first convert mp3 to wav
$ mpg321 -w audio.wav audio.mp3
after convert wav file in mp2 (with 48000 samp. for dvd authoring)
$ mp2enc -r 48000 -o audio.mp2 < audio.wav
first convert mp3 to wav
$ mpg321 -w audio.wav audio.mp3
after convert wav file in mp2 (with 48000 samp. for dvd authoring)
$ mp2enc -r 48000 -o audio.mp2 < audio.wav
$ ffmpeg -i <input>.avi -f flv -vcodec flv -b 500kb -s 320x240 -qmin 1 -qmax 31 -acodec libmp3lame -ar 22050 -ac 1 <output>.flv