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Re: XDCam/DVCProHD Bit rate

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Re: XDCam/DVCProHD Bit rate
by Nigel Cooper on Jul 27, 2007 at 10:00:02 am

Peter, you are being fed some wrong information here.

Why oh why do people insist that the DVCPRO100 codec is better than the MPEG2 codec; this is total rubish. For your information John, DVCPRO100 DOES NOT record at 100Mbps, it is closer to 48Mbps, read up and learn. Besides, XDCAM HDs35Mbps is more like 100Mbps due to the fact that the MPEG codec is sooooooooo much more efficient.

I think Sony know exactly what they are doing with codecs. The only reason Panny aren't using MPEG is because they can't get it to work as well as Sony can so they are sticking with their tried-and-tested method. But believe me, it is NOT better and anyone who says it is, is seriously miss-informed.

As for the 'distinction in imager size which advantages the Panasonic' absolute rubbish. The resolution is what you need to be looking at, Sony's 1440x1080 vs Panasonic's 960x540 (basically standard def chips with pixel-shift in 3 directions to force a fake HD image).

Panasonic admit this themselves, see here:

http://www.hpx500.eu/technical_advanced_progressive.php?lang=en

2/3rd lenses won't cost you any more really, Canon just brought out a new range that are only a tiny fraction more than half inch so no argument there either.

How is a 2/3rd lens better than a 1/2" lens exactly Pete? a 2/3rd lens on a half inch camera will be worse in quality than a 1/2" lens on a half inch camera. It is possible that a


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