React-viz-audio

Audio visualizer for audio samples in React

Installation

npm install viz-audio

Usage

With microphone input

import { MickInputVisualizer } from 'viz-audio';

export default function App() {
  return <MickInputVisualizer height={300} width={400} />;
}

With audio element

import { AudioVisualizer } from 'viz-audio';

export default function App() {
  const [audioElement, setAudioElement] = useState<HTMLAudioElement | null>(
    null,
  );

  return (
    <>
      <audio controls src="demo.mp3" ref={setAudioElement}></audio>
      {audioElement && (
        <AudioVisualizer height={300} width={400} audioSource={audioElement} />
      )}
    </>
  );
}

With audio file src

import { AudioVisualizer } from 'viz-audio';

export default function App() {
  return (
    <AudioVisualizer height={300} width={400} audioSource={'./demo.mp3'} />
  );
}

Props

• barGap - Gap between the graph's bars, in pixels. number

  10 Gap

  0 No gap

• borderRadius - Corner radius of the graph's bars, in pixels. number

  0 Radius

• centered - Whether the graph should be centered. boolean

  true - The graph will be centered. false - The graph will not be centered.

• Colors

Each bar gets a solid rgb color, based on the bar's height and its index. You can change the color of the bars by setting the redFactor, greenFactor and blueFactor props.

🚧 Plan to add more options in the future to customize the color of the bars.

• redFactor - Red amount of the color of the graph's bars. number
• greenFactor - Green amount of the color of the graph's bars. number
• blueFactor - Blue amount of the color of the graph's bars. number

Examples

• redFactor: 5, greenFactor: 250, blueFactor: 170
• redFactor: 500, greenFactor: 500, blueFactor: 200
• redFactor: 100, greenFactor: 100, blueFactor: 100