The level/spectrum surface one direction of audio exposes. Narrow interface so unit tests can substitute fakes for the Web Audio-backed RealtimeAudioMeter.
The current spectrum as count normalized bins (default REALTIME_AUDIO_BIN_COUNT).
count
Optional
Releases the analyser (and the meter-owned AudioContext, when it created one).
AudioContext
Instantaneous RMS level, 0..1 (0 = silence).
The level/spectrum surface one direction of audio exposes. Narrow interface so unit tests can substitute fakes for the Web Audio-backed RealtimeAudioMeter.