prashantha S <sayaprashantha <at> gmail.com> writes: > ffmpeg.exe -i 1.wav -ar 16000 -ab 19.85k -acodec libvo_amrwbenc test1.3gp > > But dawr/dawb atom is missing in the clips generated by ffmpeg Why do you think that damr atom is wrong? Which application fails for your output file? Carl Eugen