[FFmpeg-user] Sampling frequency conversion

rohit a rohit.tvm.86 at gmail.com
Mon Jul 15 14:01:00 CEST 2013

Hi Carl,

I used an input of 32000 Hz. I wanted to convert the output to 24000 Hz.

So I used the below command.
./ffmpeg  -i   Input.mpeg  -ar  24000  Output.avi

But still I am getting the output sampling frequency as 32000 Hz.  So can
you  please provide me the correct command line for converting 32000 Hz
to  24000 Hz.

On 15 Jul 2013 17:00, "Carl Eugen Hoyos" <cehoyos at ag.or.at> wrote:

> rohit a <rohit.tvm.86 <at> gmail.com> writes:
> > ./ffmpeg -i  input.mpeg  output.avi -ar 24000
> (Complete, uncut console output missing, note that
> ffmpeg prints a warning here explaining that
> something is wrong with the command line.)
> The general ffmpeg syntax is:
> $ ffmpeg [input file 1 options] -i input_file-1
> [[input file x options] -i input_file_x]
> [output file 1 options] output_file_1
> [[output file x options] output_file_x]
> Your command line asks ffmeg to change the sample
> rate for the second output file to 24kHz but you
> did not define a second output file.
> Carl Eugen
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> ffmpeg-user at ffmpeg.org
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