Ensemble Designs BrightEye 25 User Manual
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Ensemble Designs BrightEye 25 User Manual

Analog video/audio to sdi converter with tbc and embedder
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Analog Video/Audio
to SDI Converter with
TBC and Embedder
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N S E M B L E
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This user guide provides detailed information for using the BrightEye™25
Analog Video/Audio to SDI Converter with TBC and Embedder.
The information is organized into the following sections:
• Product Overview
• Functional Description
• Applications
• Rear Connectors
• Operation
• Front Panel Controls and Indicators
• Using The BrightEye Control Application
• Warranty and Factory Service
• Specifications
• Glossary
User Guide
S
BrightEye-1
Revision 5.0 SW v1.0.4

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Summary of Contents for Ensemble Designs BrightEye 25

  • Page 1 Analog Video/Audio to SDI Converter with TBC and Embedder User Guide N S E M B L E Revision 5.0 SW v1.0.4 This user guide provides detailed information for using the BrightEye™25 Analog Video/Audio to SDI Converter with TBC and Embedder. The information is organized into the following sections: •...

  • Page 2: Product Overview

    SDI outputs on the rear of the unit. BrightEye 25 is powered by a 12 volt DC universal power supply. This power supply can accept an input voltage between 90 and 230 volts, at 50 or 60 Hertz.
  • Page 3 APPLICATIONS One useful application for the BrightEye 25 is for signal ingest from a satellite receiver for feeding a video server requiring SDI video with embedded audio. In this application shown below, analog video enters the BrightEye 25 and is converted and decoded to digital video.

  • Page 4: Rear Connectors

    BrightEye 25 A-D Converter with TBC/FS and Embedder REAR CONNECTORS All connections to the BrightEye 25 converter are made on the rear of the unit. Refer to the illustration below. BrightEye 25 Rear Connectors Power Connection Connect a modular power supply to the 12 volt DC power input connection on the far left of the unit.

  • Page 5: Operation

    OPERATION Control and operation of the BrightEye 25 unit is performed from the front panel or remotely from a networked PC with the BrightEye Control application. Some control settings are only available with BrightEye PC or Mac. These parameters NOTE cannot be monitored or controlled from the front panel.

  • Page 6: Adjusting Parameters From The Front Panel

    BrightEye 25 A-D Converter with TBC/FS and Embedder Additionally, the VU indicator illuminates orange when the output is above 0 VU, illuminates green when the output is above -20 VU, and doesn’t illu- minate when the output is below -20 VU.

  • Page 7: Using The Brighteye Control Application

    USING THE BRIGHTEYE CONTROL APPLICATION The BrightEye PC and BrightEye Mac applications included on CD-ROM are designed to allow you to configure and control the BrightEye 25 from a personal computer. Installation and instructions for using this software application are given in the PDF manual on disk.
  • Page 8 BrightEye 25 A-D Converter with TBC/FS and Embedder Proc Menu The Proc menu provide the following video adjustments: • Gain – adjust the overall gain of the signal from 50 to 150%. • Chroma – adjust the chroma gain of the signal from 50 to 150%.
  • Page 9 Audio Mixer Menu • Outputs 1-4 – provide peak/VU status, with the same methodology as the front panel VU indicators, but on a per channel basis, rather than per channel pair. Peak/VU indicators illuminate red when the audio level on that channel exceeds the headroom level set by the user with the Peak Indicator control.
  • Page 10 BrightEye 25 A-D Converter with TBC/FS and Embedder Timing Menu The timing function operates in one of three modes: 1. When the Frame Sync control is turned On and a proper reference signal is connected to the Ref In BNC, the video output of the unit will be syn- chronous and locked to the external reference.
  • Page 11 Output Menu Use the Output menu to set the following output conditions for the module: • V Blanking – set the vertical blanking to Narrow (NTSC: lines 1-9, PAL: lines 1-6) or Wide (NTSC: lines 1-20, PAL: lines 1-22). • Test Pattern – select a test pattern at the module output from Black or Color Bars or turn to Off for normal operation.

  • Page 12: Warranty And Factory Service

    WARRANTY AND FACTORY SERVICE Warranty Ensemble Designs, Inc. warrants this product to be free from defect in material and workmanship for a period of five years from the date of delivery. During this two year warranty period, Ensemble Designs, Inc. will repair any defective units at Ensemble’s expense if the unit should be determined to be defective after con-...

  • Page 13: Specifications

    SPECIFICATIONS Analog Video Input: Number: Signal Type: NTSC, PAL Composite Impedance: 75 Ω Return Loss: > 40 dB, DC to 5.5 MHz Input DC: +/- 1 volt DC Input Hum: < 100 mV Reference Input: Number: Signal Type: 1 V p-p Composite Video, PAL or NTSC Impedance: 75 Ω...
  • Page 14 BrightEye 25 A-D Converter with TBC/FS and Embedder General Specifications: Size: 5.625” W x 0.8 “ H x 5.5” D (143 mm x 20 mm x 140 mm) including connectors Power: 12 volts, 7 watts Temperature Range: 0 to 40 degrees C ambient...

  • Page 15: Brighteye Power Supply Information

    BRIGHTEYE POWER SUPPLY INFORMATION Below is a list of power supplies and optional items that may have come with your BrightEye: BEPS BrightEye Individual Power Supply. BEPS6 Spider Power Supply. This powers 6 single high BrightEyes or 3 double high BrightEyes (BrightEye 90 family).
  • Page 16 BrightEye 25 A-D Converter with TBC/FS and Embedder GLOSSARY This is a brief glossary of commonly used terms associated with this product. 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 17 Chroma The color or chroma content of a signal, consisting of the hue and saturation of the image. See also Color Difference. Component In a component video system, the totality of the image is carried by three separate but related components. This method provides the best image fidelity with the fewest artifacts, but it requires three independent transmission paths (cables).
  • Page 18 BrightEye 25 A-D Converter with TBC/FS and Embedder dBFS In Digital Audio systems, the largest numerical value that can be represented is referred to as Full Scale. No values or audio levels greater than FS can be repro- duced because they would be clipped. The nominal operating point (roughly corre- sponding to 0 VU) must be set below FS in order to have headroom for audio peaks.
  • Page 19 The International Electrotechnical Commission provides a wide range of worldwide standards. They have provided standardization of the AC power con- nection to products by means of an IEC line cord. The connection point uses three flat contact blades in a triangular arrangement, set in a rectangular connector. The IEC specification does not dictate line voltage or frequency.
  • Page 20 BrightEye 25 A-D Converter with TBC/FS and Embedder Multi-mode Multi-mode fibers have a larger diameter core (either 50 or 62.5 microns), and a correspondingly larger aperture. It is much easier to couple light energy into a multi-mode fiber, but internal reflections will cause multiple “modes” of the signal to propagate down the fiber.
  • Page 21 Return Loss An idealized input or output circuit will exactly match its desired impedance (generally 75 ohms) as a purely resistive element, with no reactive (capacitive or inductive elements). In the real world we can only approach the ideal. So our real inputs and outputs will have some capacitance and inductance.
  • Page 22 BrightEye 25 A-D Converter with TBC/FS and Embedder A Time Base Corrector is a system to reduce the Time Base Error in a signal to acceptable levels. It accomplishes this by using a FIFO (First In, First Out) memory. The incoming video is written into the memory using its own jittery timing.

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