[alsa-devel] Intel HDA digital out distortion
tiwai at suse.de
Tue Oct 9 11:49:30 CEST 2007
At Wed, 3 Oct 2007 22:18:46 +0200,
> On Monday 23 July 2007 23:09:24 Ingmar Stieger wrote:
> > a couple of weeks ago, I bought an ASUS mainboard with integrated
> > Intel
> > HDA and an AD1988B codec. Unfortunately, the digital / SPDIF output
> > gets distorted with stock 1.0.14 drivers. It does not matter what the
> > volume levels of the various mixers are set to.
> I have the same issues.
> Any sound is distorted through spdif output (seems more pronounced with
> low frequencies.)
> Sound is not distorted:
> - using passthough (playing AC3)
> - when volume is set to the very minimal (no perceptible distortion)
> - with analog output
> My motherboard: ASUS P5B deluxe with integrated soundchip
> Kernel: 2.6.22
> Alsa: Intel HD audio kernel built module
> asound.conf: http://pastebin.com/f2c54b47b
> > I think I might have found the source for this problem. Maybe it's
> > only a workaround, but it solved the issue and digital out now works
> > fine for me, so I thought I'd share.
> The patch worked for me, no more distortion :)
> Thanks for sharing,
Could you check whether the problem got fixed with ALSA 1.0.15rc3?
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