Burned an MPEG2, replicator says it's MPEG1 and unusable?

[First1]

Using Ulead DVD factory I checked the video properties of a DVD that was just burned and it clearly states that it's an MPEG2. When I sent the master off to be authored, the company doing the work says the format is MPEG1 and they can't use it.

Ulead Media Studio Pro 8 software was used for post production on a PC. I believe the authoring company is using Apple software. Could there be an incompatability between the two?

Mark



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[lordsmurf]

Even if it was MPEG-1, MPEG-1 is compliant to DVD. Who's doing this DVD? It doesn't sound like they know what they are doing. Either that, or we're missing some vital details.

[First1]

The company doing the authoring and replication is www.discmakers.com

Here is their screen shot which indicates the master I sent was an MPEG1. It doesn't make sense to me.

[gadgetguy]

Mpeg-1 is compliant, but only at 352x240, not the 720x480 as shown. What does G-spot or some other third party (read not Ulead) show the video as. I wouldn't completely trust the program that produced the output. I'm not saying Ulead is wrong, only that you should confirm it using something else.

The only other thing I see that may be confusing it is the audio being Mpeg Layer-2 which is not strictly NTSC compliant for primary audio, but it shouldn't really be a problem for the authoring company to handle.

[MysticE]

See what GSpot says.

http://www.headbands.com/gspot/