Whether translation is ready, optional STT provider, and optional status callback.
OptionalsttProvider?: LiveTranslationStreamingSttProviderActive STT provider (informational; frames are always ~250ms for streaming ASR).
OptionalonLiveChange?: (live: boolean) => voidCapture controls UI.
Browser microphone / input-device capture that streams PCM chunks to the owner ingest API. The mic MediaStream stays closed by default (no tab recording light). Use Test mic for level checks without ingest, or Add audio to stream. Device switching works idle, in test mode, or while live.