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Date: Wed, 13 Dec 2017 21:16:32 +0700
From: Victor Sudakov <vas@mpeks.tomsk.su>
To: "Onno K." <onno.k@gmx.com>
Cc: Freebsd-multimedia@freebsd.org, freebsd-questions@freebsd.org
Subject: Re: How to capture audio with FreeBSD?
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Onno K. wrote:
> > Since when is it not possible to record with 
> > "cat /dev/dsp > file.wav" like in old hardcore Unixes?
> 
> 
> I have tried this, but the resulting file.wav is only 0 bytes after
> several seconds. So this does not appear to work either. Control-T
> reveals the process is stuck in 'pcmrdv' state. 

So I wonder when it got broken.
> 
> I am also curious how it works with multiple input devices; does BSD
> know what device to point to when accessing /dev/dsp?
> 

AFAIK /dev/dsp is the default device according to sysctl
hw.snd.default_unit, but you can always use /dev/dsp0, /dev/dsp1 etc.

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
AS43859