Troy Kisky wrote: > Rajashekhara, Sudhakar wrote: >> Troy, >> >>> I tried this patch on DM644x EVM and following are my observations: >>> >>> 1. Playback works fine. >>> 2. Record has some issues. Recorded stream has Loud volume on >>> the right side, and on the left, volume is very low. >> This was because of my faulty Line-In cable. I sincerely apologize >> for all the confusion caused. >> >>> 3. Loopback (arecord -f cd | aplay -f cd) has some issues. >>> Audio is bit noisy here. >> Loopback is still noisy with the proper Line-In cable and I also >> see underrun messages during loopback. Note that there are only >> 18-20 underrun messages after which they stop. As I had mentioned >> earlier, when I stop the loopback and start it again these >> underrun messages are not observed. >> >> Regards, Sudhakar > > On a dm644x with an aic23 codec both
# arecord -f cd | aplay -f cd Recording WAVE 'stdin' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo Playing WAVE 'stdin' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo Aborted by signal Interrupt... Aborted by signal Interrupt... # # # # arecord -f cd -D hw:0,0 | aplay -f cd -D hw:0,0 Recording WAVE 'stdin' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo Playing WAVE 'stdin' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo Aborted by signal Interrupt... Aborted by signal Interrupt... work fine for me. No underruns. _______________________________________________ Davinci-linux-open-source mailing list Davinci-linux-open-source@linux.davincidsp.com http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
