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add bitrate param for recorderio #4052

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add bitrate param for recorderio #4052

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3 changes: 3 additions & 0 deletions livekit-agents/livekit/agents/voice/recorder_io/recorder_io.py
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ def __init__(
*,
agent_session: AgentSession,
sample_rate: int = 48000,
bitrate: int = 128000,
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@theomonnom theomonnom Nov 24, 2025

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Suggested change
bitrate: int = 128000,
target_bitrate: int = 128000,

loop: asyncio.AbstractEventLoop | None = None,
) -> None:
self._in_record: RecorderAudioInput | None = None
Expand All @@ -41,6 +42,7 @@ def __init__(
self._out_q: queue.Queue[list[rtc.AudioFrame] | None] = queue.Queue()
self._session = agent_session
self._sample_rate = sample_rate
self._bitrate = bitrate
self._started = False
self._loop = loop or asyncio.get_event_loop()
self._lock = asyncio.Lock()
Expand Down Expand Up @@ -142,6 +144,7 @@ def _encode_thread(self) -> None:
stream: av.AudioStream = container.add_stream(
"opus", rate=self._sample_rate, layout="stereo"
) # type: ignore
stream.codec_context.bit_rate = self._bitrate

in_resampler: rtc.AudioResampler | None = None
out_resampler: rtc.AudioResampler | None = None
Expand Down