Table of Contents
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1.
OVERVIEW ............................................................................................................................1
1.1. FUNCTIONAL DESCRIPTION ................................................................................................... 2
2.
INSTALLATION .....................................................................................................................4
2.1. VIDEO IN AND OUT................................................................................................................... 4
2.2. AUDIO IN AND OUT .................................................................................................................. 5
3.
SPECIFICATIONS .................................................................................................................6
3.1. ANALOG VIDEO INPUT ............................................................................................................ 6
3.2. REFERENCE VIDEO INPUT...................................................................................................... 6
3.3. ANALOG MONITORING VIDEO OUTPUT ................................................................................ 6
3.4. SERIAL VIDEO OUTPUT........................................................................................................... 7
3.5. DECODER PERFORMANCE (SDI OUTPUTS ONLY) .............................................................. 7
3.6. ANALOG AUDIO INPUT (-A4 AND -A8 VERSIONS ONLY) .................................................... 7
3.7. AES AUDIO OUTPUTS.............................................................................................................. 8
3.8. ELECTRICAL ............................................................................................................................. 8
3.9. PHYSICAL.................................................................................................................................. 8
4.
STATUS LEDS.......................................................................................................................9
4.1. MODULE STATUS LEDS .......................................................................................................... 9
4.2. AUDIO STATUS LEDS ............................................................................................................ 10
4.3. AUDIO BREAK-OUT CABLE (7736CD2-A8 ONLY) ............................................................... 12
6.
AUDIO BUFFER MANAGEMENT (+S OPTION ONLY) ......................................................13
7.
AUDIO LEVELS, HEADROOM, AND CLIPPING (-A4 AND -A8).......................................14
7.1. INPUT AUDIO LEVEL CALIBRATION .................................................................................... 14
8.
ON SCREEN MENUS ..........................................................................................................16
TABLE OF CONTENTS
Revision 1.0.4
7700 MultiFrame Manual
7736CD2 Dual Composite Decoder
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Summary of Contents for evertz 7700
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Page 1: Table Of Contents
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder TABLE OF CONTENTS OVERVIEW ..........................1 1.1. FUNCTIONAL DESCRIPTION ....................2 INSTALLATION ........................4 2.1. VIDEO IN AND OUT........................4 2.2. AUDIO IN AND OUT ........................5 SPECIFICATIONS .........................6 3.1. ANALOG VIDEO INPUT ......................6 3.2. - Page 2 7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 8.1. NAVIGATING THE ON SCREEN MENU SYSTEM..............16 8.2. ON SCREEN DISPLAY – MAIN MENU ................... 16 8.3. ON SCREEN DISPLAY – CHANNEL X MENU................ 17 8.4. CONFIGURING THE VIDEO CONTROLS ................17 8.4.1.
- Page 3 Figure 1-1: 7736CD2, 7736CD2-A4, 7736CD2-A8 Block Diagram ..............3 Figure 2-1: 7736CD2 Rear Panels ........................4 Tables Table 4-1: Audio Channel Status LEDs (-A4 Version) ..................10 Table 4-2: Audio Channel Status LEDs (-A8 version)..................11 Table 4-3: AES Audio Breakout Cable (Evertz Part # WPAES8-BNCM-6F) ............12 Revision 1.0.4...
- Page 4 7700 MultiFrame Manual 7736CD2 Dual Composite Decoder REVISION HISTORY REVISION DESCRIPTION DATE Preliminary Nov 04 First pass complete. The drawings are missing. Dec 04 1.0.1 Block diagram and rear panels inserted Jan 05 Audio installation instructions added Oct 05 1.0.2...
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Page 5: Overview
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder OVERVIEW The 7736CD2 line of composite analog video to serial digital converters are dual broadcast quality video decoders. The 7736CD2-A4 and the 7736CD2-A8 versions offer four (two per decoded channel) or eight (four per decoded channel) high quality audio analog to digital converters. Faroudja 2D adaptive comb filtering technology has been chosen so as not to introduce moving artifacts from the decoding process. -
Page 6: Functional Description
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder The Features of "-A4" and “-A8” Options: • 4 balanced analog audio inputs (two stereo pair) on 2 removable barrier strips (7736CD2-A4) • 8 balanced analog audio inputs (four stereo pair) on removable terminal strips (7736CD2-A8) •... -
Page 7: Figure 1-1: 7736Cd2, 7736Cd2-A4, 7736Cd2-A8 Block Diagram
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder Figure 1-1: 7736CD2, 7736CD2-A4, 7736CD2-A8 Block Diagram Revision 1.0.4 Page - 3... -
Page 8: Installation
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder Installation The 7736CD2 modules come with a companion rear plate and occupy one or two slots in the 7700FR frame. Figure 2-1 shows a picture of each of the rear panels. For information on mounting the rear plate and inserting the module into the frame see section 3 of the 7700FR chapter. -
Page 9: Audio In And Out
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 2.2. AUDIO IN AND OUT The audio versions of the CDM (-A4 and –A8) have audio paths through the card that are delayed/synchronized with the video. The –A4 version performs A to D conversion on 4 balanced analog inputs (1 stereo pair per video channel), delays the audio to match the associated video, and outputs 1 AES channel that is synchronous to the associated video. -
Page 10: Specifications
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder SPECIFICATIONS 3.1. ANALOG VIDEO INPUT NTSC, SMPTE 170M Standard: PAL, ITU624-4 2 (one per video channel) Number of Inputs: BNC per IEC 61169-8 Annex A Connector: 1V nominal Signal Level: ±75ppm from nominal Frequency Lock Range: ±4dB... -
Page 11: Serial Video Output
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 3.4. SERIAL VIDEO OUTPUT SMPTE 259M-C – 525 or 625 line component. Standard: 4 (2 per channel) Number of Outputs: BNC per IEC 61169-8 Annex A Connector: 800mV nominal Signal Level: 0V ±0.5V... -
Page 12: Aes Audio Outputs
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 3.7. AES AUDIO OUTPUTS 2 for –A4 version (1 per video channel) Number of Outputs: 4 for –A8 version (2 per video channel) SMPTE 276M, single ended synchronous AES Output Standard: BNC per IEC 61169-8 Annex A for –A4 version Connectors: DB15 connector for –A8 version... -
Page 13: Status Leds
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder STATUS LEDs 4.1. MODULE STATUS LEDS VIDEO B GENLOCK MODULE PRESENT STATUS STATUS push button toggle switch 7736CD2 LOCAL VIDEO A FAULT PRESENT This Green LED will be on when the module is operating properly. -
Page 14: Audio Status Leds
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 4.2. AUDIO STATUS LEDS Four LEDs located on the lower end of the module (near the card extractor) indicate which audio channels are present. Audio channel 1 LED is located closest to the center of the module. Analog audio (on -A4 versions) presence is determined with a silence detector. -
Page 15: Table 4-2: Audio Channel Status Leds (-A8 Version)
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder Audio Colour Audio Channel Status No channel 1 present. Green Channel 1 present (above –60 dBFS). Red+Green Channel 1 level nears clipping (above –1 dBFS). No channel 2 present. Green Channel 2 present (above –60 dBFS). -
Page 16: Audio Break-Out Cable (7736Cd2-A8 Only)
AES output 4 – unbalanced AES B3 AES output 3 - unbalanced AES A4 Reserved for future use AES A3 Reserved for future use Ground Shell Table 4-3: AES Audio Breakout Cable (Evertz Part # WPAES8-BNCM-6F) Page - 12 Revision 1.0.4... -
Page 17: Audio Buffer Management (+S Option Only)
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder AUDIO BUFFER MANAGEMENT (+S OPTION ONLY) The audio is delayed, through a large memory buffer, by the same time value as experienced by the video through the video frame synchronizer. This is done to maintain a consistent video/audio relationship. -
Page 18: Audio Levels, Headroom, And Clipping (-A4 And -A8)
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder AUDIO LEVELS, HEADROOM, AND CLIPPING (-A4 and –A8) This section contains notes to understand how both the 7736CD2-A4 and 7736CD2-A8 relates analog audio levels, and digital audio levels. Before you can calibrate the audio analog to digital converter, you must know a couple of system issues specific to your application. - Page 19 7700 MultiFrame Manual 7736CD2 Dual Composite Decoder More information: With (the common North American) +24 dBu coarse range setting in place and 0 dB gain control, the conversion will transform +24 dBu analog input to 0 dBFS digital signal. Gain control will allow adjustment of this setting +/-10 dB in 0.5 dB increments (see section 8.5.5 for OSD control details).
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Page 20: On Screen Menus
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder ON SCREEN MENUS 8.1. NAVIGATING THE ON SCREEN MENU SYSTEM A toggle switch and pushbutton allows card edge navigation of a set of On-Screen menus used to configure the card. On-Screen menus are available only on the MONITOR output for the 7736CD2 series of cards to ensure that On-Screen menus are not accidentally put on-air. -
Page 21: On Screen Display - Channel X Menu
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder The OSD menu is arranged in a layered structure that groups similar configuration items together. Selecting one of these items will take you to the next menu level. The following sections provide detailed descriptions of each of the sub-menus. -
Page 22: Setting The Horizontal Phase Of The Output Video - Ntsc/525 Video
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 8.4.2. Setting the Horizontal Phase of the Output Video – NTSC/525 Video With this control, you can set the horizontal timing of the output video with Video respect to the Genlock reference input when operating in NTSC/525 video 525 H phase mode. -
Page 23: Monitoring The Audio Buffer Tracking
This indicator is mainly used at the Evertz factory and may also be useful to monitor in order to help in debugging system issues. -
Page 24: Configuring The Audio Controls (-A4 And -A8)
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 8.5. CONFIGURING THE AUDIO CONTROLS (-A4 and -A8) The Audio menu is used to configure parameters associated with the audio inputs and the audio multiplexing. The chart below shows the items available in the Audio menu. The following sections provide detailed information about each of the parameters. -
Page 25: Additional Audio Delay
This indicator is mainly used at the Evertz factory and may also be useful to monitor in order to help in debugging system issues. -
Page 26: Setting The Analog Levels
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 8.5.5. Setting the Analog Levels There are 2 menu items to adjust the levels of each of the analog audio inputs. For simplicity only the menu for channel 1 will be shown in the manual. -
Page 27: Configuring The Analog Video Processing Controls
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 8.6. CONFIGURING THE ANALOG VIDEO PROCESSING CONTROLS The Analog Video Processing menu is used to configure parameters associated with the composite decoder video processing. The chart below shows the items available in the Analog Video Processing menu. -
Page 28: Line 21 Processing
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 8.6.2. Line 21 Processing Closed captioning has been defined to NOT have a 7.5 IRE pedestal, Video but it is placed on the first active line of video where there may be a Analog Video Processing pedestal. -
Page 29: Hue
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 8.6.6. Hue The hue of the decoded signal can be adjusted with this control. You Video have greater than +/- 20 deg. range with this control. Analog Video Processing -64 to 64 8.6.7. TBC Mode... -
Page 30: Noise Reduction
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 8.6.10. Noise Reduction When turned on, a small amount (~ 0.7dB RMS) of wideband noise Video reduction is applied to the signal. The noise reduction gracefully turns Analog Video Processing on as the signal level amplitude lowers below about –25dB RMS. -
Page 31: Setting The Free-Running Frequency
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 8.7.3. Setting the Free-Running Frequency This control allows you to calibrate the free-running frequency of the on- Genlock board Voltage Controlled Crystal Oscillator (VCXO). This oscillator Free-run freq provides the time-base when either operating without a reference input... -
Page 32: Recall Configurations From The User Presets
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 8.8.2.2. Recall Configurations from the User Presets This control is used to initiate a recall of the current card configuration from Utilities one of the user presets Recall preset 1 Recall, After selecting the recall preset operation, you must change the command Cancel to Recall and press the pushbutton before the store will take place. -
Page 33: Jumpers
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder JUMPERS 9.1. TERMINATION JUMPERS The REF TERM jumper J22 located on the rear of the 7736CD2 board near the REF TERM: white multi-pin connectors selects the reference video termination impedance. Either 75Ω or a high-Z (27kΩ) termination impedance can be selected by placing the jumper in the "75"... -
Page 34: Setting The Coarse Analog Input Gain Range
7700 MultiFrame Manual 7736CD2 Dual Composite Decoder 9.4. SETTING THE COARSE ANALOG INPUT GAIN RANGE Eight Jumpers located near the rear of the A7735AI2 submodule are used to set a J13, J12, J6, J30: coarse gain level. When the jumpers are not installed (or installed so that only one side is connected), the input range is optimized for when peak audio levels up to 24dBu.
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