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webaudio-tracks

Music collaboration software in your browser using webaudio including multi-track synced audio playback and recording.

Usage

Clone repository to your web space and open track.html in the browser.

Configuration

Edit the tracks.json to provide information about tracks and audio files to load.

Example:

{
	"title": "2 Synced tracks at 90bpm",
	"tracks": [
		{ "src": "click_90bpm.mp3","name": "Click Test 90bpm", "loop": true, "enabled": true },
		{ "src": "tamborine_90bpm.mp3","name": "Test 90bpm", "loop": true, "enabled": true },
		{ "name": "Record here", "monitoring": false, "config": {"offset": -81} }
	],
	"config": { 
		"playbackOffset": 355,
		"recordOffset": 355,
		"adjustPlaybackOffset": true,
		"autoArm": false,
		"showMasterTrack": true,
		"enablePan": true,
		"enableTrackNaming": true
	}
}

Explanation:

  • title defines the session title
  • in tracks you have to setup each track:
    • name the name of the track
    • src defines the track audio source, will also used to decide if this track is able to record
      • all tracks without src will become recorder-tracks.
    • loop enables track looping
    • enable disabled tracks ("enable": false) will be ignored and hidden
    • for recorder tracks you can also define:
      • monitoring enables input monitoring. (!) Caution! you can easily create feedback on laptops when not using headphones!
      • config.offset currently this is the way to setup a fixed playback offset
  • the fowwowing config options can be used:
    • playbackOffset to enable synced playback you have to set an offset >=0 (in ms)
    • recordOffset can be tweeked to fix issues with buffering
    • autoArm can be enabled to automatially arm a all recorder - tracks on project load
    • showMasterTrack should the master-track be shown?
    • enablePan show pan slider? Note: panning is not supported in iOS
    • enableTrackNaming when enabled a double-click on a recorder-track name can be used to change the name

Customization

Edit the track.html (or create an own file) to change basic layout. All styles are in style.css.

Have fun making music!

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Music collobaration in the browser using webaudio multi-track sync playback and recorder

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