What is MMC 7.5 REALLY doing?

[menace]

Okay, I have had great success capturing directly to MPEG-1 using ATI's MMC 7.5, thanks to stinky and the crew. My question to the forum is if anyone knows what factors MMC is incorporating as it captures MPEG-1 in realtime? Is it de-interlacing, multiplexing etc. Is there any way to tweak its capture settings other than the obvious bitrate setting -- namely audio? Just curious--there is always someone somewhere who knows more than you about something--it just happens that there are a lot of those someones here :P

[Stinky]

The thing here is where we could all help each other - I've been concentrating on getting MPEG-2 captures and settings right but you could do some trial and error on the mpeg-1 captures.

get a good MPEG Info program (that tells you bitrate/header info/interlacing and so on) and make multiple captures and see what the difference is.

As with SVCD MMC 7.5 is capable of making 3 or 4 very different 352x240 (using NTSC as an example) VCD standard captures. These captures are realized but changing the RtInterval and 'horizontal scaling' and 'vertical scaling' ... if you want to start the ball rolling I can create the custom VCD standards and put them in the kit for you. Then you can test them 'as is' and then turn interlacing off and back on.... test them and post some results. It would be very interesting to see what the most efficient capture profile really is and which one produces the best picture.

I don't have tests like this for my custom SVCD settings but I have been getting great feedback form people who are using them!

MMC 7.5 with the help of my tool can turn out some really great captures - but so far no one has had the time (or want) to do back to back tests of different configurations :-)

as for audio you can not go over 44k without MMC deleting the entire profile