The minValue read-only property of the AudioParam interface represents the minimum possible value for the parameter's nominal (effective) range.


var minVal = audioParam.minValue;


A floating-point Number indicating the minimum value permitted for the parameter's nominal range.

The default value of minValue is the minimum negative single-precision floating-point value (-340,282,346,638,528,859,811,704,183,484,516,925,440).


const audioCtx = new AudioContext();
const gainNode = audioCtx.createGain();
console.log(gainNode.gain.minValue); // -3.4028234663852886e38


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

Browser compatibility

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ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic supportChrome Full support 52Edge Full support YesFirefox Full support 53IE No support NoOpera Full support 39Safari Full support 6WebView Android Full support 52Chrome Android Full support 52Edge Mobile Full support YesFirefox Android Full support 53Opera Android Full support 39Safari iOS ? Samsung Internet Android Full support 6.0


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Compatibility unknown  
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See also

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Contributors to this page: Sheppy, Jedipedia, fscholz, chrisdavidmills, jpmedley
Last updated by: Sheppy,