I do: $ ffmpeg -i minpian.wav -i minpian.m2v -target dvd -acodec pcm_s16be \ -b 8000k -s 720x576 -ab 1536k -ac 2 -r 25 minpian.mpg and get the following: [...] [dvd @ 0x8311670]buffer underflow i=1 bufi=4026 size=4096te= 344.9kbits/s [dvd @ 0x8311670]packet too large, ignoring buffer limits to mux it [...] Please help thanks Rodolfo