On Fri, 8 Apr 2011 13:59:48 +0300 Sergei Steshenko <steshenko_sergei@xxxxxxx> wrote: > Hello, > > I've tried to run 'arecord' as part of simultaneous playback + capture "rig" > (for acoustic measurements) and noticed overruns. > > So, even plain single 'record' occasionally produces overruns: > > arecord -D hw:0,2,0 -c 2 -r 96000 -d 6 -f S32_LE recorded.wav > Recording WAVE 'recorded.wav' : Signed 32 bit Little Endian, Rate 96000 Hz, Stereo > overrun!!! (at least 855507586.521 ms long) > . > > So, my question is: "Why ?". It's a 2.6Ghz machine with SATA disks. Two cores, > web browsers are the most active tasks (nothing fancy, no sound activity on > the side of the web browsers). Effectively one core is free. > > Any ideas ? > > The gear: > > Card: HDA NVidia > Chip: Realtek ALC883 > . > > Thanks, > Sergei. > > ------------------------------------------------------------------------------ I've replaced 'arecord' with 'sox': /home/sergei/AFSWD/install/sox-14.3.1/binsh/sox -b 32 -r 96000 -t alsa hw:0,2,0 -b 32 -c 2 -r 96000 -e floating-point recorded.wav trim 1 5 - no overruns. Any comments from ALSA developers ? Thanks, Sergei. ------------------------------------------------------------------------------ Xperia(TM) PLAY It's a major breakthrough. An authentic gaming smartphone on the nation's most reliable network. And it wants your games. http://p.sf.net/sfu/verizon-sfdev _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
