[linux-audio-user] ALSA and M-Audio Dio2448 SPDIF input (again)

Clemens Ladisch clemens at ladisch.de
Mon May 24 08:56:02 EDT 2004

Anahata wrote:
> By the way, it would help in debugging this (and probably be a usefult
> tool anyway) to have a recording application that displays the input
> signal on a meter of some sort.
> arecord doesn't show anything about the signal (unless I've missed
> something)

arecord displays the input signal with the -vv switch.  If you don't
want to actually record to a file, use something like:

arecord -D hw:0,2 -f dat -vv /dev/null

(or "-f cd" if the input is 44.1 kHz)


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