Colour correction

Carte de correction colorimétrique


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 COCO 3G

Specs

MECHANICAL

Standard Crystal Vision module 266mm x 100mm

Weight: 180g

Power consumption: 11 Watts; 0.6 Watts (FIP and FOP)

VIDEO INPUT

One 3Gb/s or HD or SD input with reclocking

When using FIP fibre input option allows selection between one optical and one electrical input

270Mb/s or 1.5Gb/s or 3Gb/s serial compliant to EBU 3267-E, SMPTE 259, SMPTE 292-1 and SMPTE 424/425-A

The 25 video formats supported are 625, 525, 720p23.98, 720p24, 720p25, 720p29.97, 720p30, 720p50, 720p59.94, 720p60, 1035i59.94, 1035i60, 1080PsF23.98, 1080PsF24, 1080i50, 1080i59.94, 1080i60, 1080p23.98, 1080p24, 1080p25, 1080p29.97, 1080p30, 1080p50, 1080p59.94 and 1080p60

3Gb/s cable equalisation up to 80m using Belden 1694A. HD/SD cable equalisation up to 140m with Belden 1694A or equivalent (approx. 100m with Belden 8281)

Input return loss: -15dB for 50MHz to 1.5GHz

Auto data rate and video format selection

VIDEO OUTPUTS

Using RM41 rear module: Five 3Gb/s or HD or SD outputs (two main, three auxiliary)

Using RM57 rear module with FIP fibre input option: Four 3Gb/s or HD or SD outputs (one main, three auxiliary). Select between one fibre and one electrical input

Using RM57 rear module with FOP fibre output option: Four 3Gb/s or HD or SD outputs (one main, three auxiliary), plus one copy of the auxiliary output on fibre

Using RM64 rear module: Three 3Gb/s or HD or SD outputs (two main, one auxiliary). Allows one-to-one RS422 wiring from the CoCo 3G Controller straight to the board meaning the same RJ45 cable can be used for any frame slot. The RM64 provides relay bypass protection to help maintain programme output. An electromechanical relay switch needs power to hold the switch in one state and will revert to the other state (board bypass) on loss of power. It prevents signal loss by mechanically connecting the input to main output 1 on complete frame power failure or board removal

Serial output: 270Mb/s or 1.5Gb/s or 3Gb/s serial compliant to EBU 3267-E, SMPTE 259, SMPTE 292-1 and SMPTE 424/425-A. Output follows the input format

INTEGRATED FIBRE OPTIONS

CoCo 3G can be given integrated fibre connectivity by fitting either the FIP fibre input option or FOP fibre output option. The chosen option should be fitted at the factory

To access the optical inputs or outputs an RM57 frame rear module must be used

When fitted with a FIP or FOP, CoCo 3G can be housed in any frame slot position but due to its extra height it is not possible to place most Standard Definition or audio boards directly above it when the CoCo 3G is in even numbered slot positions. 3Gb/s and HD boards do not share this restriction

FIP and FOP meet the SMPTE 297-2006 short-haul specification, allowing operation with single-mode and multi-mode fibre

Connector type: SC/PC

FIP:

Optical wavelength: 1260-1620nm

Input level maximum: -1dBm

Input level minimum: Typical -20dBm (-18dBm 3Gb/s pathological)

FOP:

Optical power: Max -0.0dBm, min -5.0dBm (typical -2.0dBm or 630uW)

Fibre pigtail: Single-mode 8/125uM

Optical wavelength: 1290-1330nm (1310 typical)

Extinction ratio: 7.5dB

Laser safety classification: Class 1 (EN 60825), Class I (21CFR1040.10)

DELAY THROUGH BOARD

<16us (SD)

3us (HD)

<2us (3Gb/s)

ANCILLARY DATA/EMBEDDED AUDIO

All data in the vertical and horizontal blanking interval is passed through unprocessed with full 20 bits. The unit will pass through embedded audio and any ancillary data with a delay that matches the default processing delay

COLOUR CORRECTIONS

Increase/decrease overall lift and gain

Increase/decrease Y channel lift and gain

Increase/decrease U channel lift and gain

Increase/decrease V channel lift and gain

Hue shift U/V channels

Black clean up (Y levels below a user-defined value are forced to black)

Increase/decrease R channel lift and gain

Increase/decrease G channel lift and gain

Increase/decrease B channel lift and gain

Increase/decrease overall gamma

Increase/decrease R gamma

Increase/decrease G gamma

Increase/decrease B gamma

LEGALISING

Set and soft limit Y channel positive and negative excursions independently

Set and soft limit U channel positive and negative excursions symmetrically

Set and soft limit V channel positive and negative excursions symmetrically

Set and limit R, G, B channel positive and negative excursions

Includes sophisticated processing to deal with transient errors

RGB gamut errors are corrected without changing the hue of the affected area

Set horizontal and vertical active picture area cropping region on final output (0 to full image width left and right and 0 to full image height top and bottom)

GAMUT ERROR HIGHLIGHTER

The auxiliary outputs can be used to highlight any pixels containing illegal signal values, making it easier to locate the problem and make any adjustments to equipment in the system

BYPASS MODE

Bypass mode allows all the processing and legalising functions to be turned off so the input is passed unchanged. The signal is put through a matching delay so that the board can be switched between bypass and processing while continuing to output valid video

PRESETS

The current board settings can be saved in one of 16 locations to be recalled as required

LED INDICATION OF:

Power supplies okay

Not cal (gains or levels not at their default values)

HD input

SD input

GPI 5 active

GPI 6 active

GPI INPUT LEVELS

Active pull to ground, pulled up to +5V through 10 kohm

GPI OUTPUT LEVELS

Electrically: Open collector transistors 30V, 270 ohm current limit resistors. Pulled up to +5V through 6800 ohm

GPI INPUTS

Four GPI inputs select one of 16 presets

Connections are also used for RS422 link to dedicated control panel

GPI OUTPUTS

Two GPI outputs

YUV clip status/RGB clip status

LOCAL CONTROL

Full control using intuitive board edge interface with two select buttons, shaft encoder and ten character alphanumeric display

REMOTE CONTROL

RS422/485

19200 baud, 8 bits, 1 stop no parity

CoCo 3G Controller 1U control panel operates up to 12 CoCo 3G modules

Control from integrated control panel on AE frames and remote panel

Statesman Lite allows control from any PC on a network

VisionWeb Control is available via the web server on the frame and allows operation using a standard web browser on a PC or tablet

SNMP monitoring and control available as a frame option