3002<\/p>\n

      <div><\/span>\r\n  <div<\/span> class=<\/span>\"title\"<\/span>><\/span>\r\n    <h2<\/span> class=<\/span>\"h2-style\"<\/span>><\/span>{{title}}<\/h2><\/span>\r\n  <\/div><\/span>\r\n  <div><\/span>\r\n    <button<\/span> type=<\/span>\"button\"<\/span> class=<\/span>\"event-button event-button-w-100\"<\/span> (click)=<\/span>\"startVoiceRecognition($event)\"<\/span>><\/span>\u97f3\u58f0\u8a8d\u8b58-\u958b\u59cb<\/button><\/span>\r\n    <button<\/span> type=<\/span>\"button\"<\/span> class=<\/span>\"event-button event-button-w-100\"<\/span> (click)=<\/span>\"stopVoiceRecognition($event)\"<\/span>><\/span>\u97f3\u58f0\u8a8d\u8b58-\u7d42\u4e86<\/button><\/span>\r\n  <\/div><\/span>\r\n  <div<\/span> class=<\/span>\"output-area\"<\/span>><\/span>\r\n    <textarea<\/span> class=<\/span>\"output-text\"<\/span> readonly<\/span> placeholder=<\/span>\"AWS Transcribe Streaming \u3067\u6587\u5b57\u5909\u63db\u3055\u308c\u305f\u60c5\u5831\u304c\u51fa\u529b\u3055\u308c\u307e\u3059.\"<\/span>><\/textarea><\/span>\r\n  <\/div><\/span>\r\n<\/div><\/span>\r\n<\/code><\/pre>\n
      \u4e3b\u8981\u90e8\u5206<\/h2>\n
      \u4f7f\u7528AWS SDK\u8fdb\u884c\u8bed\u97f3\u8bc6\u522b\u548c\u8f6c\u5f55\u7684\u793a\u4f8b\u4ee3\u7801\u3002
      \n\u8bf7\u53c2\u8003\u4ee3\u7801\u4e2d\u7684\u6ce8\u91ca\u4ee5\u83b7\u53d6\u6709\u5173\u6bcf\u4e2a\u64cd\u4f5c\u7684\u8be6\u7ec6\u8bf4\u660e\u3002<\/p>\n
      \/* eslint-disable @typescript-eslint\/no-non-null-assertion *\/<\/span>\r\n\/* eslint-disable prefer-arrow\/prefer-arrow-functions *\/<\/span>\r\n\/* eslint-disable @typescript-eslint\/naming-convention *\/<\/span>\r\nimport<\/span> {<\/span> Component<\/span>,<\/span> ElementRef<\/span>,<\/span> OnInit<\/span> }<\/span> from<\/span> '<\/span>@angular\/core<\/span>'<\/span>;<\/span>\r\n\r\n\/\/ AWS Transcribe Streaming \u3092\u4f7f\u3063\u305f\u6587\u5b57\u8d77\u3053\u3057\u306b\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u7fa4<\/span>\r\n\/\/ https:\/\/github.com\/aws\/aws-sdk-js-v3\/tree\/d8475f8d972d28fbc15cd7e23abfe18f9eab0644\/clients\/client-transcribe-streaming<\/span>\r\nimport<\/span> {<\/span>\r\n  TranscribeStreamingClient<\/span>,<\/span>\r\n  StartStreamTranscriptionCommand<\/span>,<\/span>\r\n  StartStreamTranscriptionCommandInput<\/span>,<\/span>\r\n  LanguageCode<\/span>,<\/span>\r\n  MediaEncoding<\/span>,<\/span>\r\n  StartStreamTranscriptionCommandOutput<\/span>,<\/span>\r\n}<\/span> from<\/span> '<\/span>@aws-sdk\/client-transcribe-streaming<\/span>'<\/span>;<\/span>\r\n\r\n\/\/ AWS Transcribe Streaming \u306b\u6d41\u3059 audio \u30c7\u30fc\u30bf\u3092\u4f5c\u308b\u306e\u306b\u5fc5\u8981<\/span>\r\n\/\/ https:\/\/github.com\/microphone-stream\/microphone-stream#readme<\/span>\r\nconst<\/span> MicrophoneStream<\/span> =<\/span> require<\/span>(<\/span>'<\/span>microphone-stream<\/span>'<\/span>).<\/span>default<\/span>;<\/span>\r\nlet<\/span> micStream<\/span>:<\/span> any<\/span> =<\/span> null<\/span>;<\/span>\r\n\r\n@<\/span>Component<\/span>({<\/span>\r\n  selector<\/span>:<\/span> '<\/span>app-use-aws-transcribe-streaming<\/span>'<\/span>,<\/span>\r\n  templateUrl<\/span>:<\/span> '<\/span>.\/use-aws-transcribe-streaming.component.html<\/span>'<\/span>,<\/span>\r\n  styleUrls<\/span>:<\/span> [<\/span>'<\/span>..\/..\/..\/style\/common.css<\/span>'<\/span>,<\/span> '<\/span>.\/use-aws-transcribe-streaming.component.css<\/span>'<\/span>],<\/span>\r\n})<\/span>\r\nexport<\/span> class<\/span> UseAwsTranscribeStreamingComponent<\/span> implements<\/span> OnInit<\/span> {<\/span>\r\n  title<\/span> =<\/span> '<\/span>AWS Transcribe Streaming \u3092\u4f7f\u3063\u305f\u30b5\u30f3\u30d7\u30eb<\/span>'<\/span>;<\/span>\r\n\r\n  private<\/span> outputArea<\/span>:<\/span> any<\/span> =<\/span> null<\/span>;<\/span>\r\n\r\n  \/\/ AWS Transcribe Streaming \u3092\u4f7f\u3046\u305f\u3081\u306e\u6e96\u5099<\/span>\r\n  \/\/ \u3053\u306e\u51e6\u7406\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u751f\u6210\u3055\u308c\u308b<\/span>\r\n  \/\/ \u3053\u3053\u3067\u751f\u6210\u3057\u305f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u5f8c\u8ff0\u306e\u51e6\u7406\u3067 AWS Transcribe Streaming \u306b\u30b3\u30de\u30f3\u30c9\u3092\u9001\u308b\u969b\u306b\u4f7f\u7528\u3059\u308b<\/span>\r\n  \/\/<\/span>\r\n  \/\/ \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306a\u306e\u3067 credentials \u3092\u30cf\u30fc\u30c9\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u3066\u3044\u308b\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u63a8\u5968\u3055\u308c\u306a\u3044<\/span>\r\n  \/\/ Cognito \u8a8d\u8a3c\u3068\u7d61\u3081\u308b\u7b49\uff64\u5225\u306e\u624b\u6bb5\u3067\u8a8d\u8a3c\u3092\u901a\u3059\u3053\u3068\u3092\u691c\u8a0e\u3059\u308b\u3079\u304d<\/span>\r\n  private<\/span> client<\/span> =<\/span> new<\/span> TranscribeStreamingClient<\/span>({<\/span>\r\n    region<\/span>:<\/span> '<\/span>ap-northeast-1<\/span>'<\/span>,<\/span>\r\n    credentials<\/span>:<\/span> {<\/span>\r\n      accessKeyId<\/span>:<\/span> '<\/span>hogehoge<\/span>'<\/span>,<\/span>\r\n      secretAccessKey<\/span>:<\/span> '<\/span>hogehoge<\/span>'<\/span>,<\/span>\r\n      \/\/ sessionToken: 'hogehoge', \/\/ \u3053\u3053\u306f\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8a2d\u5b9a\u3059\u308b<\/span>\r\n    },<\/span>\r\n  });<\/span>\r\n\r\n  constructor<\/span>(<\/span>private<\/span> elementRef<\/span>:<\/span> ElementRef<\/span>)<\/span> {}<\/span>\r\n\r\n  ngOnInit<\/span>()<\/span> {<\/span>\r\n    this<\/span>.<\/span>outputArea<\/span> =<\/span> this<\/span>.<\/span>elementRef<\/span>.<\/span>nativeElement<\/span>.<\/span>querySelector<\/span>(<\/span>'<\/span>.output-text<\/span>'<\/span>);<\/span>\r\n  }<\/span>\r\n\r\n  \/**\r\n   * html \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u300c\u97f3\u58f0\u8a8d\u8b58-\u958b\u59cb\u300d\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3089\u5b9f\u884c\u3055\u308c\u308b\u30e1\u30bd\u30c3\u30c9\r\n   * \u97f3\u58f0\u8a8d\u8b58\u51e6\u7406\u306e\u8d77\u70b9\r\n   *\/<\/span>\r\n  async<\/span> startVoiceRecognition<\/span>(<\/span>event<\/span>:<\/span> any<\/span>)<\/span> {<\/span>\r\n    \/\/ micStream \u306f\u5f8c\u3067\u51fa\u3066\u304f\u308b `stopVoiceRecognition` \u3067 `stop()` \u3092\u5b9f\u884c\u3057\u3066\u97f3\u58f0\u8a8d\u8b58\u3092\u505c\u6b62\u3059\u308b<\/span>\r\n    \/\/ \u3053\u306e\u3068\u304d\u5b9f\u969b\u306b\u306f AudioContext.close() \u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u306e\u3060\u304c\u3001\u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068 micStream \u306e\u518d\u5229\u7528\u304c\u3067\u304d\u306a\u304f\u306a\u308b<\/span>\r\n    \/\/ \u306a\u306e\u3067\u3001\u4e00\u5ea6\u505c\u6b62\u3057\u305f\u5834\u5408\u306f micStream \u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u65b0\u898f\u306b\u751f\u6210\u3057\u3066\u3084\u308b\u5fc5\u8981\u304c\u3042\u308b<\/span>\r\n    \/\/<\/span>\r\n    \/\/ AudioContext.close() \u306b\u3064\u3044\u3066\u306f\u4e0b\u8a18\u3092\u53c2\u7167<\/span>\r\n    \/\/ https:\/\/developer.mozilla.org\/ja\/docs\/Web\/API\/AudioContext\/close<\/span>\r\n    if <\/span>(<\/span>!<\/span>micStream<\/span>)<\/span> {<\/span>\r\n      micStream<\/span> =<\/span> new<\/span> MicrophoneStream<\/span>();<\/span>\r\n    }<\/span>\r\n\r\n    await<\/span> this<\/span>.<\/span>setStream<\/span>();<\/span>\r\n\r\n    \/\/ AWS Transcribe Streaming \u306b\u6d41\u3059\u97f3\u58f0\u30c7\u30fc\u30bf\u306e\u30d1\u30e9\u30e1\u30fc\u30bf<\/span>\r\n    \/\/ \u809d\u306f `AudioStream: this.audioStream()` \u306e\u90e8\u5206\u3002\u3053\u3053\u3067\u97f3\u58f0\u30c7\u30fc\u30bf\u3092\u4f5c\u3063\u3066\u3044\u308b<\/span>\r\n    const<\/span> params<\/span>:<\/span> StartStreamTranscriptionCommandInput<\/span> =<\/span> {<\/span>\r\n      \/\/ https:\/\/docs.aws.amazon.com\/ja_jp\/transcribe\/latest\/dg\/API_streaming_StartStreamTranscription.html#API_streaming_StartStreamTranscription_RequestSyntax<\/span>\r\n      LanguageCode<\/span>:<\/span> LanguageCode<\/span>.<\/span>JA_JP<\/span>,<\/span>\r\n      MediaSampleRateHertz<\/span>:<\/span> 44<\/span>_100<\/span>,<\/span> \/\/ \u6709\u52b9\u7bc4\u56f2: \u6700\u5c0f\u5024\u306f 8,000. \u6700\u5927\u5024\u306f 48,000<\/span>\r\n      MediaEncoding<\/span>:<\/span> MediaEncoding<\/span>.<\/span>PCM<\/span>,<\/span>\r\n      AudioStream<\/span>:<\/span> this<\/span>.<\/span>audioStream<\/span>(),<\/span>\r\n      \/\/ VocabularyName: 'custom_vocabulary' \/\/ \u30ab\u30b9\u30bf\u30e0\u8a9e\u5f59\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3053\u3053\u3092\u8a2d\u5b9a\u3059\u308b<\/span>\r\n    };<\/span>\r\n\r\n    \/\/ \u97f3\u58f0\u81ea\u52d5\u6587\u5b57\u8d77\u3053\u3057\u6a5f\u80fd<\/span>\r\n    const<\/span> command<\/span> =<\/span> new<\/span> StartStreamTranscriptionCommand<\/span>(<\/span>params<\/span>);<\/span>\r\n    let<\/span> response<\/span>:<\/span> StartStreamTranscriptionCommandOutput<\/span>;<\/span>\r\n    try<\/span> {<\/span>\r\n      \/\/ \u3053\u3053\u307e\u3067\u306e\u51e6\u7406\u3067\u4f5c\u6210\u3057\u305f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u97f3\u58f0\u30c7\u30fc\u30bf\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u304b\u3089 AWS Transcribe Streaming \u3092\u5b9f\u884c\u3059\u308b<\/span>\r\n      \/\/ `handleResponse()` \u306f\u30ec\u30b9\u30dd\u30f3\u30b9\u304b\u3089\u6587\u5b57\u8d77\u3053\u3057\u3092\u3059\u308b\u305f\u3081\u306e\u51e6\u7406<\/span>\r\n      response<\/span> =<\/span> await<\/span> this<\/span>.<\/span>client<\/span>.<\/span>send<\/span>(<\/span>command<\/span>);<\/span>\r\n      await<\/span> this<\/span>.<\/span>handleResponse<\/span>(<\/span>response<\/span>);<\/span>\r\n    }<\/span> catch <\/span>(<\/span>error<\/span>:<\/span> any<\/span>)<\/span> {<\/span>\r\n      console<\/span>.<\/span>dir<\/span>(<\/span>error<\/span>);<\/span>\r\n    }<\/span>\r\n  }<\/span>\r\n\r\n  \/**\r\n   * AWS Transcribe Streaming \u304b\u3089\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u89e3\u6790\u3057\u6587\u5b57\u8d77\u3053\u3057\u3092\u884c\u3046\r\n   *\r\n   * \u5b9f\u88c5\u306e\u5927\u307e\u304b\u306a\u90e8\u5206\u306f AWS Transcribe Streaming SDK \u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3057\u305f\u3082\u306e\r\n   * -> https:\/\/github.com\/aws\/aws-sdk-js-v3\/tree\/d8475f8d972d28fbc15cd7e23abfe18f9eab0644\/clients\/client-transcribe-streaming#handling-text-stream\r\n   *\r\n   * \u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u69cb\u6210\u306b\u3064\u3044\u3066\u306f\u4e0b\u8a18\u3092\u53c2\u7167\r\n   * -> https:\/\/docs.aws.amazon.com\/ja_jp\/transcribe\/latest\/dg\/API_streaming_StartStreamTranscription.html#API_streaming_StartStreamTranscription_ResponseSyntax\r\n   * *\/<\/span>\r\n  async<\/span> handleResponse<\/span>(<\/span>response<\/span>:<\/span> StartStreamTranscriptionCommandOutput<\/span>)<\/span> {<\/span>\r\n    for<\/span> await <\/span>(<\/span>const<\/span> event<\/span> of<\/span> response<\/span>.<\/span>TranscriptResultStream<\/span>!<\/span>)<\/span> {<\/span>\r\n      if <\/span>(<\/span>event<\/span>.<\/span>TranscriptEvent<\/span>)<\/span> {<\/span>\r\n        const<\/span> results<\/span> =<\/span> event<\/span>.<\/span>TranscriptEvent<\/span>.<\/span>Transcript<\/span>!<\/span>.<\/span>Results<\/span>;<\/span>\r\n\r\n        let<\/span> transcript<\/span> =<\/span> ''<\/span>;<\/span>\r\n        results<\/span>!<\/span>\r\n          .<\/span>filter<\/span>((<\/span>result<\/span>)<\/span> =><\/span> !<\/span>result<\/span>.<\/span>IsPartial<\/span>)<\/span> \/\/ \u5909\u63db\u9014\u4e2d \u306f\u51e6\u7406\u5bfe\u8c61\u5916\u3068\u3059\u308b<\/span>\r\n          .<\/span>map<\/span>((<\/span>result<\/span>)<\/span> =><\/span> {<\/span>\r\n            (<\/span>result<\/span>.<\/span>Alternatives<\/span> ||<\/span> []).<\/span>map<\/span>((<\/span>alternative<\/span>)<\/span> =><\/span> {<\/span>\r\n              transcript<\/span> =<\/span> alternative<\/span>.<\/span>Items<\/span>!<\/span>.<\/span>map<\/span>((<\/span>item<\/span>)<\/span> =><\/span> item<\/span>.<\/span>Content<\/span>).<\/span>join<\/span>(<\/span>'<\/span> '<\/span>);<\/span>\r\n\r\n              \/\/ \u5909\u63db\u3057\u305f\u30c7\u30fc\u30bf\u306f html \u306e\u30c6\u30ad\u30b9\u30c8\u30a8\u30ea\u30a2\u306b\u51fa\u529b\u3059\u308b<\/span>\r\n              this<\/span>.<\/span>outputArea<\/span>.<\/span>innerHTML<\/span> +=<\/span> transcript<\/span>;<\/span>\r\n            });<\/span>\r\n          });<\/span>\r\n      }<\/span>\r\n    }<\/span>\r\n  }<\/span>\r\n\r\n  \/**\r\n   * html \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u300c\u97f3\u58f0\u8a8d\u8b58-\u7d42\u4e86\u300d\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3089\u5b9f\u884c\u3055\u308c\u308b\u30e1\u30bd\u30c3\u30c9\r\n   *\r\n   * \u524d\u63b2\u306e startVoiceRecognition() \u306e\u8aac\u660e\u3067\u3082\u89e6\u308c\u305f\u3068\u304a\u308a\u3001\r\n   * micStream.stop() \u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u5b9f\u969b\u306b\u306f AudioContext.close() \u304c\u5b9f\u884c\u3055\u308c\u308b\r\n   * \u3053\u308c\u306b\u3088\u3063\u3066\u3001\u3053\u308c\u307e\u3067\u4f7f\u7528\u3057\u3066\u3044\u305f micStream \u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u5f79\u76ee\u3092\u7d42\u3048\u308b\r\n   * \u65b0\u305f\u306b\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u6d41\u3059\u305f\u3081\u306b\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u308a\u76f4\u3059\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u3001\u3053\u308c\u3092\u660e\u793a\u7684\u306b\u793a\u3059\u305f\u3081\u306b\r\n   * micStream = null; \u3092\u884c\u3044\u3001startVoiceRecognition() \u3067\u306f null \u5224\u5b9a\u3092\u884c\u3063\u305f\u4e0a\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3057\u3066\u3044\u308b\r\n   *\/<\/span>\r\n  stopVoiceRecognition<\/span>(<\/span>event<\/span>:<\/span> any<\/span>)<\/span> {<\/span>\r\n    micStream<\/span>.<\/span>stop<\/span>();<\/span>\r\n    micStream<\/span> =<\/span> null<\/span>;<\/span>\r\n  }<\/span>\r\n\r\n  \/**\r\n   * \u524d\u63b2\u306e startVoiceRecognition() \u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30e1\u30bd\u30c3\u30c9\r\n   * getUserMedia() \u3067\u306f\u97f3\u58f0\u30c7\u30fc\u30bf\u306e\u307f\u3092\u4f7f\u7528\u3059\u308b\u8a2d\u5b9a\u3067\u30e1\u30c7\u30a3\u30a2\u306e\u4f7f\u7528\u3092\u8981\u6c42\u3057\u3001\r\n   * \u30de\u30a4\u30af\u306b\u5165\u529b\u3055\u308c\u305f\u97f3\u58f0\u3092\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u30bb\u30c3\u30c8\u3057\u3066\u3044\u308b\r\n   *\/<\/span>\r\n  private<\/span> async<\/span> setStream<\/span>()<\/span> {<\/span>\r\n    micStream<\/span>.<\/span>setStream<\/span>(<\/span>\r\n      await<\/span> window<\/span>.<\/span>navigator<\/span>.<\/span>mediaDevices<\/span>.<\/span>getUserMedia<\/span>({<\/span>\r\n        video<\/span>:<\/span> false<\/span>,<\/span>\r\n        audio<\/span>:<\/span> true<\/span>,<\/span>\r\n      })<\/span>\r\n    );<\/span>\r\n  }<\/span>\r\n\r\n  \/**\r\n   * \u3053\u3061\u3089\u3082\u524d\u63b2\u306e startVoiceRecognition() \u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30e1\u30bd\u30c3\u30c9\r\n   *\r\n   * \u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u6d41\u308c\u3066\u304f\u308b\u97f3\u58f0\u30c7\u30fc\u30bf\u3092 PCM \u306b\u30a8\u30f3\u30b3\u30fc\u30c9\u3059\u308b\u51e6\u7406\u3067\u3001\r\n   * \u5b9f\u88c5\u306f AWS Transcribe Streaming SDK \u306e \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9 \u3092\u30b3\u30d4\u30fc\u3057\u305f\r\n   * -> https:\/\/github.com\/aws\/aws-sdk-js-v3\/tree\/d8475f8d972d28fbc15cd7e23abfe18f9eab0644\/clients\/client-transcribe-streaming#acquire-from-browsers\r\n   *\/<\/span>\r\n  private<\/span> audioStream<\/span> =<\/span> async<\/span> function<\/span>*<\/span> ()<\/span> {<\/span>\r\n    for<\/span> await <\/span>(<\/span>const<\/span> chunk<\/span> of<\/span> micStream<\/span>)<\/span> {<\/span>\r\n      yield<\/span> {<\/span>\r\n        AudioEvent<\/span>:<\/span> {<\/span> AudioChunk<\/span>:<\/span> pcmEncodeChunk<\/span>(<\/span>chunk<\/span>)<\/span> \/* pcm Encoding is optional depending on the source *\/<\/span> },<\/span>\r\n      };<\/span>\r\n    }<\/span>\r\n  };<\/span>\r\n}<\/span>\r\n\r\n\/**\r\n * PCM \u30a8\u30f3\u30b3\u30fc\u30c9\u51e6\u7406\u306e\u5b9f\u614b\r\n *\r\n * \u5b9f\u88c5\u306f AWS Transcribe Streaming SDK \u306e \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9 \u3092\u30b3\u30d4\u30fc\u3057\u305f\u3082\u306e\r\n * -> https:\/\/github.com\/aws\/aws-sdk-js-v3\/tree\/d8475f8d972d28fbc15cd7e23abfe18f9eab0644\/clients\/client-transcribe-streaming#pcm-encoding\r\n *\/<\/span>\r\nfunction<\/span> pcmEncodeChunk<\/span>(<\/span>chunk<\/span>:<\/span> Buffer<\/span>)<\/span> {<\/span>\r\n  const<\/span> input<\/span> =<\/span> MicrophoneStream<\/span>.<\/span>toRaw<\/span>(<\/span>chunk<\/span>);<\/span>\r\n  let<\/span> offset<\/span> =<\/span> 0<\/span>;<\/span>\r\n  const<\/span> buffer<\/span> =<\/span> new<\/span> ArrayBuffer<\/span>(<\/span>input<\/span>.<\/span>length<\/span> *<\/span> 2<\/span>);<\/span>\r\n  const<\/span> view<\/span> =<\/span> new<\/span> DataView<\/span>(<\/span>buffer<\/span>);<\/span>\r\n  for <\/span>(<\/span>let<\/span> i<\/span> =<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> input<\/span>.<\/span>length<\/span>;<\/span> i<\/span>++<\/span>,<\/span> offset<\/span> +=<\/span> 2<\/span>)<\/span> {<\/span>\r\n    const<\/span> s<\/span> =<\/span> Math<\/span>.<\/span>max<\/span>(<\/span>-<\/span>1<\/span>,<\/span> Math<\/span>.<\/span>min<\/span>(<\/span>1<\/span>,<\/span> input<\/span>[<\/span>i<\/span>]));<\/span>\r\n    view<\/span>.<\/span>setInt16<\/span>(<\/span>offset<\/span>,<\/span> s<\/span> <<\/span> 0<\/span> ?<\/span> s<\/span> *<\/span> 0x8000<\/span> :<\/span> s<\/span> *<\/span> 0x7fff<\/span>,<\/span> true<\/span>);<\/span>\r\n  }<\/span>\r\n  return<\/span> Buffer<\/span>.<\/span>from<\/span>(<\/span>buffer<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
      \u5904\u7406\u7684\u6d41\u7a0b<\/h1>\n
      \u4e0b\u9762\u7684\u987a\u5e8f\u8fdb\u884c\u5904\u7406\uff0c\u8fdb\u884c\u8bed\u97f3\u8bc6\u522b\u548c\u8f6c\u5f55\u6210\u6587\u5b57\u3002<\/p>\n
      1. setStream\r\n2. pcmEncodeChunk\r\n3. audioStream\r\n4. handleResponse\r\n<\/code><\/pre>\n
      \u6bcf\u4e2a\u5904\u7406\u7684\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
      1. setStream \u3067 audio \u304b\u3089\u6d41\u308c\u308b\u97f3\u58f0\u3092 stream \u306b\u6d41\u3057\u7d9a\u3051\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u3092\u884c\u3046\r\n2. \u4ee5\u964d\u306f\u5ef6\u3005\u3068 stream \u306b\u97f3\u58f0\u304c\u6d41\u308c\u7d9a\u3051\u308b\r\n3. \u6d41\u308c\u3066\u304f\u308b stream \u306f pcmEncodeChunk \u3067\u89e3\u6790\u3057\u3066\r\n4. auditoStream \u3067 AWS Transcribe Streaming \u306b\u308f\u305f\u3059\r\n5. \u8fd4\u3063\u3066\u304d\u305f\u60c5\u5831\u3092 handleResponse \u3067 html \u306b\u51fa\u529b\u3059\u308b\r\n<\/code><\/pre>\n
      \u5173\u4e8e\u4ee3\u7801\u7684\u8865\u5145\u8bf4\u660e<\/h1>\n
      \u672c\u6587\u65e8\u5728\u4ee5\u793a\u4f8b\u4ee3\u7801\u7684\u5f62\u5f0f\uff0c\u901a\u8fc7\u7ec4\u4ef6\u6765\u4f7f\u5904\u7406\u6d41\u7a0b\u66f4\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n
        \n
      • \n
          \uff62\u8a8d\u8a3c\uff63<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            \n
          • \n
              \uff62\u97f3\u58f0\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u751f\u6210\uff63<\/ul>\n<\/li>\n<\/ul>\n
               <\/p>\n
                \n
              • \n
                  \uff62SDK\u306e\u5b9f\u884c\uff63<\/ul>\n<\/li>\n<\/ul>\n
                   <\/p>\n
                    \n
                  • \n
                      \uff62\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u89e3\u6790\uff63<\/ul>\n<\/li>\n<\/ul>\n
                       <\/p>\n
                        \uff62HTML\u3078\u306e\u51fa\u529b\uff63<\/ul>\n
                        \u6211\u4eec\u6b63\u5728\u8fdb\u884c\u4e00\u6b21\u6027\u5904\u7406\uff0c\u4f46\u5bf9\u4e8e\u6bcf\u4e2a\u5904\u7406\uff0c\u6709\u4e9b\u6700\u597d\u59d4\u6258\u7ed9\u670d\u52a1\u8fdb\u884c\u3002\u5982\u679c\u60a8\u53c2\u8003\u672c\u4ee3\u7801\uff0c\u8bf7\u6839\u636e\u9700\u8981\u8fdb\u884c\u8bc4\u4f30\u3002<\/p>\n
                        \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u5e94\u8be5\u8003\u8651\u4f7f\u7528\u53e6\u4e00\u79cd\u8ba4\u8bc1\u673a\u5236\u3002<\/h1>\n
                        \u5728\u4e0a\u8ff0\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u786c\u7f16\u7801\u4f20\u9012\u7ed9 SDK \u7684\u51ed\u636e\u662f\u4e0d\u5b89\u5168\u7684\u3002\u8003\u8651\u4f7f\u7528\u5176\u4ed6\u65b9\u6cd5\uff0c\u4f8b\u5982\u4e0e Cognito \u8ba4\u8bc1\u76f8\u5173\u8054\u6765\u901a\u8fc7 SDK \u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u4f1a\u66f4\u597d\u3002<\/p>\n
                        \u4ee5\u4e0b\u662f\u4e0eCognito\u8eab\u4efd\u9a8c\u8bc1\u76f8\u5173\u7684\u6587\u6863\u548c\u6559\u7a0b\u3002<\/p>\n
                          \n
                        • \n
                            \u8a8d\u8a3c\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3067\u6587\u5b57\u8d77\u3053\u3057\u30a2\u30d7\u30ea\u3092\u69cb\u7bc9\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n
                             <\/p>\n
                              \u30d6\u30e9\u30a6\u30b6\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u6e96\u5099\u3057\u307e\u3059\u3002<\/ul>\n
                              IAM\u89d2\u8272\u7684\u6743\u9650<\/h1>\n
                              \u5982\u679c\u901a\u8fc7SDK\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u4f46\u6743\u9650\u672a\u8bbe\u7f6e\uff0c\u5c06\u51fa\u73b0\u9519\u8bef\uff08AccessDeniedException\uff09\u3002<\/p>\n
                              AccessDeniedException: {\r\n  \"Message\":\"User: ${user\u60c5\u5831} is not authorized to perform: transcribe:StartStreamTranscriptionWebSocket because no identity-based policy allows the transcribe:StartStreamTranscriptionWebSocket action\"\r\n}\r\n<\/code><\/pre>\n
                              \u56e0\u6b64\uff0c\u9700\u8981\u6388\u4e88\u8bbf\u95ee\u6743\u9650\uff0c\u4f46 AWS \u63d0\u4f9b\u7684 Transcribe \u7b56\u7565\u53ea\u6709\u4ee5\u4e0b\u4e24\u4e2a\u9009\u9879\u3002\uff08\u622a\u81f32022\u5e7406\u670808\u65e5\u786e\u8ba4\uff09<\/p>\n
                              \n
                              \u30dd\u30ea\u30b7\u30fc\u540d\u8aac\u660eAmazonTranscribeFullAccess\u30d5\u30eb\u30a2\u30af\u30bb\u30b9AmazonTranscribeReadOnlyAccess\u8aad\u307f\u53d6\u308a\u306e\u307f<\/div>\n<\/div>\n
                              \"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n
                              AmazonTranscribeFullAccess(\u30d5\u30eb\u30a2\u30af\u30bb\u30b9)\u662f\u6743\u9650\u8fc7\u591a\u7684\uff0c\u5e76\u4e14AmazonTranscribeReadOnlyAccess(\u53ea\u8bfb\u6743\u9650)\u6ca1\u6709\u7528\u4e8e\u8f6c\u5f55\u6d41\u7684\u6743\u9650\u3002\u56e0\u6b64\uff0c\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u4e13\u7528\u7b56\u7565\u3002(\u7701\u7565\u4e86\u7b56\u7565\u521b\u5efa\u7684\u6b65\u9aa4)<\/p>\n
                              {<\/span>\r\n    \"Version\"<\/span>:<\/span> \"2012-10-17\"<\/span>,<\/span>\r\n    \"Statement\"<\/span>:<\/span> [<\/span>\r\n        {<\/span>\r\n            \"Sid\"<\/span>:<\/span> \"VisualEditor0\"<\/span>,<\/span>\r\n            \"Effect\"<\/span>:<\/span> \"Allow\"<\/span>,<\/span>\r\n            \"Action\"<\/span>:<\/span> \"transcribe:StartStreamTranscriptionWebSocket\"<\/span>,<\/span>\r\n            \"Resource\"<\/span>:<\/span> \"*\"<\/span>\r\n        }<\/span>\r\n    ]<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                              \u901a\u8fc7\u5c06\u6b64\u7b56\u7565\u9644\u52a0\u5230\u4f7f\u7528 SDK \u7684 IAM \u89d2\u8272\u4e0a\uff0c\u5c06\u6388\u4e88\u6267\u884c Transcribe Streaming \u7684\u6743\u9650\u3002<\/p>\n
                              \u81ea\u5b9a\u4e49\u8bcd\u6c47<\/h1>\n
                              AWS Transcribe Streaming \u662f\u4e00\u4e2a\u975e\u5e38\u65b9\u4fbf\u7684\u5b9e\u65f6\u8f6c\u5f55\u670d\u52a1\uff0c\u4f46\u662f\u5e76\u4e0d\u603b\u662f\u80fd\u591f\u51c6\u786e\u8bc6\u522b\u5168\u90e8\u5185\u5bb9\u3002
                              \n\u5982\u679c\u5e0c\u671b\u63d0\u9ad8\u8bed\u97f3\u8bc6\u522b\u7684\u51c6\u786e\u5ea6\uff0c\u53ef\u4ee5\u4e8b\u5148\u5728\u81ea\u5b9a\u4e49\u8bcd\u6c47\u8868\u4e2d\u6ce8\u518c\u8bcd\u6c47\u8fdb\u884c\u5904\u7406\u3002<\/p>\n
                              \u6211\u5c06\u4ece\u524d\u8ff0\u7684\u4ee3\u7801\u4e2d\u63d0\u53d6\u51fa\u6307\u5b9a\u81ea\u5b9a\u4e49\u8bcd\u6c47\u7684\u90e8\u5206\u3002<\/p>\n
                                  \/\/ AWS Transcribe Streaming \u306b\u6d41\u3059\u97f3\u58f0\u30c7\u30fc\u30bf\u306e\u30d1\u30e9\u30e1\u30fc\u30bf<\/span>\r\n    \/\/ \u809d\u306f `AudioStream: this.audioStream()` \u306e\u90e8\u5206\u3002\u3053\u3053\u3067\u97f3\u58f0\u30c7\u30fc\u30bf\u3092\u4f5c\u3063\u3066\u3044\u308b<\/span>\r\n    const<\/span> params<\/span>:<\/span> StartStreamTranscriptionCommandInput<\/span> =<\/span> {<\/span>\r\n      \/\/ https:\/\/docs.aws.amazon.com\/ja_jp\/transcribe\/latest\/dg\/API_streaming_StartStreamTranscription.html#API_streaming_StartStreamTranscription_RequestSyntax<\/span>\r\n      LanguageCode<\/span>:<\/span> LanguageCode<\/span>.<\/span>JA_JP<\/span>,<\/span>\r\n      MediaSampleRateHertz<\/span>:<\/span> 44<\/span>_100<\/span>,<\/span> \/\/ \u6709\u52b9\u7bc4\u56f2: \u6700\u5c0f\u5024\u306f 8,000. \u6700\u5927\u5024\u306f 48,000<\/span>\r\n      MediaEncoding<\/span>:<\/span> MediaEncoding<\/span>.<\/span>PCM<\/span>,<\/span>\r\n      AudioStream<\/span>:<\/span> this<\/span>.<\/span>audioStream<\/span>(),<\/span>\r\n\r\n      \/\/ \u2605\u2605\u2605\u2193\u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6307\u5b9a\u3057\u307e\u3059\u2605\u2605\u2605<\/span>\r\n      VocabularyName<\/span>:<\/span> '<\/span>custom_vocabulary<\/span>'<\/span> \/\/ \u30ab\u30b9\u30bf\u30e0\u8a9e\u5f59\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3053\u3053\u3092\u8a2d\u5b9a\u3059\u308b<\/span>\r\n    };<\/span>\r\n\r\n<\/code><\/pre>\n
                              \u6839\u636e\u9605\u8bfb\uff0cAWS\u4f3c\u4e4e\u63a8\u8350\u4f7f\u7528\u8868\u683c\u683c\u5f0f\u800c\u4e0d\u662f\u5217\u8868\u683c\u5f0f\uff0c\u5c3d\u7ba1\u5728\u81ea\u5b9a\u4e49\u8bcd\u6c47\u4e2d\u6709\u8868\u683c\u548c\u5217\u8868\u4e24\u79cd\u683c\u5f0f\u53ef\u4f9b\u9009\u62e9\u3002<\/p>\n
                              \uff08\u8282\u9009\uff09
                              \n\u8bcd\u6c47\u8868\u4e0e\u5217\u8868\u76f8\u6bd4
                              \n\u5f3a\u70c8\u63a8\u8350\u4f7f\u7528\u8bcd\u6c47\u8868\u3002<\/p><\/blockquote>\n
                              \u5173\u4e8e\u81ea\u5b9a\u4e49\u8bcd\u6c47\u7684\u6ce8\u518c\u6d41\u7a0b\uff0c\u6211\u4eec\u5c06\u4e0d\u518d\u8d58\u8ff0\uff0c\u8bf7\u53c2\u8003\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n
                                \u30ab\u30b9\u30bf\u30e0\u8a9e\u5f59\u306e\u4f5c\u6210<\/ul>\n
                                \u8bf7\u6ce8\u610f\uff0c\u6b63\u5982\u4e0a\u8ff0\u6587\u7ae0\u4e2d\u6240\u63d0\u5230\u7684\uff0c\u5982\u679c\u60a8\u4ece\u63a7\u5236\u53f0\u6ce8\u518cTable\u683c\u5f0f\u7684\u6587\u4ef6\uff0c\u4f1a\u5bfc\u81f4\u9519\u8bef\u3002\u6240\u4ee5\u8bf7\u786e\u4fdd\u901a\u8fc7S3\u8fdb\u884c\u6ce8\u518cTable\u683c\u5f0f\u7684\u6587\u4ef6\u3002<\/p>\n
                                \u6e90\u4ee3\u7801<\/h1>\n
                                \u672c\u6587\u4e2d\u6240\u4f7f\u7528\u7684\u4ee3\u7801\u662f\u7528\u4e8e\u672c\u6b21\u6587\u7ae0\u7684\u64cd\u4f5c\u786e\u8ba4\u3002<\/p>\n
                                \u8bf7\u63d0\u4f9b\u66f4\u591a\u7684\u4e0a\u4e0b\u6587\u548c\u8981\u6c42\uff0c\u4ee5\u4fbf\u4e3a\u60a8\u63d0\u4f9b\u51c6\u786e\u7684\u4e2d\u6587\u8868\u8fbe\u3002<\/h1>\n
                                  \n
                                • \n
                                    Amazon Transcribe \u304c\u3001\u65e5\u672c\u8a9e\u3001\u97d3\u56fd\u8a9e\u3001\u30d6\u30e9\u30b8\u30eb\u30dd\u30eb\u30c8\u30ac\u30eb\u8a9e\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u6a5f\u80fd\u306b\u5bfe\u5fdc<\/ul>\n<\/li>\n<\/ul>\n
                                     <\/p>\n
                                      \n
                                    • \n
                                        @aws-sdk\/client-transcribe-streaming \u306e\u30d6\u30e9\u30f3\u30c1 README<\/ul>\n<\/li>\n<\/ul>\n
                                         <\/p>\n
                                          \n
                                        • \n
                                            transcribe-streaming-app<\/ul>\n<\/li>\n<\/ul>\n
                                             <\/p>\n
                                              \n
                                            • \n
                                                Angular 6 – process is not defined when trying to serve application<\/ul>\n<\/li>\n<\/ul>\n
                                                 <\/p>\n
                                                  \n
                                                • \n
                                                    Buffer is not defined #27<\/ul>\n<\/li>\n<\/ul>\n
                                                     <\/p>\n
                                                      \n
                                                    • \n
                                                        AudioContext.close<\/ul>\n<\/li>\n<\/ul>\n
                                                        StartStreamTranscription<\/p>\n
                                                        \u30ea\u30af\u30a8\u30b9\u30c8\u306e\u69cb\u6587
                                                        \n\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u69cb\u6587<\/p>\n
                                                        Custom vocabularies
                                                        \nCreating a custom vocabulary using a table
                                                        \nCreating a custom vocabulary using a list<\/p>\n","protected":false},"excerpt":{"rendered":"
                                                        \u9996\u5148 \u5982\u9898\u6240\u8ff0\uff0c\u8fd9\u662f\u4e00\u4e2a\u4f7f\u7528Angular\u5b9e\u73b0\u5b9e\u65f6\u8f6c\u5f55\u7684\u6837\u4f8b\uff0c\u4f7f\u7528\u4e86AWS Transcribe Stream […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-39344","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n[Angular] \u4f7f\u7528 AWS Transcribe Streaming \u5b9e\u73b0\u6587\u5b57\u8f6c\u5f55\u7684\u793a\u4f8b\u4ee3\u7801 - Blog - Silicon Cloud<\/title>\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\/angular-\u4f7f\u7528-aws-transcribe-streaming-\u5b9e\u73b0\u6587\u5b57\u8f6c\u5f55\u7684\u793a\u4f8b\u4ee3\u7801\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Angular] \u4f7f\u7528 AWS Transcribe Streaming \u5b9e\u73b0\u6587\u5b57\u8f6c\u5f55\u7684\u793a\u4f8b\u4ee3\u7801\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u5982\u9898\u6240\u8ff0\uff0c\u8fd9\u662f\u4e00\u4e2a\u4f7f\u7528Angular\u5b9e\u73b0\u5b9e\u65f6\u8f6c\u5f55\u7684\u6837\u4f8b\uff0c\u4f7f\u7528\u4e86AWS Transcribe Stream […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/angular-\u4f7f\u7528-aws-transcribe-streaming-\u5b9e\u73b0\u6587\u5b57\u8f6c\u5f55\u7684\u793a\u4f8b\u4ee3\u7801\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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