[MPlayer-users] How to create a wav file with silence with MPlayer
Rich Felker
dalias at aerifal.cx
Mon Oct 3 23:32:02 CEST 2005
On Mon, Oct 03, 2005 at 10:54:53AM -0400, Giacomo Comes wrote:
> Hi,
> Up to MPlayer 1.0pre7 I was able to create a wav file with silence with the
> following command line:
>
> mplayer -rawaudio on:format=0x1:rate=48000 /dev/zero -nocache -frames 4 -ao pcm:waveheader:file=silence.wav
>
> The advantage of this method is that I can easily select the frame rate and
> the duration (-frames) of the wav file.
>
> With CVS the syntax has changed. The corresponding command line is:
>
> mplayer -demuxer 20 -rawaudio format=0x1:rate=48000 /dev/zero -nocache -frames 4 -ao pcm:waveheader:file=silence.wav
>
> The problem now is that MPlayer never stops. It ignores completly the option -frames. Is there a way to restore the old beahviour?
What in the world do you mean by 4 frames of pcm audio??
Anyway using mplayer for this is rather overkill. It can be done
trivially with a shell script, almost as short as your mplayer command
line...
Rich
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