Re: [ecasound] Re: [Alsa-user] "Device busy" w/ multitrack capture on Delta-66

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Subject: Re: [ecasound] Re: [Alsa-user] "Device busy" w/ multitrack capture on Delta-66
From: Anthony (avan_AT_uwm.edu)
Date: Tue Sep 03 2002 - 23:32:48 EEST

* Daniel G. Epstein <dgpestein_AT_pobox.com> [Sep 03 02 15:07]:

> > ecasound -f:s32_le,12,48000,i -a:1,2 -i:alsa,ice1712 \
> > -a:1 -f:s32_le,1,48000 -erc:1,1 -o:mono.32_le.1.wav \
> > -a:2 -f:s32_le,1,48000 -erc:2,1 -o:mono.32_le.2.wav
>
> Thank you. I have been fighting with this for so long. Do you know
> what the -erc settings would be with stereo input for each instrument?

Hmmm...Homework? How about:

ecasound -f:s32_le,12,48000,i -a:1,2,3,4 -i:alsa,ice1712 \
        -a:1 -f:s32_le,2,48000,i -erc:1,1 -o:stereo1.wav \
        -a:2 -f:s32_le,2,48000,i -erc:2,2 -o:stereo1.wav \
        -a:3 -f:s32_le,2,48000,i -erc:3,1 -o:stereo2.wav \
        -a:4 -f:s32_le,2,48000,i -erc:4,2 -o:stereo2.wav

I just tried it and it seems to work. Maybe Kai or someone else can
comment on better approaches. Is it possible to make aliases for
format strings like an effect preset:

f12 = -f:s32_le,12,48000,i

and then

ecasound -pn:f12 ....

But this doesnt seem to work...

>
> Hmmm . . . I've just managed to record at s16_le,12,44100 and play back at
> the same (but with two channels) without any errors. This may be a
> difference between the onboard mixers in the Delta 44 and 66?

Well they are really identical devices. Are you sure you are not using
a plugin device? Otherwise it may be a difference in versions of
ecasound...I have v2.1dev8.

--ant 

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