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
El uso de setVelocity en PannerNode y AudioListener, y de speedOfSound y dopplerFactor en AudioListener son obsoletos y aquellos miembros serán eliminados. Para más ayuda vea https://developer.mozilla.org/en-US/docs/Web/API/AudioListener#Deprecated_features