2 movies on DVD?

[nickpick37]

Okay, since last year, I usualy convert my movies to MPG-1 spec and burn 3 or 4 movies on a single DVD using TMPGEnc DVD Author but the quality is not great... since blank DVD media are so cheap now, what I want to to is put 2 movies per DVD using MPG-2 full DVD specs..

I figure that by lowering the birate to do a MPG-2 file around 2167Mb,
leaving space for the authoring, and yes, I know that I can use the Birate Calculator...

My question is: what's the lowest birate I can use and not lose to much quality? is there a bottom line birate not to cross? because if the loss of quality is too great, I will stay with MPG-1 files for my common movies and with XDVD for my "must keep" video's...

Thanks all

NickPick

[yoda313]

Hello,

This might be a place to

https://www.videohelp.com/guides.php?guideid=646&howtoselect=6;57#646tart:

I've heard you can squeeze a lot onto a disc if you use 3500 as your video bitrate. I believe 2000 is the spec for svcd quality. I think you shouldn't go lower than that.

Kevin

[BJ_M]

you may want to try using 1/2 D1 at 900 min , 5500 max , 2820 as average

that will get you 3 hours , 20 minutes

[nickpick37]

Hey, thanks a lot yoda313...

Stupid of me, I was just checking the What is DVD? page and I just saw the bitrates for VCD and SVCD.... and since the "usual" bitrate for DVD is around ~5000kbps, I will try around 2000kbps and 3000kbps...

Since the bitrate for MPG-1 VCD is just 1150kbps, I think the quality is going to be okay or at least 200% better

Thanks again, I'v learn something today

NickPick

[nickpick37]

you may want to try using 1/2 D1 at 900 min , 5500 max , 2820 as average

that will get you 3 hours , 20 minutes

Yeah, I will have to play around depending of the size of my movies..

Thanks, time to start experimenting

NickPick

[junkmalle]

since the "usual" bitrate for DVD is around ~5000kbps, I will try around 2000kbps and 3000kbps...

Since the bitrate for MPG-1 VCD is just 1150kbps, I think the quality is going to be okay or at least 200% better

No! VCD is 352x240, DVD is usually 720x480. So DVD has four times as many bits to encode, requiring (as an oversimplification) four times the bit rate to get the same quality. Full D1 (720x480) MPEG 2 at 2000 kbps usually looks like crap. If you cut the video size down to half D1 (352x480) it will look a better and still be fully compatible with the DVD spec. And be sure to encode with a variable bitrate if you're going that low.

[nickpick37]

Ahhhhhhhh, its very good to know

So a half-D1 with a variable bitrate would look definitively better than a VCD MPG-1 mpg?

fewww, I learn a lot tonight

[junkmalle]

So a half-D1 with a variable bitrate would look definitively better than a VCD MPG-1 mpg?

As long as the bitrate isn't too low. 2000 kbps (even as the average bitrate in a variable bitrate file) is pretty low. Just try it and see what you think...

[BJ_M]

Ahhhhhhhh, its very good to know

So a half-D1 with a variable bitrate would look definitively better than a VCD MPG-1 mpg?

fewww, I learn a lot tonight

that is what i said already here https://www.videohelp.com/forum/viewtopic.php?p=1042853#1042853

[junkmalle]

Ahhhhhhhh, its very good to know

So a half-D1 with a variable bitrate would look definitively better than a VCD MPG-1 mpg?

fewww, I learn a lot tonight

that is what i said already here https://www.videohelp.com/forum/viewtopic.php?p=1042853#1042853

Yes, your 2820 kbps bitrate is more realistic.

[BSR]

I have done a bunch of 2 movies per DVD with a bitrate of around 2500kbps(depending on length) at 720x480. The results were really good.
But these movies were not action films with a lot of motion, they were chick flick type crap like Sweet Home Alabama. Now you know why I put 2 per DVD.
I used VBR with TMPGEnc of 200min, ~2500avg, 5500max.
I think you will be quite pleased with the results.