Re: Phase Reversal on Santa Cruz (cs46xx)

[Kevin Puetz <puetzk@iastate.edu>]

On Sunday 17 November 2002 00:56, you wrote:
> I am not currently a subscriber to this list, so pease CC me on any
> responses.

OK,  I decided to subscribe, so I ignore this.

> Frank, Benny, the guess of a phase reversal as responsible for the 'lack of
> bass' on this card is dead-on - a little tinkering with artsbuilder (had to
> remember how to do it) to place an inverter in one channel of the output
> path brings sound back to perfection. Great guess!
>
> I can pretty much leave the sub (which has one cone and mixes the channels
> first) silent against a full-volume sine wave, or invert it and have it
> perfect. I can definitely hear sine waves at higher frequencies attenuated
> to some extent if I move the speakers directly adjacent to one another. I'd
> say that confirms it pretty well.

I have also got an aRts stereo effect to fix it for noatun now, so I can 
verify it fixing the sound for general music as well. Yippie :-)

> So... anything that can be done to fix this (I assume so, since it's a new
> problem since older alsa), or do I have to cut my speaker wires apart? :-P

Still hopfully alsa gets fixed and I can throw away the effect plugin :-)


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