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Date: Tue, 26 Nov 2019 19:16:45 +0000
From: Eric Wong <e@80x24.org>
To: Rene Maurer <rmnet@mailc.net>
Subject: Re: Using 16-bit Signed Integer PCM
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Rene Maurer <rmnet@mailc.net> wrote:
> 
> Eric Wong <e@80x24.org> wrote:
> > .sox is always 32-bit integer, see soxformat(7) manpage.
> 
> Ok. I have overseen that SoX's native PCM format is also used for
> *piping*. Does this mean, that also 32 bit are sent towards the sound
> card?

Nope.  sox will either convert to whatever the layer accepts
(as done for ALSA) or hand off to a sound server (e.g. pulseaudio)
and the soundserver will do the conversion.