unregisterAudioSpectrumObserver abstract method
Unregisters the audio spectrum observer.
After calling registerAudioSpectrumObserver, if you want to unregister the audio spectrum observer, call this method. This method can be called before or after joining a channel.
Returns When the method call succeeds, there is no return value; when fails, the AgoraRtcException exception is thrown. You need to catch the exception and handle it accordingly. See Error Codes for details and resolution suggestions.
Implementation
void unregisterAudioSpectrumObserver(AudioSpectrumObserver observer);