https://github.com/notthetup/resampler

Re-sample Audio
https://github.com/notthetup/resampler

Last synced: about 2 months ago
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Re-sample Audio

• Host: GitHub
• URL: https://github.com/notthetup/resampler
• Owner: notthetup
• Created: 2015-02-14T07:31:07.000Z (over 9 years ago)
• Default Branch: gh-pages
• Last Pushed: 2020-06-23T17:33:47.000Z (about 4 years ago)
• Last Synced: 2024-07-12T13:50:51.524Z (2 months ago)
• Language: JavaScript
• Homepage: http://chinpen.net/resampler/
• Size: 203 KB
• Stars: 39
• Watchers: 6
• Forks: 8
• Open Issues: 3
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

• awesome-webaudio - resampler - A utility for resampling audio. (Obsolete / Community)

README

        
# Audio-Resampler

[![npm version](https://badge.fury.io/js/audio-resampler.svg)](http://badge.fury.io/js/audio-resampler)

Simple WebAudio based resampling library.

#### Runs on all [modern browsers which support WebAudio](http://caniuse.com/#search=audio-api).

## Installation

`npm install audio-resampler`

## API

```

resampler = require('audio-resampler');

resampler(input, targetSampleRate, oncomplete);

```

`input` : Input audio file. This can either be a URL, a File object, or an AudioBuffer.

`targetSampleRate` : The target sample rate after the re-sampling process. This number is limted based on the browser implementation (usually >=3000, <=192000)

`oncomplete`: Callback when the resampling process is completed. The argument to this callback is an Object which supports the following methods:

`getAudioBuffer` : Returns the resampler AudioBuffer

`getFile` : Returns a ObjectURL of a WAV file created from the resampled Audio.

## Example Usage

```

resampler = require('audio-resampler');

var URL = "https://dl.dropboxusercontent.com/u/957/audio/sine.wav"

resampler(URL, 192000, function(event){

	event.getFile(function(fileEvent){

		var a = document.createElement("a");

		document.body.appendChild(a);

		a.download = "resampled.wav";

		a.style = "display: none";

		a.href = fileEvent;

		a.click();

		window.URL.revokeObjectURL(fileEvent);

		document.body.removeChild(a);

	});

});

```

## Test

To test this repository, you can run a local server using the `npm start` command which serves a simple drag-and-drop interface based webpage to resampler audio files.