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Record a user's voice and display as an oscillation (or frequency bars).
Plug-n-play component for React apps.
Audio is saved as WebM audio file format. Works via the HTML5 MediaRecorder API (currently only available in Chrome & Firefox).
PLEASE NOTE: The WebM audio format is not supported in Safari browsers (including Safari on iOS). You need to save an audio recording as an MP3 or WAV file in order to get full cross-browser and cross-device support.
You can do that with the premium enhancement of this component called React-Mic-Gold.
Companies that develop speech-recognition apps, voice-activated software, apps that require audio recording features, or language-learning products all use React-Mic-Gold.
npm install --save react-mic
yarn add react-mic
Check out the simple React-Mic demo.
- Record audio from microphone
- Display sound wave as voice is being recorded
- Save audio as BLOB
MIT
<ReactMic
record={boolean} // defaults -> false. Set to true to begin recording
pause={boolean} // defaults -> false. React-Mic-Gold only
visualSetting="sinewave" // defaults -> "sinewave". Other option is "frequencyBars"
className={string} // provide css class name
onStop={function} // required - called when audio stops recording
onData={function} // optional - called when chunk of audio data is available
onBlock={function} // optional - called if user selected "block" when prompted to allow microphone access. React-Mic-Gold only.
strokeColor={string} // sinewave or frequency bar color
backgroundColor={string} // background color
mimeType="audio/mp3" // defaults -> "audio/mp3". Set to "audio/wav" for WAV audio format. React-Mic-Gold only.
echoCancellation={boolean} // defaults -> false
autoGainControl={boolean} // defaults -> false
noiseSuppression={boolean} // defaults -> false
channelCount={number} // defaults -> 2 (stereo). Specify 1 for mono.
bitRate={256000} // defaults -> 128000 (128kbps). React-Mic-Gold only.
sampleRate={96000} // defaults -> 44100 (44.1 kHz). It accepts values only in range: 22050 to 96000. React-Mic-Gold only.
timeSlice={3000} // defaults -> 4000 milliseconds. The interval at which captured audio is returned to onData callback. React-Mic-Gold only.
/>
import { ReactMic } from 'react-mic';
export class Example extends React.Component {
constructor(props) {
super(props);
this.state = {
record: false
}
}
startRecording = () => {
this.setState({ record: true });
}
stopRecording = () => {
this.setState({ record: false });
}
onData(recordedBlob) {
console.log('chunk of real-time data is: ', recordedBlob);
}
onStop(recordedBlob) {
console.log('recordedBlob is: ', recordedBlob);
}
render() {
return (
<div>
<ReactMic
record={this.state.record}
className="sound-wave"
onStop={this.onStop}
onData={this.onData}
strokeColor="#000000"
backgroundColor="#FF4081" />
<button onTouchTap={this.startRecording} type="button">Start</button>
<button onTouchTap={this.stopRecording} type="button">Stop</button>
</div>
);
}
}
Get your copy of React-Mic-Gold, the premium enhanced version of React-Mic here.
React-Mic-Gold lets you record audio as either MP3 or WAV files. The MP3 audio file format is super compressed which will result in small file sizes, and is widely supported across all devices. The WAV audio file format is uncompressed and is used when you need professional quality audio; however, the file size is significantly larger.
Check out the simple demo of React-Mic-Gold in action here.
Also, check out React-Mic-Gold integrated into an actual app here.
In React-Mic-Gold, encoding of recorded audio into MP3 format happens in the browser, via a combination of advanced Web technologies (Web Workers and Web Assembly).
You won't have to continuously stream audio data to your back-end server or API endpoint to convert captured audio into an MP3 file. Althought you can if you want to.
React-Mic-Gold also comes with an optional pause feature and additional premium enhancements.
If you need a version of this React component that only supports the WAV audio format on every device (iOS + Android), you can purchase React-Mic-Plus.
React-Mic-Plus also comes with an optional pause feature and additional premium enhancements.
PLEASE NOTE: Apple does not allow audio recording from the Chrome browser on Iphone/iOS. To record audio from a web application on an Iphone, a user must use the Safari browser. There is no way around this.
Join the Slack channel if you have any questions or problems with React-Mic or React-Sound-Gold. I'm here to help you build amazing apps with audio recording capabilities.
Customers of React-Mic-Gold and associated products develop audio recording apps, voice-activated apps, speech recognition apps, language learning apps, and much more.
When I was learning how to develop apps with React, I didn't have a mentor. I just learned everything through years of experience.
Of course, that entailed making a lot of mistakes and incurring technical debt.
But that doesn't have to be you. You can master React development in less than 1/2 the time by getting the right guidance.
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The workshop is FILLED with good information that will help you either a) get a job or b) create your own applications using the insanely popular React.js ecosystem.
My name is Mark, I'm the creator of React-Mic and React-Mic-Gold , and I'd be honored to be your mentor.
I strongly believe that the only way to learn is by doing.
And the way I transform my students from novice to proficient is by teaching them how to develop and design an app I call Voice Record Pro.
It's the fastest way I can get you to becoming proficient because you're actually developing a REAL production-ready app. One that you'd get paid to develop in the industry.
I hope to see you at the workshop!