Use of setVelocity on the PannerNode and AudioListener, and speedOfSound and dopplerFactor on the AudioListener are deprecated and those members will be removed. For more help https://developer.mozilla.org/en-US/docs/Web/API/AudioListener#Deprecated_features
setVelocity a PannerNode i AudioListener, i speedOfSound i dopplerFactor a AudioListener estan en desús i aquests membres s'eliminaran. Per obtenir més ajuda, vegeu https://developer.mozilla.org/en-US/docs/Web/API/AudioListener#Deprecated_features