diff --git a/rtcllm/vad.py b/rtcllm/vad.py
index 232efca..415a654 100644
--- a/rtcllm/vad.py
+++ b/rtcllm/vad.py
@@ -136,6 +136,7 @@ class AudioTrackVad(MediaStreamTrack):
 		Takes path, PCM audio data, and sample rate.
 		"""
 
+		"""
 		audio_data = self.to_mono16000_data()
 		path = temp_file(suffix='.wav')
 		# print(f'temp_file={path}')
@@ -150,4 +151,17 @@ class AudioTrackVad(MediaStreamTrack):
 		if self.onvoiceend:
 			await self.onvoiceend(path)
 		# print('************over*******')
+		return
+		"""
+
+		path = temp_file(suffix='.wav')
+		output_container = av.open(path, 'w')
+		out_stream = output_container.add_stream('pcm_s16le', rate=16000, layout='mono')
+		resampler = AudioResampler(format=out_stream.format, layout=out_stream.layout, rate=out_stream.rate)
+		for frame in self.voiced_frames:
+			for f in resampler.resample(frame):
+				output_container.mux(out_stream.encode(frame))
+		output_container.mux(out_stream.encode())
+		output_container.close()
+		return path