car mp4 encoding

MP4 encode MPEG-4


detailed answer:
1) To create MP4 files you should preferably use audio/video formats covered by the MPEG-4 Standard:
- MP4 video formats: MPEG-4 SP/ASP: XviD, DivX5, 3ivx, ffmpeg/ffdshow, NeroDigital ASP... and MPEG-4 AVC/H.264: x264, NeroDigital AVC, Apple... and MPEG-2, MPEG-1 (not DivX3/MS Mpeg-4, WM9, RV9 or VP6) - doom9's quality comparisons: 1 2
- MP4 audio formats: Advanced Audio Coding (AAC FAQ): Quicktime/iTunes, Nero, Psytel, FAAC (binary)... (rjamorim's quality comparisons: 1 2) and (E)AC3 (free specifications), MP3, MP2, MP1, CELP (speech), TwinVQ (very low bitrates), SAOL (midi), ALS (lossless)
- MP4 subtitle/text format: MPEG-4 Timed Text (see question 7)

- MP4 picture formats: JPEG, PNG