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m2v PAL-NTSC conversion

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Pavel Dibrov
m2v PAL-NTSC conversion
on Jun 2, 2005 at 1:19:45 pm

Hi, everyone!

I feel quite frustrated, but after reading virtually everything about the subject, i feel that it became even more unclear :)))
The case is: i have a set of 20 DVD, that were made by myself couple of years ago. The original video was Betacam (Pal). Authoring was quite simple, even without menus. Now the client for his own reasons wanted to give them "a better look". So I demuxed the VOBs, reauthored them without recompression in Encore 1.5 During last years the original tapes were destroyed by humidity, or something else, so the only thing we have are my m2v+mpa files. Now he wants to sell his production also in NTSC countries and wants me to reauthor DVD in NTSC format.
Here is what i did:
1. Converted m2v PAL to m2v NTSC using Canopus ProCoder 2.0
2. Made all the menus in Photoshop using 720*480
3. Authored the disc in Encore 1.5 using NTSC preset

The problem is, that i live in PAL country and have no means to see it on NTSC set top DVD player and NTSC TV set. When i play it on my DVD it plays well, the quality of video is better than one would suppose :), but the video is not stretched and looks like normal 4:3.
So, my question is - am i doing things right? Do i miss some point? Is DVD made like that is a real NTSC DVD?

I know that those questions might sound silly, but i really need clear answers.

Thanks a lot!!!


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Borjis
Re: m2v PAL-NTSC conversion
on Jun 2, 2005 at 4:40:40 pm



is it 4:3 material?

If it looks right, then your all good to go.

Procoder2 is the BEST and only way to convert
PAL DVD to NTSC IMO. It doesn't get any better
unless you re-encoded source tapes to NTSC.

You did good! :)


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Dave Friend
Re: m2v PAL-NTSC conversion
on Jun 2, 2005 at 7:56:31 pm

Pavel,

Was the original 3:4 or 16:9?

Dave


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Pavel Dibrov
Re: m2v PAL-NTSC conversion
on Jun 3, 2005 at 7:08:51 am

It was 4:3 material. When i play back the transcoded file in software it looks like 720*480. The original m2v file looks 4:3


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Borjis
Re: m2v PAL-NTSC conversion
on Jun 3, 2005 at 4:05:27 pm



thats not a problem right?

since only dvd software or settop playback will
display at correctly at 640x480.


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Pavel Dibrov
Re: m2v PAL-NTSC conversion
on Jun 3, 2005 at 6:14:24 pm

My problem is to be shure, that it will display correctly on set top NTSC DVD player and NTSC TV set. And i have no way to check this...


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Malcolm D
Re: m2v PAL-NTSC conversion
on Jun 5, 2005 at 6:58:36 pm

Hello
I live in a PAL country and regularly make NTSC DVDs but I convert the video before capturing in NTSC. All PAL DVD players are multi-standard and play NTSC but there are traps. Did you convert the audio to Dolby? If not it will play on your player but in the USA will have no sound on virtually all players. I make all menus 768x576 (4:3) for both PAL and NTSC. You can get away with 720x576 for PAL (screen grab) but 720x480 is a long way off 4:3 and you may have a squashed menu with black bars at top and bottom depending on authoring package. I use DVD Workshop. 640x480 would probably be OK also but I have not tried it.
To test you should be able to go into the player setup and set for playback on NTSC TV. When played on most modern PAL TVs the TV should switch to NTSC automatically. You will have to check the audio by looking for the Dolby logo lighting up or on a PC with software player and check Information. 720x480 does play back 4:3 in an NTSC player even though the numbers don't appear to have that ratio. Even PAL 720x576 is not quite 4:3 until played in a player.


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Pavel Dibrov
Re: m2v PAL-NTSC conversion
on Jun 6, 2005 at 5:40:48 pm

Thank you, Malkolm!

I do convert all audio to AC3 in Encore DVD. Among other benefits is space saving :) I wish i could convert the video before capturing, but... m2v is all i have. The last question is: i've noticed, that NTSC file of the same duration, with the same bitrate is larger than the PAL one. The frame rate is the reason for this?


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Dave Friend
Re: m2v PAL-NTSC conversion
on Jun 7, 2005 at 7:37:35 pm

[Pavel Dibrov] "The frame rate is the reason for this?"

Yes it is. More frames therefore a bigger file.


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