OptionalsilenceRMS below which a window counts as silence.
OptionalsilencePeak below which a window counts as silence.
OptionalproviderSupplies the current provider music hint, if any.
Speechmatics documents its realtime music events as over-sensitive, so the hint can only nudge a borderline window toward music — it never forces the decision and its absence never argues for speech.
Active hint, or null when no fresh hint exists.
Options for createHeuristicAudioActivityClassifier.