Audio defaultPlaybackRate Property
Example
Set the audio to slow motion by default:
document.getElementById("myAudio").defaultPlaybackRate = 0.5;
Try it yourself »
Definition and Usage
The defaultPlaybackRate property sets or returns the default playback speed of the audio.
Setting this property will only change the default playback speed, not the current. To change the current playback speed, use the playbackRate property.
Browser Support
The defaultPlaybackRate property is only supported in all major browsers, except Safari.
Note: The defaultPlaybackRate property is not supported in Internet Explorer 8 and earlier versions.
Syntax
Return the defaultPlaybackRate property:
audioObject.defaultPlaybackRate
Set the defaultPlaybackRate property:
audioObject.defaultPlaybackRate=number
Property Values
Value | Description |
---|---|
number | Indicates the default playback speed of the audio. Example values:
Note: The value 0.0 is invalid and throws a NOT_SUPPORTED_ERR exception |
Technical Details
Return Value: | A Number, representing the default playback speed |
---|---|
Default Value: | 1.0 |
More Examples
Example
Set the audio to play faster by default:
document.getElementById("myAudio").defaultPlaybackRate =
2;
Try it yourself »
Audio Object