Using single method to process the frames and making the variables pr…

…ivate.

src/pipecat/audio/filters/krisp_filter.py

@@ -48,16 +48,16 @@ def __init__(
         self._channels = channels
         self._sample_rate = 0
         self._filtering = True
-        self.krisp_processor = None
+        self._krisp_processor = None
 
     async def start(self, sample_rate: int):
         self._sample_rate = sample_rate
-        self.krisp_processor = KrispAudioProcessor(
+        self._krisp_processor = KrispAudioProcessor(
             self._sample_rate, self._sample_type, self._channels, self._model_path
         )
 
     async def stop(self):
-        self.krisp_processor = None
+        self._krisp_processor = None
         pass
 
     async def process_frame(self, frame: FilterControlFrame):
@@ -75,8 +75,7 @@ async def filter(self, audio: bytes) -> bytes:
         data = data.astype(np.float32) + epsilon
 
         # Process the audio chunk to reduce noise
-        self.krisp_processor.store_audio_chunk(data)
-        reduced_noise = self.krisp_processor.get_processed_frames()
+        reduced_noise = self._krisp_processor.process(data)
 
         # Clip and set processed audio back to frame
         audio = np.clip(reduced_noise, -32768, 32767).astype(np.int16).tobytes()