This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2021.
The coneInnerAngle property of the PannerNode interface is a double value describing the angle, in degrees, of a cone inside of which there will be no volume reduction.
The coneInnerAngle property's default value is 360, suitable for a non-directional source.
A double.
See PannerNode.orientationX for example code that demonstrates the effect on volume of changing the PannerNode orientation parameters in combination with coneInnerAngle and coneOuterAngle.
| Specification |
|---|
| Web Audio API # dom-pannernode-coneinnerangle |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | ||
coneInnerAngle |
14 | 12 | 25 | 15 | 6 | 18 | 25 | 14 | 6 | 1.0 | 4.4.3 | |
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https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/coneInnerAngle