Channel count of the visualization stream; 1 after setChannelMode with mono.
As requested.
Window length in seconds, as requested.
Optionalleftstereo answers: the first channel.
Optionalrightstereo answers: the second channel; a copy of left when the stream has one channel.
Sample rate of the visualization stream in Hz.
As requested.
Always true here; a failed call resolves with ApiFailure instead.
Optionalwaveformmix answers: one value per sample.
Successful response from
audio.getWaveform.