Record audio in iOS or Android React Native apps.

BREAKING CHANGES

For React Native >= 0.40, use v3.1.0 and up. For React Native <= 0.39, use v3.0.0 or lower.

v3.x removed playback support in favor of using more mature libraries like react-native-sound. If you need to play from the network, please submit a PR to that project or try react-native-video.

Installation

Install the npm package and link it to your project:

npm install react-native-audio --save
react-native link react-native-audio

On iOS you need to add a usage description to Info.plist:

<key>NSMicrophoneUsageDescription</key>
<string>This sample uses the microphone to record your speech and convert it to text.</string>

On Android you need to add a permission to AndroidManifest.xml:

<uses-permission android:name="android.permission.RECORD_AUDIO" />

Running the Sample App

In the AudioExample directory:

npm install
react-native run-ios
react-native run-android

Usage

To record in AAC format, at 22050 KHz in low quality mono:

import {AudioRecorder, AudioUtils} from 'react-native-audio';
let audioPath = AudioUtils.DocumentDirectoryPath + '/test.aac';

AudioRecorder.prepareRecordingAtPath(audioPath, {
  SampleRate: 22050,
  Channels: 1,
  AudioQuality: "Low",
  AudioEncoding: "aac"
});

Cross-platform options

SampleRate: int
Channels: int
AudioQuality: string
AudioEncoding: string

Encodings supported on iOS: lpcm, ima4, aac, MAC3, MAC6, ulaw, alaw, mp1, mp2, alac, amr Encodings supported on Android: aac, aac_eld, amr_nb, amr_wb, he_aac, vorbis

iOS-only fields

The MeteringEnabled boolean to enable audio metering.

Android-only fields

AudioEncodingBitRate: int OutputFormat: string, mpeg_4, aac_adts, amr_nb, amr_wb, three_gpp, webm

See the example for more details. For playing audio check out React Native Sound

MP3 recording is not supported since the underlying platforms do not support it.

Thanks to Brent Vatne, Johannes Lumpe, Kureev Alexey, Matthew Hartman and Rakan Nimer for their assistance.

Progress tracking code borrowed from https://github.com/brentvatne/react-native-video.

License

moonvalleysoftware/react-native-audio

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