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Re: Quality of HVX / HPX in 24p vs HMC150 in 1080

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Jeff Regan
Re: Quality of HVX / HPX in 24p vs HMC150 in 1080
on Dec 28, 2009 at 10:47:55 pm

AVC CAM or AVCHD codecs can look pretty good at 24Mbps, they are full sample codecs in highest quality mode, however, that advantage is not as useful for a pixel shifted CCD camera like the 150. The other issue is 4:2:0 color space vs. 4:2:2 for DVCPRO HD and the HPX170, which is the exact same front end as the 150. If doing a lot of green screen, 4:2:2 can be advantageous.

The 170 has the advantage of the simplicity of editing with DVCPRO HD,
which isn't as processor intensive, variable frame rates for off-speed shots, Native frame rate modes so that a 32Gb card can record for over 80 minutes in 720/24PN. HD SDI is also useful for professional monitors, which the 150 lacks.

Jeff Regan
Shooting Star Video

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