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HTML DOM Audio playbackRate Property

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The Audio playbackRate property is used for setting or returning the current playback speed of the audio

Syntax:

  • Return the playbackRate property:
audioObject.playbackRate
  • Set the playbackRate property:
audioObject.playbackRate = playbackspeed

Property Values

  • number: It is used to specify the default playback speed of the video. The available options are:
    • 1.0 is the normal speed.
    • 0.5 is half speed.
    • 2.0 is double speed.
    • -1.0 is backward, normal speed.
    • -0.5 is backward, half-speed.

Return: The Audio playbackRate property returns a number that represents the current playback speed. 

The below program illustrates the Audio playbackRate Property: 

Example: Setting the video to double speed by default. 

HTML

<!DOCTYPE html>
<html>
 
<head>
    <title>
        Audio playbackRate Property
    </title>
</head>
 
<body style="text-align:center">
    <h1 style="color:green">
        GeeksforGeeks
    </h1>
    <h2 style="font-family: Impact">
        Audio playbackRate Property
    </h2>
    <br>
    <audio id="Test_Audio" controls>
        <source src="sample1.ogg" type="audio/ogg">
        <source src="sample1.mp3" type="audio/mpeg">
    </audio>
    <p>
          For setting and returning the playback
        speed of the audio, double click the
        "Set Speed" and "Return Speed" button.
      </p>
    <br>
    <button ondblclick="MyAudioSet()"
            type="button">
        Set Speed
    </button>
    <button ondblclick="MyAudioReturn()"
            type="button">
        Return Speed
    </button>
    <p id="test"></p>
 
    <script>
       let a =
           document.getElementById("Test_Audio");
        function MyAudioReturn() {
            a.playbackRate;
            alert(a.playbackRate);
        }
        function MyAudioSet() {
            a.playbackRate = 2;
        }
    </script>
</body>
</html>

                    

Output:

 

Supported Browsers: The browsers supported by DOM Audio playbackRate Property are listed below:

  • Google Chrome 1 and above
  • Edge 12 and above
  • Internet Explorer 9 and above
  • Firefox 20 and above
  • Opera 12.1 and above
  • Apple Safari 3.1 and above


Last Updated : 22 Jun, 2023
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