Hi Jesse, Tried out with 48KHz, same issue occurred. Have you recorded and played successfully with any kernel version?
Thanks, Dustin On Mon, Dec 1, 2014 at 2:05 PM, Jesse Cobra <jesseco...@gmail.com> wrote: > Curious what happens if you try 48k sampling? > On Nov 30, 2014 9:37 PM, "Dien Nguyen" <nguyentienhoangd...@gmail.com> > wrote: > >> Hi John, >> >> Did you solve the issue yet, may you please share how to fix it? We also >> tried with 3.18 and the issue is still there. >> >> Thanks, >> Dustin >> >> On Mon, Dec 1, 2014 at 12:29 PM, John Syn <john3...@gmail.com> wrote: >> >>> >>> From: Dien Nguyen <nguyentienhoangd...@gmail.com> >>> Reply-To: "beagleboard@googlegroups.com" <beagleboard@googlegroups.com> >>> Date: Sunday, November 30, 2014 at 7:14 PM >>> To: "beagleboard@googlegroups.com" <beagleboard@googlegroups.com> >>> Subject: [beagleboard] Audio capture issue with BeagleBone Black and >>> Audio Cape Rev B >>> >>> >>> Hi All, >>> >>> We tried the Audio Cape Rev B with BeagleBone Black. The kernel version >>> is 3.14.17 (https://github.com/RobertCNelson/bb-kernel.git branch >>> am33x-v3.14) >>> >>> We was able to play and record via the Audio Cape. If we record and play >>> the file via the Audio Cape, it works fine. But when we move the recorded >>> file to other machine or play it via the USB Sound Card, the speed of the >>> recorded file seems 1.5 time slower than it really is. >>> >>> On the board, we recorded the audio with >>> arecord -t raw -f S16_LE -r 44100 /tmp/1.raw >>> >>> Then, we playback the file with command >>> aplay -t raw -f S16_LE -r 44100 /tmp/1.raw >>> >>> 1/ On x86 machine, the voice become very slow. If we change the sampling >>> rate to 63000, it is played close to the real voice we recorded. >>> 2/ Trying with a USB Sound Card plugged directly to the board. >>> aplay -t raw -f S16_LE -r 44100 -D plughw:1,0 /tmp/1.raw >>> We saw the same issue as seen on x86 machine >>> >>> It seems that there is something wrong with the sampling rate clock. May >>> anyone please give some suggestions >>> >>> I've seen the same problem when recording on the BBB and then playing >>> the same file on my Ubuntu Desktop. Not sure why this happens. I'm using >>> 3.15.10-bone8. >>> >>> Regards, >>> John >>> >>> >>> Thanks >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to beagleboard+unsubscr...@googlegroups.com. >>> For more options, visit https://groups.google.com/d/optout. >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to a topic in the >>> Google Groups "BeagleBoard" group. >>> To unsubscribe from this topic, visit >>> https://groups.google.com/d/topic/beagleboard/XmMg5DjJvsk/unsubscribe. >>> To unsubscribe from this group and all its topics, send an email to >>> beagleboard+unsubscr...@googlegroups.com. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to beagleboard+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. >> > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in the > Google Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/XmMg5DjJvsk/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
