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Ensemble Designs Avenue 7925 Manual

Dual hd downconverter data pack
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Model 7925
Dual HD
Downconverter
Data Pack
E
N S E M B L E
D
E
S
I
G
N
S
Revision 1.1 SW v2.2.2
www.ensembledesigns.com
7925-1

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Summary of Contents for Ensemble Designs Avenue 7925

  • Page 1 Model 7925 Dual HD Downconverter Data Pack N S E M B L E Revision 1.1 SW v2.2.2 www.ensembledesigns.com 7925-1...

  • Page 2: Table Of Contents

    Model 7925 Dual HD Downconverter Contents MODULE OVERVIEW Audio Handling Control Metadata Automatic Aspect Ratio Conversion APPLICATIONS HD Downconversion INSTALLATION SD SDI or Composite Out BNC Configuration CABLING Module Configuration and Control Front Panel Controls and Indicators Avenue PC Remote Configuration 7925 Avenue PC Menus Avenue Touch Screen Remote Configuration 7925 Avenue Touch Screen Menus...

  • Page 3: Module Overview

    Model 7925 Dual HD Downconverter MODULE OVERVIEW The 7925 module is a two-channel, dual downconverter with HD and SD outputs that can be used in the most demanding broadcast applications. With two downconverters on one module, the 7925 provides high efficiency with excellent picture quality. The downconverted outputs are timeable with respect to the reference input and can feed production switchers and routers.
  • Page 4 Model 7925 Dual HD Downconverter Loopback HD/SD SDI Outputs Ancilliary Processing HD/SD SDI Embedded Audio Deserializer Reclock Input Closed Captioning Downconverted AFD/WSS Serializer SD Outputs HD to SD Downconversion • Scaling Analog Composite • Aspect Ratio Conversion Frame Sync Downconverter A •...
  • Page 5 Model 7925 Dual HD Downconverter www.ensembledesigns.com 7925-5...

  • Page 6: Applications

    Model 7925 Dual HD Downconverter APPLICATIONS HD Downconversion In this example the 7925 is down converting HD signals from two cameras. The 7925 here is configured to output an SD SDI signal and an analog composite signal for each camera. The outputs can be timed to house with respect to the reference.
  • Page 7 Model 7925 Dual HD Downconverter 3RU Backplane 7925 DDC SD Out 2B Connect SD output destinations to the SD Out 2A Connect SD output downconverted signal at BNCs SD Out 1B and destinations to the SD Out 1B SD Out 2B downconverted signal at BNCs SD Out 1A and SD Out 1A...

  • Page 8: Module Configuration And Control

    Model 7925 Dual HD Downconverter 1RU Backplane SDI Out 2A SDI Out 1A HD Out 2A HD Out 1A HD In A HD In B SDI Out 2B SDI Out 1B HD Out 2B HD Out 1B Module Configuration and Control The configuration parameters for each Avenue module must be selected after installation.

  • Page 9: Front Panel Controls And Indicators

    Model 7925 Dual HD Downconverter Front Panel Controls and Indicators The front edge indicators and switch settings are shown in the diagram below: Remote/Local switch: Vid A In green LED: 7925 ON indicates SDI input signal is Set to the mode you will be using. Dual Down present and valid.

  • Page 10: Avenue Pc Remote Configuration

    Model 7925 Dual HD Downconverter Avenue PC Remote Configuration The Avenue PC remote control menus for this module are illustrated and explained below. The Configuration Summary gives tips and general background information on setting the parameters. For more information on using Avenue PC, refer to the Avenue PC Control Application Software data pack.
  • Page 11 Model 7925 Dual HD Downconverter The Config A menu shown below allows you to configure the following: • Mode – Use this control to set the aspect ratio for the downconverted SD video output. Choose between Anamorphic, Letterbox 16:9, Letterbox 14:9, Letterbox 13:9, or Center Cut.
  • Page 12 Model 7925 Dual HD Downconverter The Prc Amp A menu shown below allows you to adjust the following video processing parameters for the signal: • Gain – Adjust the percentage of overall gain (luminance and chrominance). • Chroma – Adjust the percentage of chroma amplitude. •...
  • Page 13 Model 7925 Dual HD Downconverter Use the Timing A menu shown below to adjust the following parameters: • Fine Phase – Adjust for proper ScH phase with respect to other sources. If fine phase will not adjust properly, readjust the horizontal phase by up to ±2 clocks until the fine phase falls into place.
  • Page 14 Model 7925 Dual HD Downconverter The Input B menu shown below allows you to configure the following: • Input – Reports the HD input format detected by the module. • Reference – Reports the status of the reference input as either Ref Video In Lock or No Reference.
  • Page 15 Model 7925 Dual HD Downconverter The Config B menu shown below allows you to configure the following: • Mode – Use this control to set the aspect ratio for the downconverted SD video output. Choose between Anamorphic, Letterbox 16:9, Letterbox 14:9, Letterbox 13:9, or Center Cut.
  • Page 16 Model 7925 Dual HD Downconverter The Prc Amp B menu shown below allows you to adjust the following video processing parameters for the signal: • Gain – Adjust the percentage of overall gain (luminance and chrominance). • Chroma – Adjust the percentage of chroma amplitude. •...
  • Page 17 Model 7925 Dual HD Downconverter Use the Timing B menu shown below to adjust the following parameters: • Fine Phase – Adjust for proper ScH phase with respect to other sources. If fine phase will not adjust properly, readjust the horizontal phase by up to ±2 clocks until the fine phase falls into place.
  • Page 18 Model 7925 Dual HD Downconverter Use the Global menu shown below to adjust the following parameters: • Audio Dig Ref – Set the digital reference level for the audio output. Select between -20 or -18 dBFS. • Audio Anlg Ref –...
  • Page 19 Model 7925 Dual HD Downconverter The Memory menu shown below allows you to save overall module setups to five memory registers as follows: Save, then one of the five memory registers Reg 1 – 5. The box will turn green. •...

  • Page 20: Avenue Touch Screen Remote Configuration

    Model 7925 Dual HD Downconverter Avenue Touch Screen Remote Configuration The Avenue Touch Screen remote control menus for this module are illustrated and explained below. The Configuration Summary gives tips and general background information on setting the parameters. For more information on using Avenue PC, refer to the Avenue PC Control Application Software data pack.
  • Page 21 Model 7925 Dual HD Downconverter The Config A menu shown below allows you to configure the following: • Mode – Use this control to set the aspect ratio for the downconverted SD video output. Choose between Anamorphic, Letterbox 16:9, Letterbox 14:9, Letterbox 13:9, or Center Cut.
  • Page 22 Model 7925 Dual HD Downconverter The Prc Amp A menu shown below allows you to adjust the following video processing parameters for the signal: • Gain – Adjust the percentage of overall gain (luminance and chrominance). • Chroma – Adjust the percentage of chroma amplitude. •...
  • Page 23 Model 7925 Dual HD Downconverter Use the Timing A menu shown below to adjust the following parameters: • Fine Phase – Adjust for proper ScH phase with respect to other sources. If fine phase will not adjust properly, readjust the horizontal phase by up to ±2 clocks until the fine phase falls into place.
  • Page 24 Model 7925 Dual HD Downconverter The Input B menu shown below allows you to configure the following: • Input – Reports the HD input format detected by the module. • Reference – Reports the status of the reference input as either Ref Video In Lock or No Reference.
  • Page 25 Model 7925 Dual HD Downconverter The Config B menu shown below allows you to configure the following: • Mode – Use this control to set the aspect ratio for the downconverted SD video output. Choose between Anamorphic, Letterbox 16:9, Letterbox 14:9, Letterbox 13:9, or Center Cut.
  • Page 26 Model 7925 Dual HD Downconverter The Prc Amp B menu shown below allows you to adjust the following video processing parameters for the signal: • Gain – Adjust the percentage of overall gain (luminance and chrominance). • Chroma – Adjust the percentage of chroma amplitude. •...
  • Page 27 Model 7925 Dual HD Downconverter Use the Timing B menu shown below to adjust the following parameters: • Fine Phase – Adjust for proper ScH phase with respect to other sources. If fine phase will not adjust properly, readjust the horizontal phase by up to ±2 clocks until the fine phase falls into place.
  • Page 28 Model 7925 Dual HD Downconverter Use the Global menu shown below to adjust the following parameters: • Audio Dig Ref – Set the digital reference level for the audio output. Select between -20 or -18 dBFS. • Audio Anlg Ref – Set the analog audio reference level for the audio output. Select between +4, 0, -4, -6, or -10 dB.
  • Page 29 Model 7925 Dual HD Downconverter The Memory menu shown below allows you to save overall module setups to five memory registers as follows: Save, then one of the five memory registers Reg 1 – 5. The box will turn green. •...

  • Page 30: Troubleshooting

    Model 7925 Dual HD Downconverter TROUBLESHOOTING As a troubleshooting aid, the signal presence, power and CPU status can be easily monitored from the front panel of this module using the indicators explained in the Front Panel Switches and Indicators section. The following status items can be monitored using the Avenue Touch Screen Control Panel, Express Panel, or PC Application: •...

  • Page 31: Warranty And Factory Service

    This Module is covered by a five year limited warranty, as stated in the main Preface of this manual. If you require service (under warranty or not), please contact Ensemble Designs and ask for customer service before you return the unit. This will allow the service technician to provide any other suggestions for identifying the problem and recommend possible solutions.

  • Page 32: Specifications

    Model 7925 Dual HD Downconverter SPECIFICATIONS Serial Digital Input Number Two (one per channel) Signal Type HD Serial Digital 1.485 Gb/s SMPTE 274M, 292M or 296M Impedance 75 Ohm, BNC Return Loss >15 dB Max Cable Length 100 meter Belden 1694A Standards Supported 1080i (SMPTE 274M -4,5,6) 50, 59.94 or 60 Hz 720p (SMPTE 296M -1,2,3) 50, 59.94 or 60 Hz...
  • Page 33 Model 7925 Dual HD Downconverter SD Serial Digital Output Number Four max Jumper selectable, BNCs shared with composite outputs Each channel has two SD outputs, selectable as two SD SDI, or two composite, or one SD SDI and one composite Signal Type SD Serial Digital 270 Mb/s SMPTE 259M...
  • Page 34 Model 7925 Dual HD Downconverter Analog Audio Output Number Two (selectable from sixteen) Signal Type Balanced, transformerless Impedance 30 Ohms Maximum Output Level 24 dBu Resolution 24 bits, 128x Oversampled Reference Level -10 dBu to +4 dBu Frequency Response ±0.1 dB, 20 Hz to 20 kHz Crosstalk <102 dB Dynamic Range...

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