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Ideal for live voice recognition (transcribing).\n\nThis module is modified from [react-native-audio-record](https://github.com/goodatlas/react-native-audio-record). Instead of saving to an audio file, it only emit events with live data. By doing this, it can reduce memory usage and eliminate file operation overheads in the case that an audio file is not necessary (e.g. live transcribing).\n\nMost of the code was written by the respective original authors.\n\n## Install\n```\nyarn add react-native-live-audio-stream\ncd ios\npod install\n```\n\n## Add Microphone Permissions\n\n### iOS\nAdd these lines to ```ios/[YOU_APP_NAME]/info.plist```\n```xml\nNSMicrophoneUsageDescription\nWe need your permission to use the microphone.\n```\n\n### Android\nAdd the following line to ```android/app/src/main/AndroidManifest.xml```\n```xml\n\n```\n\n## Usage\n```javascript\nimport LiveAudioStream from 'react-native-live-audio-stream';\n\nconst options = {\n sampleRate: 32000, // default is 44100 but 32000 is adequate for accurate voice recognition\n channels: 1, // 1 or 2, default 1\n bitsPerSample: 16, // 8 or 16, default 16\n audioSource: 6, // android only (see below)\n bufferSize: 4096 // default is 2048\n};\n\nLiveAudioStream.init(options);\nLiveAudioStream.on('data', data => {\n // base64-encoded audio data chunks\n});\n ...\nLiveAudioStream.start();\n ...\nLiveAudioStream.stop();\n ...\n```\n\n`audioSource` should be one of the constant values from [here](https://developer.android.com/reference/android/media/MediaRecorder.AudioSource). Default value is `6` (`VOICE_RECOGNITION`).\n\nUse 3rd-party modules like [buffer](https://www.npmjs.com/package/buffer) to decode base64 data. Example:\n```javascript\n// yarn add buffer\nimport { Buffer } from 'buffer';\n ...\nLiveAudioStream.on('data', data => {\n var chunk = Buffer.from(data, 'base64');\n});\n```\n\n## Credits/References\n- [react-native-audio-record](https://github.com/goodatlas/react-native-audio-record)\n- iOS [Audio Queues](https://developer.apple.com/library/content/documentation/MusicAudio/Conceptual/AudioQueueProgrammingGuide)\n- Android [AudioRecord](https://developer.android.com/reference/android/media/AudioRecord.html)\n- [cordova-plugin-audioinput](https://github.com/edimuj/cordova-plugin-audioinput)\n- [react-native-recording](https://github.com/qiuxiang/react-native-recording)\n- [SpeakHere](https://github.com/shaojiankui/SpeakHere)\n- [ringdroid](https://github.com/google/ringdroid)\n\n## License \nMIT\n","readmeFilename":"README.md"}