Ensemble Designs BrightEye 56 User Manual
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Ensemble Designs BrightEye 56 User Manual

Hd/sd/analog test signal and sync pulse generator
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BrightEye 56
HD/SD/Analog Test Signal and
Sync Pulse Generator
User Guide
Revision 1.3 SW v1.2.1

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Summary of Contents for Ensemble Designs BrightEye 56

  • Page 1 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Revision 1.3 SW v1.2.1...
  • Page 2 Focused On What You Need As the company has grown, more former TV station We’re focused on engineers have joined Ensemble Designs and this wealth processing gear– of practical experience fuels the company’s innovation. 3G/HD/SD/ASI video, audio and optical units.

  • Page 3: Table Of Contents

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Contents Product Overview Sync Generator and Test Signal Generator Outputs Adjustments and Controls Tri Level Sync Tone Generator Locked to Master Clock or External Reference Configurable Tone Generator Internal Timecode Generator...
  • Page 4 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide SDI Out SD Composite Out Ref In (Reference In) Programmable Outputs Module Configuration and Control Front Panel Controls and Indicators Status Indicators Adjusting Parameters from the Front Panel Using the BrightEye Control Application...

  • Page 5: Product Overview

    Sync Generator and Test Signal Generator The BrightEye 56 is a genlockable sync generator and test signal generator that can be used as either a slave or master reference generator. It can lock to house reference or it can lock to its own internal precision standard.

  • Page 6: Tone Generator Locked To Master Clock Or External Reference

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide The BrightEye 56 will apply the selected TLS frame rates to specific formats and line rates as shown in the table below. Frame Rate 23.98/50/59.94 Hz 24/30/60 Hz Line Rate...

  • Page 7: Functional Description

    Functional Description External House Reference or Internal Precision Standard Reference The BrightEye 56 can lock to an external house reference or it can lock to its own internal precision standard reference. The Ref In BNC on the rear of the unit will accept 1 V P-P PAL, NTSC, 10 MHz or Tri Level Sync as a reference.

  • Page 8: Block Diagram

    Generator 6 Hz Pulse Output Wordclock Aux 2 Select Audio Clock Generator Audio Aux 3 Encoders Generators Tones and Silence AES Encode AES 1/2 Analog Audio Stereo Outputs BrightEye 56 Functional Block Diagram, Portrait View www.ensembledesigns.com BrightEye 56 Page 8...
  • Page 9 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide www.ensembledesigns.com BrightEye 56 Page 9...

  • Page 10: Time Code Generator

    Outputting Timecode The BrightEye 56 has one timecode generator. The timecode that it produces can be output through a number of methods: 1. Routing LTC (linear timecode) to one of the Programmable Output BNCs (Aux 1, Aux 2, Aux 3). This is an analog, unbalanced, single-ended 1V P-P signal at 75 Ohm impedance.

  • Page 11: Table: Timecode Output Types And Output Connectors

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Table: Timecode Output Types and Output Connectors Timecode Output Type Output Connectors LTC (Linear or Longitudinal Aux 1, Aux 2, Aux 3 Timecode) single-ended Note: An LTC signal is a very...

  • Page 12: Table: Sdi Output Selections And Corresponding Timecode

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Table: SDI Output Selections and Corresponding Timecode SDI Output TC Frame Rate VITC on SD Output Drop 720p/59.94 The current SMPTE spec (SMPTE-12M) does not allow > 30Hz framerate 1080i/59.94...

  • Page 13: Audio Generation And Routing

    Audio Generators The diagram shown on the following two pages depicts the audio signal generation and routing for the BrightEye 56. It appears twice, first in a portrait view, then larger as a landscape view. Audio can be output as follows: •...

  • Page 14: Hd/Sd/Analog Test Signal And Sync Pulse Generator User Guide Brighteye

    Stereo typical of 16 places 4 Places To Analog Output Port Right/Ch 2 Input WorkClock Aligned Shaped LTC from Timecode Generator DGSW 21 May 2009 BrightEye 56 Audio Generation and Routing Functional Diagram, Portrait View www.ensembledesigns.com BrightEye 56 Page 14...
  • Page 15 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide www.ensembledesigns.com BrightEye 56 Page 15...

  • Page 16: Applications

    HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Applications BrightEye 56’s complete feature set makes it a versatile genlock sync and test signal generator. Its small size also makes it an excellent choice for use in mobile applications. Two examples of BrightEye 56 applications are given below.

  • Page 17: Genlocked Test Signals

    As shown in the example below, a BrightEye 56 is fed with the house reference to the Ref In BNC. The audio tone can be embedded into the SDI timed test signal output and fed to an HD or SD SDI router and switcher.

  • Page 18: Rear Connectors

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Rear Connectors All connections to the BrightEye 56 are made on the rear of the unit. Refer to the illustration below. HD / SD SDI Outputs available with either...

  • Page 19: Balanced Analog Audio Connection

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Balanced Analog Audio Connection To connect the audio output to an audio XLR connector, connect the pins as follows: • Attach Ground from Pin 1 of the Audio Out to Pin 1 of the XLR.

  • Page 20: Ref In (Reference In)

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Ref In (Reference In) The Ref In BNC accepts 1 V P-P PAL, NTSC, 10 MHz or Tri Level Sync reference input to provide an overall genlock timing reference for the unit.

  • Page 21: Module Configuration And Control

    HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Module Configuration and Control Control and operation of the BrightEye 56 is performed from the front panel and with the BrightEye Control application (version 2.1.2 or later). Some control settings and parameter choices are available only with BrightEye PC or Mac;...

  • Page 22: Adjusting Parameters From The Front Panel

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide HD Format The currently selected HD Format (1080i, 720p, 1080p, or 1080sF) is illuminated green. The Tri Level Sync (TLS) frame rate is determined by the selections made in the Standard, Mode and HD Format fields in the Format menu of the BrightEye Control application.

  • Page 23: Using The Brighteye Control Application

    The BrightEye PC and BrightEye Mac applications (version 2.1.2 or later) included on CD-ROM are designed to allow you to configure and control the BrightEye 56 from a personal computer. Instructions for installing and using this software application are given in the PDF manual on the CD- ROM.

  • Page 24: Pattern Menu

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Pattern Menu To select the video test pattern, select the Pattern menu shown below. Use the drop-down menus to set the parameters for the Pattern Sel, Preset 1, Preset 2, and Preset 3 fields. Determine the Slate ID parameters.
  • Page 25 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide • Video ID Mode – select one of three modes: Slate Only, Cyclops Only, or Slate Cyclops. Slate Only means that only the Slate Text ID will display over the selected video test pattern. Cyclops Only means that Cyclops will display over the selected video test pattern.

  • Page 26: Sdi Out Menu

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide SDI Out Menu From the SDI Out menu, you can select a value for the SDI video outputs (SDI Out 1 and SDI Out 2). Vertical and Horizontal Timing adjustments are provided for timing the outputs with respect to the reference input.

  • Page 27: Cpst Out Menu

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Cpst Out Menu From the Cpst Out menu, you can select a value for the Cpst video outputs (Composite Out 1 and Composite Out 2). You can time the outputs with respect to the reference input by adjusting the Vertical Timing, Horizontal Timing and Fine Phase adjustments.

  • Page 28: Tls Menu

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide TLS Menu From the TLS menu, you can adjust the Vertical and Horizontal Timing of the Tri Level Sync with respect to the reference input. • TLS Format – Mirrors the TLS Format field in the Format menu. Reports the TLS format that has been selected from the Format menu described earlier.

  • Page 29: Audio Menu

    HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Audio Menu The BrightEye 56’s tone generator supports sixteen audio channels. The content of each channel is independently programmable. Choices include adjustable frequency tone generators, tone sweeps, silence and timecode. All sixteen of these channels can be embedded in the SDI outputs. Each AES output can select from any of the eight pairs that make up these sixteen channels.
  • Page 30 Embedding – Turn embedding on or off. When checked, embedding is on and the green Audio light is illuminated on the BrightEye 56 front panel. When not checked, embedding is off and the green Audio light on the front panel is not illuminated.

  • Page 31: Timecode Menu

    VITC present on the reference input. This timecode value will be used continuously by the BrightEye 56’s internal generator. When this option is selected, the timecode presented on the many different outputs will all match the timecode on the reference input.

  • Page 32: Aux Out Menu

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Aux Out Menu The Aux Out menu shown below allows you to set the output standards for the Programmable Output BNCs Aux 1, Aux 2 and Aux 3. The available selections are identical for all three controls. Choose from the following values:...

  • Page 33: Config Menu

    HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Config Menu The BrightEye 56 can lock to an external house reference or it can lock to its own internal precision standard reference. From the Config Menu, you can select the overall genlock timing reference, enable or disable Composite Setup, and select levels for Digital and Analog Audio Reference Levels.

  • Page 34: Troubleshooting

    Check the configuration of Ref Mode in the Config Menu. Make sure that the appropriate • setting (Internal or Genlock) is selected for the expected signal output. You may also refer to the technical support section of the Ensemble Designs web site for the latest information on your equipment at the URL below: http://www.ensembledesigns.com/support www.ensembledesigns.com...

  • Page 35: Software Updating

    This unit is covered by a five-year limited warranty. 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 an opportunity to provide any other suggestions for identifying the problem and to recommend possible solutions.

  • Page 36: Specifications

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Specifications Reference Input Number Signal Type 1V P-P PAL, NTSC, 10 MHz or Tri-Level Sync Return Loss >40 dB to 5.5 MHz Composite Output Number Signal Type NTSC / PAL Impedance 75 Ω...
  • Page 37 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Tri Level Sync Output Number Two, 75 Ω Output DC ±50 mV Return Loss >30 dB to 30 MHz 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 38: Glossary

    BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Glossary AES/EBU The digital audio standard defined as a joint effort of the Audio Engineering Society and the European Broadcast Union. AES/EBU or AES3 describes a serial bitstream that carries two audio channels, thus an AES stream is a stereo pair.
  • Page 39 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide additional bit of resolution will double the number of different states that can be represented. Systems that operate with a greater number of bits of resolution, or quantization, will be able to capture a signal with more detail or fidelity.
  • Page 40 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide the signal apart again at the destination in order to display it or process it. The resultant artifacts of dot crawl (also referred to as chroma crawl) are only the most obvious result. Composite television is the most commonly used format throughout the world, either as PAL or NTSC.
  • Page 41 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide of the television waveform. This technique can be very cost effective in transmission and routing, but can also add complexity to signal handling issues because the audio content can no longer be treated independently of the video.
  • Page 42 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide The International Electrotechnical Commission provides a wide range of worldwide standards. They have provided standardization of the AC power connection to products by means of an IEC line cord.
  • Page 43 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide MPEG The Moving Picture Experts Group is an industry group that develops standards for the compression of moving pictures for television. Their work is an on-going effort. The understanding of image processing and information theory is constantly expanding.
  • Page 44 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Oversampling A technique to perform digital sampling at a multiple of the required sample rate. This has the advantage of raising the Nyquist Rate (the maximum frequency which can be reproduced by a given sample rate) much higher than the desired passband.
  • Page 45 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide Setup In the NTSC Analog Composite standard, the term Setup refers to the addition of an artificial offset or pedestal to the luminance content. This places the Black Level of the analog signal 54 mV (7.5 IRE) positive with respect to ground.
  • Page 46 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide is used to read the video back out of the memory. The memory acts as a dynamically adjusting delay to smooth out the imperfections in the original signal’s timing. Very often a TBC will also function as a Frame Synchronizer.
  • Page 47 BrightEye 56 HD/SD/Analog Test Signal and Sync Pulse Generator User Guide for every bit in the digital audio word. A clock signal, which is a square wave at the audio sampling frequency, is carried on a 75 ohm coaxial cable. Early systems would daisychain this 44.1 or 48 kilohertz clock from one device to another with coax cable and Tee connectors.

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