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    AudioContext.sampleRate

    The sampleRate property of the AudioContext interface returns a floating point number representing the sample rate, in samples per second, used by all nodes in this audio context. This limitation means that sample-rate converters are not supported.

    Syntax

    var audioCtx = new AudioContext();
    var mySampleRate = audioCtx.sampleRate;

    Value

    A floating point number.

    Example

    Note: for a full Web Audio example implementation, see one of our Web Audio Demos on the MDN Github repo, like panner-node. Try entering audioCtx.sampleRate into your browser console.

    var AudioContext = window.AudioContext || window.webkitAudioContext;
    var audioCtx = new AudioContext();
    // Older webkit/blink browsers require a prefix
    
    ...
    
    console.log(audioCtx.sampleRate);
    

    Specifications

    Specification Status Comment
    Web Audio API
    The definition of 'sampleRate' in that specification.
    Working Draft  

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
    Basic support 10.0webkit 25.0 (25.0)  Not supported 15.0webkit
    22 (unprefixed)
    6.0webkit
    Feature Android Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
    Basic support ? 26.0 1.2 ? ? ? 33.0

    See also

    Document Tags and Contributors

    Contributors to this page: teoli, chrisdavidmills
    Last updated by: teoli,