Re: [ecasound] 24-bit recording (with M Audio 1010LT/OSS)

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Subject: Re: [ecasound] 24-bit recording (with M Audio 1010LT/OSS)
From: Craig Meyer (craig_r_meyer_AT_yahoo.com)
Date: Tue Sep 17 2002 - 12:24:09 EEST

Oh heck, I'm sorry guys, I didn't realize that I had
to set the -f format for both input AND output. So
this works fine:
  ecasound -f 32,2,44100,i -i /dev/dsp8
  -f 32,2,44100,i -o 32bitfile3.raw

Only one out of four bytes is a 0x00 now;
  90, 54, -5, 0, -35, -9, -8, 0, 92, -37, -5, 0

So I seem to be in business. (Right?)
--Craig

--- Craig Meyer <craig_r_meyer_AT_yahoo.com> wrote:
> Dear Ecasounders,
>
> Forgive me if this is the wrong place to ask this,
> but.....
>
> I'm trying to do 24-bit recording with my M-Audio
> Delta 1010LT using the OSS driver, which certainly
> claims to support 24/32-bit recording.
>
> But, when I do some recording:
> ecasound -i /dev/dsp8 -f s32_le,2,44100,i
> -o 32bitfile.raw
>
> and look at the bytes in my output file:
> ... 113, -4, 0, 0, 62, 1, 0, 0, 80, -3, 0, 0 ...
>
> fully half of the bytes are 0x00, which suggests
> that
> ecasound is just padding 16-bit samples with zero's
> to
> make 32-bit samples.
>
> What to do? Have any of you heard about people
> successfully breaking the "16-bit barrier?" Was it
> with ecasound? Which card and driver? Etc etc.
>
> It's probably some simple little thing that I need
> to
> configure, but for now I'm just stumped. Any
> helpuful
> hints would be much appreciated, believe you me!
>
> Well, until then, thanks in advance,
> --Craig Meyer
> President
> Casettes2CDs.com
>
>
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