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chore(barge-in): update threshold for the new model #5933

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chore(barge-in): update threshold for the new model #5933

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chore(barge-in): update threshold for the new model
chenghao-mou Jun 2, 2026
e44f2a3
address comment
chenghao-mou Jun 2, 2026
92922c7
Update livekit-agents/livekit/agents/inference/interruption.py
chenghao-mou Jun 2, 2026
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10 changes: 6 additions & 4 deletions livekit-agents/livekit/agents/inference/interruption.py
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Original file line number Diff line number Diff line change
Expand Up @@ -52,13 +52,15 @@
)

SAMPLE_RATE = 16000
THRESHOLD = 0.5
MIN_INTERRUPTION_DURATION = 0.025 * 2 # 25ms per frame, 2 consecutive frames
THRESHOLD = 0.656
MAX_AUDIO_DURATION = 3 # 3 seconds
DETECTION_INTERVAL = 0.1 # 0.1 second
AUDIO_PREFIX_DURATION = 1.0 # 1.0 second
REMOTE_INFERENCE_TIMEOUT = 0.7 # 700ms
_FRAMES_PER_SECOND = 40
# they are used only to compute MIN_INTERRUPTION_DURATION * _FRAMES_PER_SECOND = min_frames (2 by default)
FRAME_SIZE = 0.01 # 10ms
MIN_INTERRUPTION_DURATION = FRAME_SIZE * 2 # 10ms per frame, any 2 frames
_FRAMES_PER_SECOND = 100


class InterruptionDetectionError(BaseModel):
Expand Down Expand Up @@ -1178,7 +1180,7 @@ def _estimate_probability(
if probabilities is None:
return 0.0

n_th = math.ceil(window_size / 0.025) # 25ms per frame
n_th = math.ceil(window_size / FRAME_SIZE) # 10ms per frame
if len(probabilities) < n_th:
return 0.0

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