[FFmpeg-user] Sometimes a lot of noise

[Belcampo]

On May 29, 2012, at 8:13 AM, Cecil Westerhof wrote:

> To record audio I use the following command:
>    ffmpeg -y \
>      -f oss \
>      -i /dev/dsp \
>      -ac 1 \
>      -ar 22050 \
>      -ab 64k \
>      dummy.ogg
> 
> The strange thing is that most of the time I have a good recording,
> but sometimes the audio is faint and with a lot of white noise. (And
> because of Murphy, this happens when I record a long audio.) Anybody
> an idea why this happens? And what to do about it?
Could it be that the 'white noise' problem hits you when the source is dolby or dts and there is no dolby/dts-decoder available in your ffmpeg version ? Just a guess.

Henk Schoneveld
> 
> -- 
> Cecil Westerhof
> Senior Software Engineer
> LinkedIn: http://www.linkedin.com/in/cecilwesterhof
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user