that's a bug in rc6 version of cs46xx driver. The lack of bass is caused by phase reversal of one channel, i.e. wrong sign of the values of one channel. Therefore correlating sound (low frequency components are stronger correlated because of the long wavelengths) in left and right channel will cancel out more or less when using loudspeakers and the stereophonic impression is also wrong. Up to now all reports of this problem stated that this error occurs only with analog out, not SPDIF -- but perhaps other cs46xx based cards were used.
The cvs version should fix this problem for analog out, perhaps also for digital out. But with cvs version SPDIF input doesn't work as it should and did with rc6 version (at least for my Terratec XFire).
If the cvs version doesn't fix the bass problem then benny should know what to do :-)
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Hannes Ebner schrieb:
Hi everybody, I recently tried to get the SPDIF/out working on my card -- I'm using Debian Woody 3.0 with Kernel 2.4.19. The Soundcard identifies itself as "Sound Fusion CS46xx" with a "Cirrus Logic CS4297A rev 4"-chip.After upgrading from "alsa-source 0.9+0beta12-3/stable" to "alsa-source 0.9.0rc6-3/testing" an recompiling the modules I got SPDIF working -- but: now I have really flat sound without Bass (I don't know if other characteristics are also missing, the only that I heard so far was the missing Bass). It's the same with Analog-Out as well as with Digital-Out -- what could I do to solve the problem? All worked fine when I was using 0.9beta12... Do I need a special configuration in /etc/alsa? Regards, Hannes
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