diff --git a/rtcllm/aav.py b/rtcllm/aav.py
index a877860..cae3dc2 100644
--- a/rtcllm/aav.py
+++ b/rtcllm/aav.py
@@ -30,6 +30,7 @@ class MyTrackBase(MediaStreamTrack):
 		self.set_track()
 
 	async def recv(self):
+		print(f'{self.__class__.__name__}, {self.source.duration=}, {self.source.time=}')
 		if self.source is None:
 			return None
 		if self.track.readyState != 'live':