On 7/11/07, dustin@xxxxxxxxx <dustin@xxxxxxxxx> wrote: > > Exactly, this sounds like when I was sending left-aligned serial audio > instead of I2S format from ice1724 to the codec. Low volumes were OK, higner > distorted. > > Pavel. > > > ------------ Původní zpráva ------------ > > Od: Liam Girdwood <lg@xxxxxxxxxxxxxxxxxxxxxxxxxxx> > > Předmět: Re: Query regarding sampling rates etc > > Datum: 10.7.2007 23:18:21 > > ---------------------------------------- > > On Tue, 2007-07-10 at 19:32 +0530, Pharaoh . wrote: > > > Hi, > > > This is a very vague question, just thought of asking it after hours > of > > > debugging. > > > > > > I am testing my alsa driver, written for omap 730/850 based board. I > am > > > testing it by using aplay. > > > > > > Despite checking clocks, sampling rates etc many times and after > doing many > > > combinations thereof, I cant hear anything more than a noise which > changes > > > and becomes more like the original .wav file as I change various > params like > > > sampling rates/clocks etc. It becomes close to the actual thing, but > not > > > better. > > > > > > Any idea what are the params I should be tweaking? I know this is h/w > > > dependent. > > > > > > > Sounds like (no pun intended) your digital audio interface is not set > up > > correctly between your codec and CPU. It's probably best to make sure > > they are both using the same I2S or PCM modes. > > > > Liam > > > > _______________________________________________ > > Alsa-devel mailing list > > Alsa-devel@xxxxxxxxxxxxxxxx > > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > > > > > > > Okay, got it. But in this case wont the data on i2s line get corrupted? I could see correct data being passed on i2s data line, I tried with some unique patterns and the 2's compliment was visible on the data line. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
