Alejandro Homs Puron wrote:
> My goal is to decode the AC-3 SPDIF signal from my DVD and to play it
> using the PC. By using alsamixer for configuring the ALC650 to read
> SPDIF in, and a simple spdifac3 program I did to extract AC-3
> from SPDIF stream, I can almost get what I want:
>
> arecord -f dat -t raw | spdifac3 | ac3dec -D sur51
>
> After all this, I still loose data reading SPDIF. From time to time, I
> loose 1 sample (4 bytes) which generates the 'CRC frame error' in ac3dec
> and the umpleasant 'tak' in my speakers.

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")?


Regards,
Clemens




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