services(whisper): increase no speech probability to 0.4

src/pipecat/services/whisper.py

@@ -45,7 +45,7 @@ class WhisperSTTService(STTService):
                  model: Model = Model.DISTIL_MEDIUM_EN,
                  device: str = "auto",
                  compute_type: str = "default",
-                 no_speech_prob: float = 0.1,
+                 no_speech_prob: float = 0.4,
                  **kwargs):
 
         super().__init__(**kwargs)

src/pipecat/transports/base_input.py

@@ -177,7 +177,7 @@ class BaseInputTransport(FrameProcessor):
                     vad_state = self._handle_vad(frame.audio, vad_state)
                     audio_passthrough = self._params.vad_audio_passthrough
 
-                    # Push audio downstream if passthrough.
+                # Push audio downstream if passthrough.
                 if audio_passthrough:
                     future = asyncio.run_coroutine_threadsafe(
                         self._internal_push_frame(frame), self._loop)