Re: [Avid-L2] Re: best dvd quality possible

Oliver, you make an important and under-appreciated point. Using CBR at your maximum acceptable rate is generally better quality than VBR with maximum set to your max rate. For DVD, the max rate is, roughly, 9Mbps with AC3 audio. VBR's only real advantage is file size. When file size is not critical, use CBR.

For the record, I am not at all happy with Compressor's MPEG2 from HD 29.97, progressive or interlaced. We accept it for screening copies, but not for deliverables. Squeeze does a better job, but when I last checked (v5) it altered contrast at defaults. I really don't like that.

For Main Profile, High Level, I use TMPEGenc (now Authoringworks). It does an excellent job.

Cheers,
tod


On Mar 6, 2013, at 10:07 AM, oliverpetersvidy wrote:

> I've had good luck with both Compressor, Squeeze, Adobe Media Encoder, BitVice and Episode. The key is what you start with. In an ideal world you will get the absolute best results if your master starts as 1080p/23.976 (or 25p in PAL).
>
> If you can start there, then encode a 16x9 Mpeg2 as a 1-pass CBR at about 6Mbps. Encode audio as Dolby AC3 (not analog) to allow enough headroom for the higher bit rate picture. This will give you a 16x9 24p DVD in DVD SP. The players will take care of adding pulldown.
>
> Note: VBR encodes tend to trash static graphics, especially at the transitions in and out.
>
> - Oliver
>
>



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