At Tue, 8 Aug 2006 03:09:43 +0200, Markus Rechberger wrote: > > Ok I managed to get rid of that garbled background noise now I get > underrun messages... > > $ aplay -D hw:2,1 5_5_2006__07_00_59.wav > Playing WAVE '5_5_2006__07_00_59.wav' : Signed 16 bit Little Endian, > Rate 9600 Hz, Mono > underrun!!! (at least 0,271 ms long) > underrun!!! (at least 0,248 ms long) > [...] > > I can hear the sound clearly, but looks like these 200ms cause a choppy sound... > I also tried to add support for this device to snd-usb-audio, but > since this device has no synchronisation packets the driver fails... > Does anyone know what causes such a buffer underrun? For example, the calculation of the current pointer doesn't match with the actual position. > I think it still has something to do with the snd_pcm_hardware_t values... My guess is that the problem is the implementation of pointer callback. > maybe the time will come when I'm not the only one on this ML who > answers my questions.... Maybe you'll get more response if you show your codes more openly... Otherwise it's just a wild guess. Takashi ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel
