I wrote this question at the end of another mail but since it might be 
unrelated, I though I would send it by itself with a good subject.

0,1 is the analog out and 0,2 the digital. I use a spdif cable to the 
receiver

aplay toto.wav -D hw:0,0 sounds good
aplay toto.wav -D hw:0,2 gives a very horrible background sound.
ac3dec test.ac3 -C -D hw:0,0 sends a good Dolby D signal to the amplifier
but ac3dec test.ac3 -C -D hw:0,2 send garbage to to the ampli (0,2 is
the digital out )

Is this the expected behaviour ? or should both work ? should it be a 
quality difference ?

adding a format S32_LE helps somewhat, I tried different rates 48000
44100 but it did not help
Any idea ?


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