Home Video Asylum

TVs, VCRs, DVD players, Home Theater systems and more.

false contouring

This is a direct result of not enough bits in signal processing. Early plasmas and, believe it or not, many of today's DLP displays use 8-bit processing (you may have heard of the DLP "clay face" issues). In order to diminish this effect, many digital display manufacturers upped the bit count to 10-bit processing. This helped quite a bit (if you'll excuse the pun), but it still isn't enough with some signals. There are a few 12-bit processing displays around and they nearly eliminate all of the dithering/noise/false contouring problems.

Beginning in Q4 2005/Q1 2006, Panasonic will introduce 14-bit video processing technology for their new plasmas. Panasonic currently offers three 65" plasma models, but they are 1366x768. Scheduled for Q4 2005/Q1 2006 is a new 65" model with full HD 1920x1080 resolution and it will use this new 14-bit processing technology. The only problem is that, like nearly all displays today, it will not accept 1080p via HDMI and will be limited to 1080i/720p HDMI input bandwidth. However, by Q3/Q4 2006, Panasonic will offer at least one model (possibly two) capable of full HD 1920x1080 resolution and 1080p HDMI input.


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