A NOTE has been added to this issue. ====================================================================== <https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2147> ====================================================================== Reported By: Gene Heskett Assigned To: tiwai ====================================================================== Project: ALSA - driver Issue ID: 2147 Category: PCI - atiixp Reproducibility: always Severity: major Priority: normal Status: assigned Distribution: FC5, uptodate Kernel Version: 2.6.16-1.2111_FC5 ====================================================================== Date Submitted: 05-23-2006 03:52 CEST Last Modified: 05-23-2006 17:24 CEST ====================================================================== Summary: lack of full duplex operation for ati-ixp chipset. Description: skype, ekiga, audacity, and generally any program that needs to both transmit and receive, using isolated paths, fails in playback when recording. In skype, I sound great at the far end, but reception may or may not work, with emphasis on the not. What I hear in the phones, or in the speakers, sounds like what you would get if you took a sentence of spoken words, break it up into say 5ms pieces, and play them at maybe 10 of these little snippets per second, so that the resultant sound is broken up to the point of no comprehension, and stretched in time by a considerable amount. In audacity, simultanious playback, or play one track while recording another, likewise fails in that only very short snippets of the played track are output to the phones or speakers. Likewise, ekiga suffers from this same effect, I'm told I sound great on teh other end, but I can't hear more than half a word occasionally. ====================================================================== ---------------------------------------------------------------------- Gene Heskett - 05-23-06 16:46 ---------------------------------------------------------------------- Thats not so simple, I have only ogg files from one cd available, which aplay apparently doesn't know how to play. I've not ripped any aditional music because grip cannot play a cd in the drive. Attempts result in grip (or most any other cd player, like kscd, go thru the motions of playing the cd, but only silence comes out), it can rip it, and a not very high quality rip (sounds like amplifier saturation to this broadcast engineer and audacity says the levels are running 0 db and above) was made. So I'm not at all familiar with either aplay or arecord. Can you supply a command line that would generate a file for test, and then a command line that will play that file while recording another, with no crosstalk between them? Something you *know* works so we aren't trying compare apple to oranges? ---------------------------------------------------------------------- tiwai - 05-23-06 17:24 ---------------------------------------------------------------------- Surprising, you have no WAV files for playback, or you have no oggdec or sox program on your system. Apparently you're trying something very special. I asked a simple test like below: 0. prepare a WAV file for playback. not necessarily so long. 1. set up your system a loopback from line-out jack directly to line-in. 2. select the capture source to "Line" (or "Mic" according to your h/w setting) 3. run "aplay somefile.wav" on a terminal 4. run "arecord -vv -fcd foo.wav" on another terminal at the same time. VU meter appears, and adjust the "Capture Volume" for the preferred level 5. check the recorded WAV file. Alternatively, you can record via internal loopback without jack connection by choosing "Mix" as the capture source. Then the playback audio is directly routed to the ADC. In this case, the setup 1 and 2 can be omitted. Issue History Date Modified Username Field Change ====================================================================== 05-23-06 03:52 Gene Heskett New Issue 05-23-06 03:52 Gene Heskett Distribution => FC5, uptodate 05-23-06 03:52 Gene Heskett Kernel Version => 2.6.16-1.2111_FC5 05-23-06 15:01 tiwai Note Added: 0009934 05-23-06 16:46 Gene Heskett Note Added: 0009938 05-23-06 17:24 tiwai Note Added: 0009941 ====================================================================== ------------------------------------------------------- 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
