Thanks for your answer
> It may be possible that the ALC650's clock runs faster than that of
> the DVD player (i.e., ac3dec reads more data than arecord than
> supply). Do you still get CRC errors when you don't play to the sound
> card ("-D null")?
The difference between the DVD and the ALC650 clocks could be a
possibility, but in this case I would expect a regular data loss rate, and
this is not the case. From the sample rate point of view, I get a 48000
rate from SPDIF input status, and I specify 'dat' format to arecord.
The problem is independent of the playback. I can see how 8 bytes (2
samples) are lost in the SPIDF stream from arecord -- I made a mistake in
my previous mail. I check that using the commands:
setrtsched nice -n -20 arecord -f dat -t raw -d 20 > /mnt/disk/bitstream
hexdump /mnt/disk/bitstream | less
where /mnt/disk is a ram disk. I'll try installing the 2.6 kernel and the
latest version of ALSA.
Alejandro
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