update vad parameter

moyoyo_asr_models/silero_vad.onnx

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:2623a2953f6ff3d2c1e61740c6cdb7168133479b267dfef114a4a3cc5bdd788f
-size 2327524

transcribe/helpers/vadprocessor.py

@@ -1,7 +1,7 @@
 from copy import deepcopy
 from queue import Queue, Empty
 from time import time
-from config import MODEL_DIR
+from config import VAD_MODEL_PATH
 # from silero_vad import load_silero_vad
 import numpy as np
 import onnxruntime
@@ -109,7 +109,7 @@ class VADIteratorOnnx:
                  min_silence_duration_ms: int = 100,
                  max_speech_duration_s: float = float('inf'),
                  ):
-        self.model = OnnxWrapper(MODEL_DIR/ "silero_vad.onnx", True)
+        self.model = OnnxWrapper(VAD_MODEL_PATH, True)
         self.threshold = threshold
         self.sampling_rate = sampling_rate
 
@@ -274,7 +274,7 @@ class VadProcessor:
     def __init__(
             self,
             prob_threshold=0.5,
-            silence_s=0.5,
+            silence_s=0.3,
             cache_s=0.25,
             sr=16000
     ):