One other note: aplay -D plug:dmix through a USB sound card does appear to work. There is some hiss at the end, but I do at least hear sound. Thanks, Cliff On Sat, Oct 22, 2011 at 11:47 PM, Cliff Brake <cliff.brake@xxxxxxxxx> wrote: > Hello, > > I have an embedded system that contains: > > - PXA270 ARM cpu > - UCB1400 AC97 codec > - ALSA (libasound) 1.0.24 > - 3.0 kernel > > When I run aplay <wavefile>, it works fine. > > When I run -D plug:dmix <wavefile>, it appears to be playing (don't > see any error messages, runs for expected amount of time), but I hear > silence. > > With last year's software (2.6.27 kernel, alsa 1.0.23), dmix works fine. > > I tried replacing alsa 1.0.24 with 1.0.23, and it still does not work, > so perhaps the issue is with the kernel? > > Does anyone have suggestions on how to debug this issue? I have not > found any other easy way to mix sound from several sources, so it > would be really nice to get this working. > > Thanks, > Cliff > > -- > ================= > http://bec-systems.com > -- ================= http://bec-systems.com ------------------------------------------------------------------------------ The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user