Once I had the distorted sound, I started exploring configuration options available from the front panel of the SD-90. I changed "USB Driver" from "Vender" [sic] to "Generic". Now it's working perfectly! Thanks so much for your help. On Wed, Apr 28, 2010 at 12:36, Bill Unruh <unruh@xxxxxxxxxxxxxx> wrote: > On Wed, 28 Apr 2010, Jim Grusendorf wrote: > >> I turned the volume way down and got somewhat recognizable sound. It >> is heavily distorted, and plays only on the left side. There's a lot >> of static and it sounds like it's being modulated by a low frequency. >> Could it be something like a buffering problem? >> >> On Wed, Apr 28, 2010 at 11:57, Jim Grusendorf <alsa-user@xxxxxxxxxxxxx> >> wrote: >>> >>> I couldn't find a usbquirks.h file, but I found the lines from the >>> patch in alsa-kernel/usb/quirks-table.h and edited it manually. We've >>> made progress! I now have sound, but it is mostly static, buzzes, and >>> squeals. >>> >>> On Wed, Apr 28, 2010 at 09:54, Clemens Ladisch <clemens@xxxxxxxxxx> >>> wrote: >>>> >>>> Jim Grusendorf wrote: >>>>> >>>>> I know this isn't the place for general tutorials, but I'm wondering >>>>> if someone could give me the commands to accomplish this. I'm >>>>> attempting to follow a tutorial for recompiling the kernel >>>>> (https://help.ubuntu.com/community/Kernel/Compile), but unfortunately >>>>> know nothing about patching. > >>>> >>>> Reinstalling the kernel can be dangerous if you don't know what you're >>>> doing; I'd recommend you patch the separate driver package: >>>> >>>> 1) Install the linux-headers package; >>>> 2) download >>>> ftp://ftp.alsa-project.org/pub/driver/alsa-driver-1.0.23.tar.bz2 >>>> 3) unpack it: >>>> tar xjf alsa-driver-1.0.23.tar.bz2 >>>> 4) cd alsa-driver-1.0.23/alsa-kernel >>>> 5) patch -p1 < /where/you/put/the/patchfile >>>> 6) cd .. >>>> 7) ./configure >>>> 8) make >>>> 9) sudo make install-modules > > I support the above strongly. Do not recompile your kernel as a whole. It is > like taking the wheels muffler transmission, engine out of your car to > change > the air filter and then putting everything back together again. The chances > of your screwing up something are high. And it takes a long time. > > >>>> >>>> Then unload and load the snd-usb-audio module, or reboot. >>>> >>>> (This will overwrite the sound module of your current kernel, so they >>>> might get overwritten again if you update the kernel package.) > > If you update the kernel, it will install its modules in a different place, > and you will have to do the whole recompillation again, and install them in > the new kernel. Thus, unless you reinstall your current kernel, the new > modules will not get > overwritten but will not be used, as the modules for the new kernel will be > what are used. > ------------------------------------------------------------------------------ _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
