CD and DVD, you might wish to use lower values depending on your own personal preferences and requirements.
* vbitrate: 1152 for VCD; up to 2500 for SVC... 8.3.4. Advanced Options ====
For higher quality encoding, you may also wish to add quality-enhancing options to lavcopts, such as trell, mbd=2, and others. Note that qpel and v4mv, while often useful with MPEG-4, are not usable with MPEG-1 or... if you are trying to make a very high quality DVD encode, it may be useful to add dc=10 to lavcopts. D
