setDistanceModel( value ) {

		this.panner.distanceModel = value;

		return this;

	}
Defines which algorithm to use to reduce the volume of the audio source
as it moves away from the listener.

Read [the spec]{@link https://www.w3.org/TR/webaudio-1.1/#enumdef-distancemodeltype}
for more details.

@param {('linear'|'inverse'|'exponential')} value - The distance model to set.
@return {PositionalAudio} A reference to this instance.