MPEG encoding guide - what is going on ! Come on SF

bearded wrote on 5/7/2002, 5:09 AM

SF,

You guys have been writing this for ages. Any idea when it will be ready ?
It sort of undermines your credibility when it seems to take this long.

Thanks

Comments

Ron Lucas wrote on 5/7/2002, 9:46 AM

Does anyone know how I can render an MPEG1 file from VV30a but have different data rates than the 1.4MB, 1.5MB or 1.51MB? I'd like to experiment with lower rates but VV30a always makes the smallest value 1.4MB. Am I doing something wrong? I need CBR to ensure file size limits for burning to CD later.

Thanks,
Ron

SonyEPM wrote on 5/7/2002, 10:25 AM

ron: If you don't care about it being a valid VCD, choose "MPEG-1" from the "Video type" dropdown list.

Ron Lucas wrote on 5/7/2002, 10:32 AM

Thanks, I'll give that a try.

bearded wrote on 5/7/2002, 10:41 AM

Ron,

Thanks for highjacking my question :-)

Sonic EPM, How is the MPEG encoding guide comming on ?

bearded

SonyEPM wrote on 5/7/2002, 11:43 AM

The MPEG-2 encoding guide is almost ready- really! We apologize for the long wait but it has taken quite a bit of research and review to make sure all the info is accurate. The primary focus of the document is MPEG-2 for DVD but SVCD creators will get some value out of it also.

The guide will be over 30 pages of fairly detailed info, covering basic MPEG-2 q&a; an explanation, suggested settings, and reason for changing (or not changing), every control for PAL/NTSC SVCD, and PAL/NTSC DVD; plus useful links and further reading. When it is posted on our site, this forum will be instantly notified.

kkolbo wrote on 5/7/2002, 1:31 PM

You never do it half-way do you? :)

Ron Lucas wrote on 5/8/2002, 10:48 AM

SonicEPM.

I select "MPEG-1" from the "Video type" dropdown list as you suggested, and was able to create an MPEG1 file with different data rates. However, I'm confused as to why my file size doesn't change when I change my data rate. It doesn't matter if I make the data rate 64K, 256K, or 512K, the file size is always the same. If I use the program TMPGEnc to encode an MPEG1 file and make changes to the data rate, I do get different file sizes as would be expected.

Can you explain what might be causing VV30a to make my MPEG1 files the same size when I change the data rate?

Thanks,
Ron

Ron Lucas wrote on 5/8/2002, 10:50 AM

I forgot to mention that I know the rendered MPEG1 files that have the same file size and different data rates do in fact have different data rates because the quality changes based on the data rates I chose when I view the videos.

Thanks,
Ron