[FFmpeg-user] Audio transcoding

Diljit Singh diljit77 at gmail.com
Mon Aug 26 16:29:10 CEST 2013


I tried it , but doesn't seem to be working.

Then I tried following command
ffmpeg -i SDR.wav -acodec pcm_u16be -ar 8000 -ac 1 -y SDR_final.wav

When I tried to test output file in vlc player it still shows 8 bit sample
width.

Please suggest.

Regards,
Diljit singh

On Monday, 26 August 2013, Mirko Puliafito wrote:

> Alaw is 16 bits per sample. If you want other PCM formats take a look here:
>
> http://trac.ffmpeg.org/wiki/audio%20types
>
> Mirko
>
>
> 2013/8/26 Diljit Singh <diljit77 at gmail.com <javascript:;>>
>
> > thanks Mirko,
> >
> > but how we can controls bits per sample ?
> >
> > Regards
> > Diljit Singh
> >
> >
> > On Mon, Aug 26, 2013 at 3:12 PM, Mirko Puliafito
> > <mirko.puliafito at gmail.com <javascript:;>>wrote:
> >
> > > Try with:
> > >
> > > ffmpeg -i <your_audio_source_path> -acodec pcm_alaw -ar 8000 -ac 1
> > > <your_dest_file_path>
> > >
> > > Mirko
> > > 2013/8/26 Diljit Singh <diljit77 at gmail.com <javascript:;>>
> > >
> > > > Dear All,
> > > >
> > > > Want to transcode audio in following format. Please suggest
> > > >
> > > > 16 bit, 8KHz, Mono- 9 db, mono, G.711 A- Law encoding
> > > >
> > > > As far as sampling frequency and no of channel is concern I know the
> > flag
> > > > used, but not for rest of the configurations
> > > >
> > > > Regards
> > > > Diljit Singh
> > > > _______________________________________________
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