On Fri, 2011-05-27 at 17:56 +0800, Lin, Mengdong wrote: > Could anybody tell me how dump the data to a Bluetooth sink from a > VOIP sink input stream? Which function shall I hack? > > > > I try to run GTalk with Bluetooth headset. I set the card profile to > HSP. And the input stream/output stream are connected to the Bluetooth > sink/source. > > But I cannot hear the voice from the other side. Increasing the volume > of sink or sink input does not work. In fact, I tried a very large > number but the VOIP stream keeps quite in my BT headset. > > If I launch a music player at the same time and also move the stream > to the Bluetooth sink (HSP), I can hear the song. It means the BT sink > is working. > > If I disconnect Bluetooth handset and switch to speaker, I can here > weak voice from GTalk. Does the data become invalid when it?s > connected to BT sink? > > > > So I want to check the input data from GTalk to the Bluetooth sink, to > see whether the data is bad or just too weak for the BT headset. You could just run pavucontrol which gives you a vu meter of the various recording and playback levels. You can also connect to the monitor source of the sink to capture the actual data. -- Arun