Posted by Netmask on 10/24/05 00:18

It is possible - all you have to do is edit the .ifo files, these are the
files on the DVD disc that tell the player what standard, resolution,
letterbox, pan and scan etc. The program you need for a PC based system is
IFOEdit. Not sure if there is an equivalent for the MAC

<furles@mail.croydon.ac.uk> wrote in message
news:1130103902.217358.181910@g47g2000cwa.googlegroups.com...
>
> Netmask wrote:
>> I have made a compile of 2 mpeg files, one NTSC the other PAL - simply
>> using
>> NeroVisionExpress - add video file etc make chapters etc, and it plays
>> okay
>> on my multi region multi system DVD player (Zensonic) and I have a multi
>> system TV Nordmende (PAL - SECAM and NTSC)
>
> I've seen a mixed format video CD, but not a DVD. I don't think this
> is allowed in the standards; if this is the case then itmay not play in
> all machines. Whether this matters or not depends on whet you want to
> do with the disc. I've made NTSC DVDs of material downloaded from the
> Prelinger archive. In most cases these discs have MPEG layer 2 audio.
> Thisis not allowed on a NTSC disc, it is on a PAL one, each title on a
> NTSC disc must either be mute, or have at least one audio stream in
> either Dolby Digital or PCM format. I'm making the discs for my own
> use; they play on my equipment, so I'm not too bothered about whether
> they strictly conform to the standards. If I was making a disc to send
> to somebody else, and I didn't know what equipment it would be played
> on, then It would be safer to conform to the standards. The reason I
> do this? My cheap DVD creating software will only produce PCM or MPEG
> tracks, andsometimes there is not enough room to fit something on a
> disc with PCM. I hope to buy Apple DVD Studio soon, which can produce
> discs with Dolby Digital tracks.
>
> They are rare, but double sided DVD-Rs do exist; I've got some. A disc
> with NTSC on one side and PAL on the other is allowed, as each side
> counts as a separate disc.
>

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