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Fix Duplicate / inconsistent EOU

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This commit is contained in:
Xin Wang
2026-02-06 07:23:31 +08:00
parent da52a88006
commit 4ceb3ec96f
2 changed files with 3 additions and 15 deletions
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14
processors/vad.py
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@@ -6,7 +6,6 @@ from typing import Tuple, Optional
import numpy as np
from loguru import logger
from processors.eou import EouDetector
# Try to import onnxruntime (optional for VAD functionality)
try:
@@ -160,25 +159,19 @@ class VADProcessor:
Tracks speech/silence state and emits events on transitions.
"""
def __init__(self, vad_model: SileroVAD, threshold: float = 0.5,
silence_threshold_ms: int = 1000, min_speech_duration_ms: int = 250):
def __init__(self, vad_model: SileroVAD, threshold: float = 0.5):
"""
Initialize VAD processor.
Args:
vad_model: Silero VAD model instance
threshold: Speech detection threshold
silence_threshold_ms: EOU silence threshold in ms (longer = one EOU across short pauses)
min_speech_duration_ms: EOU min speech duration in ms (ignore very short noises)
"""
self.vad = vad_model
self.threshold = threshold
self._eou_silence_ms = silence_threshold_ms
self._eou_min_speech_ms = min_speech_duration_ms
self.is_speaking = False
self.speech_start_time: Optional[float] = None
self.silence_start_time: Optional[float] = None
self.eou_detector = EouDetector(silence_threshold_ms, min_speech_duration_ms)
def process(self, pcm_bytes: bytes, chunk_size_ms: int = 20) -> Optional[Tuple[str, float]]:
"""
@@ -196,10 +189,6 @@ class VADProcessor:
# Check if this is speech based on threshold
is_speech = probability >= self.threshold
# Check EOU
if self.eou_detector.process("Speech" if is_speech else "Silence"):
return ("eou", probability)
# State transition: Silence -> Speech
if is_speech and not self.is_speaking:
self.is_speaking = True
@@ -222,4 +211,3 @@ class VADProcessor:
self.is_speaking = False
self.speech_start_time = None
self.silence_start_time = None
self.eou_detector = EouDetector(self._eou_silence_ms, self._eou_min_speech_ms)