At Tue, 21 Oct 2003 13:32:10 +0200 (CEST), Jaroslav wrote: > > > very short while a write will block for more than one second. Are those > > ALSA related problems, or hardware ones ? > > You said that you're using an USB device. It might be a problem with our > USB driver. Also, USB devices are working with 1ms periods at the physical > level, so transferring 32 frames does not make probably sense anyway.
this should be ok, since the sample rate is 8k Hz (although RT-scheduling would be needed for 4ms periods.) but 1ms period alignment is important: if you want a RT process with the USB audio device, choose the sample rate with multiple of 1000. for example, avoid 44.1kHz, but use 48k instead. Takashi ------------------------------------------------------- This SF.net email is sponsored by OSDN developer relations Here's your chance to show off your extensive product knowledge We want to know what you know. Tell us and you have a chance to win $100 http://www.zoomerang.com/survey.zgi?HRPT1X3RYQNC5V4MLNSV3E54 _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
