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Date: Mon, 10 Mar 2014 12:14:27 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: sox - package is broken
Message-ID: <20140310111427.GE2828@calimero.vinschen.de>
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On Mar  9 21:37, Dr. Alexander Kleinsorge wrote:
> Hi Dave,
>=20
> yes, /dev/dsp seems to be broken.
> short wav-files are silent, long ones (> 2sec) are ok (hearable).
>=20
> Alexander
>=20
> ------------------
> On 26/02/2014 22:38, Dr. Alexander Kleinsorge wrote:
>=20
>     1st sox problem:
>     in Cygwin 1.7.28 sound is broken. (sox + play)
>     I followed all hints as reply to my first post last week.
>=20
>     $ play blip.wav
>     blip.wav:
>       File Size: 1.33k     Bit Rate: 94.4k
>        Encoding: Unsigned PCM
>        Channels: 1 @ 8-bit
>     Samplerate: 11025Hz
>     Replaygain: off
>        Duration: 00:00:00.11
>     In:100%  00:00:00.11 [00:00:00.00] Out:1.25k [=3D=3D=3D=3D=3D=3D|=3D=
=3D=3D=3D=3D=3D]=20=20=20=20=20=20=20
> Clip:0
>     Done.
>     =3D=3D> BUT I DONT HEAR ANYTHING, but same file works with other wind=
ows
>     players (=3D=3D> soundcard + driver + speaker =3D ok).
>=20
> I've been able to reproduce this using very short wav files (less than 2
> seconds in duration); if I use a longer file then it seems to work OK.
> Please could you try again with a longer wav file and report how you get
> on.
>=20
> This may be a Cygwin problem (rather than an issue with sox itself), as
> piping the wav file to /dev/dsp has the same result, i.e. short wav files
> are not heard.

Does anybody feel up to the task to debug this issue in the Cygwin DLL?
The DSP code is practically only in a single file called fhandler_dsp.cc.

Maybe it's something obvious for somebody knowing how this works on
Windows.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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