Cambridge Audio one plus User Manual download pdf (Page 26)

10. HDMI Options

To congure video options that apply only to the HDMI outputs. To enter

this sub-menu, select "HDMI Options" from the Video Setup menu.

To exit this sub-menu, press the

button or the  key. Options are

present for HDMI1 (using the Marvell QDEO scaler) and HDMI2 (using the

scaler built into the Mediatek chipset).

The following HDMI options are available:

Colour Space (HDMI 1) – Used select the colour space for the HDMI 1

output.

The Marvell QDEO scaler can perform various conversions for this output.

The available options are:

Auto (Recommended) – The player checks with the display device to

automatically determine what colour spaces it can support and uses

those. Usually avoids extra colour space conversion.

RGB Video Level – Forces the HDMI output to use RGB colour space

and normal signal range suitable for TV type displays.

RGB PC Level – Forces the HDMI output to use RGB colour space and

expands the signal range that to suitable for personal computer (PC)

type displays.

Mostly used for TVs with DVI inputs designed to be also used as PC

monitors, these can expect signal in expanded RGB range when the DVI

input is selected. For these displays if the video signal uses the normal

RGB range, the black-white contrast will be reduced. You can set the

player to use the RGB PC Level output and restore proper contrast.

YCbCr 4:4:4 – The HDMI output is forced to use the YCbCr 4:4:4 colour

space.

YCbCr 4:2:2 – The HDMI output is forced to use YCbCr 4:2:2 colour

space. Generally this is the colour space that is closest to the colour

space encoded on the discs. (Discs are generally encoded in YCbCr

4:2:0 colour space, and the video decoder decodes it into YCbCr 4:2:2.)

Colour Space (HDMI 2) – To select the colour space for the HDMI 2

output. The Mediatek decoders own in-built scaler is used for this output.

The available options are the same as those for HDMI 1.

HDMI Deep Colour (HDMI 1) – To select Deep Colour modes for the

HDMI 1 output. Deep Colour is an OPTION for some TVs or projectors

that feature HDMI v1.3 or higher input.

Normally, each pixel of the video image is transmitted using 24-bit data

(8-bit per channel for R, G, B or Y, Cb, Cr). If Deep Colour is supported

on your TV each pixel of the video image can be transmitted using 30-bit

(10-bit per channel) or 36-bit (12-bit per channel) data. The increased bit

depth should result in smoother colour transitions and better gradients

for better picture quality.

For BD discs with native deep colour on them the extra information will

be passed to the TV. For up-scaled content such as DVDs the deep colour

output will be interpolated but can still result in a smoother picture. The

dithering/limiting options allow discs with deep colour content to be sent

to TVs with limited deep colour support.

Dithering is a way to softly limit any extra colour information in the source

material that the display cannot handle by adding ‘noise’ to prevent an

abrupt step in the levels.

The available options are:

36 Bits – Always use the maximum 36-bit per pixel Deep Colour mode

for the output.

30 Bits (Dithered) – Use the 30-bit per pixel Deep Colour mode with

dithering of any over 30 bit content.

30 Bits – Use the 30-bit per pixel Deep Colour mode and hard limit

output at 8 bits per colour.

Off (Dithered) – Do not use Deep Colour, dithering any over 24 bit

content.

Off (default) – Do not use Deep Colour, hard limit output at 8 bits per

colour.

Setup menu continued

6. TV System

To choose the output video standard (PAL/NTSC) to match your TV. The

options are:

PAL – When playing PAL-encoded discs, no system conversion is

performed. NTSC-encoded contents are converted to PAL output. Blu-ray

discs encoded with 24Hz frame rate are converted to 50Hz frame rate if

neither 1080p24 Output nor Source Direct output resolution is enabled.

NTSC– When playing NTSC-encoded discs, no system conversion is

performed. PAL encoded contents are converted to NTSC output. Blu-ray

discs encoded with 24Hz frame rate are converted to 60Hz frame rate if

neither 1080p24 Output nor Source Direct output resolution is enabled.

Multi-system – No system conversion is performed. The output video

system is the same as that encoded on the disc. Blu-ray discs encoded

with 24Hz frame rate are converted to 60Hz frame rate if neither

1080p24 Output nor Source Direct output resolution is enabled. This

mode requires a TV that supports both NTSC and PAL systems.

Note: Do not select

"Multi-system" if your TV does not support both PAL

and NTSC systems. The TV display may become a black screen upon

inserting a disc encoded in a different system than your TV supports.

Should this happen, you can press the OPEN button to eject the disc tray,

and then use the Setup Menu to correct the

"TV System" setting.

7. Output Resolution

To choose the output resolution that best matches your television’s

native resolution. For a detailed description on how to choose a proper

output resolution, please refer to "”Output resolution” on page 18 of

the manual.

8. 1080p24 Output

This option only applies to the HDMI output at 1080p resolution. Many

Blu-ray discs that originated from theatrical movies are encoded using

24Hz frame rate, the same number of frames per second as the original

theatrical lm. If your TV properly supports 1080p 24Hz, smoother

motion can be achieved by enabling 1080p24 output for such discs.

The available options are:

Auto (default)– Video encoded in 24Hz frame rate will be output as

1080p 24Hz if the TV informs the player that it can support the 1080p24

signal.

On – Video encoded in 24Hz frame rate will be output as 1080p 24Hz

without regard to whether the TV can support the 1080p24 signal or

not. This is useful if the TV can actually support 1080p24 but does not

properly state its capability. Please note that if the TV cannot support

1080p24, selecting this option will result in no video.

Off – Video encoded in 24Hz frame rate will be converted to 50Hz (PAL)

or 60Hz (NTSC)

9. DVD 24p Conversion

Allows you to enable 24Hz frame rate conversion for DVD. This option

is only available when 1080p24 Output is enabled (set to Auto or On).

Many DVDs that originate from theatrical movies are encoded with a

technique called "3:2 telecine" in order to convert the 24 frames per

second lm to 60Hz video signal. The player can convert the 60Hz video

signal back to 24 frames per second lm and output as 1080P/24Hz.

Smoother motion may be achieved by enabling this option, if both the TV

and the DVD disc meet the conversion conditions.

The available options are:

On – Converts DVD to 24Hz frame rate when possible. Remember

that motion errors may be observed if the DVD is not suitable for such

conversion.

Off (default) – Does not convert DVD to 24Hz frame rate.

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Cambridge Audio one plus User Manual Page 26

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