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react-native-live-audio-stream
Advanced tools
Get live audio stream data for React Native. Ideal for live voice recognition (transcribing).
This module is modified from 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).
Most of the code was written by the respective original authors.
yarn add react-native-live-audio-stream
cd ios
pod install
Add these lines to ios/[YOU_APP_NAME]/info.plist
<key>NSMicrophoneUsageDescription</key>
<string>We need your permission to use the microphone.</string>
Add the following line to android/app/src/main/AndroidManifest.xml
<uses-permission android:name="android.permission.RECORD_AUDIO" />
import LiveAudioStream from 'react-native-live-audio-stream';
const options = {
sampleRate: 32000, // default is 44100 but 32000 is adequate for accurate voice recognition
channels: 1, // 1 or 2, default 1
bitsPerSample: 16, // 8 or 16, default 16
audioSource: 6, // android only (see below)
bufferSize: 4096 // default is 2048
};
LiveAudioStream.init(options);
LiveAudioStream.on('data', data => {
// base64-encoded audio data chunks
});
...
LiveAudioStream.start();
...
LiveAudioStream.stop();
...
audioSource
should be one of the constant values from here. Default value is 6
(VOICE_RECOGNITION
).
Use 3rd-party modules like buffer to decode base64 data. Example:
// yarn add buffer
import { Buffer } from 'buffer';
...
LiveAudioStream.on('data', data => {
var chunk = Buffer.from(data, 'base64');
});
MIT
FAQs
Get live audio stream data for React Native
We found that react-native-live-audio-stream demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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