Chapter 8:
Menus: Noise Reduction
Vertical Bandwidth-C
Adjusts the degree of the digital vertical bandwidth filtering on the chrominance of
the signal. Digital bandwidth filtering is particularly useful when the output will be
fed to a downstream digital device such as an MPEG encoder.
This option is ignored if the Noise Reduction option is set to Disabled.
Valid Range: Min, 1 to 7, Max
Default Setting: Max
Related Setting: Horizontal Bandwidth, Vertical Bandwidth-Y
Temporal NR-Luma
Enables and controls the strength of the luminance temporal noise reduction.
Valid Range: Comb-3D, Min, 2 to 15, Max
Default Setting: Comb-3D
Related Setting: 3D Comb Decoder, Temporal NR-Chroma
When this option is set to Comb-3D, luminance temporal noise reduction is disabled,
allowing the use of the 3D comb filter decoder on luminance.
The other valid settings control the averaging effect of previous frames on the output;
i.e. how heavily the output is weighted towards past frames vs. the current frame
being processed.
When this option is set to Min, the output is based almost entirely on the current
frame being processed. When this option is set to Max, the output is based almost
entirely on information from past frames, creating an undesirable shadowing effect.
It is not possible to use both Temporal Noise Reduction and 3D combing on the same
channel simultaneously. (For example, if Temporal NR-Luma is enabled, 3D combing
of luminance is not possible, so the 3D comb decoder must be disabled or set to
Chroma.) This is not a problem; with a sufficient Temporal Noise Reduction setting,
there would be no benefit to using the 3D comb filter simultaneously.
Setting this option to any value other than Comb-3D automatically disables 3D
combing of luminance in the 3D Comb Decoder option.
This setting will be automatically disabled (set to Comb-3D) if the user enables 3D
combing on luminance (by setting 3D Comb Decoder to Luma or Both Y+C).
This option is ignored if the Noise Reduction option is set to Disabled.
Temporal NR-Chroma
Enables and controls the strength of the chrominance temporal noise reduction.
Valid Range: Comb-3D, Min, 2 to 15, Max
Default Setting: Comb-3D
Related Setting: 3D Comb Decoder, Temporal NR-Luma
When this option is set to Comb-3D, chrominance temporal noise reduction is
disabled, allowing the use of the 3D comb filter decoder on chrominance.
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