Ensemble Designs BrightEye 90 User Manual
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Ensemble Designs BrightEye 90 User Manual

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HD Up/Down/Cross Converter
and Aspect Ratio Converter
with AES Audio
This user guide provides detailed information for using the BrightEye 90
HD up/down/cross converter and aspect ratio converter (ARC) with AES audio.
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
BrightEye 90
User Guide
BrightEye 90 - Page 1
TM
Revision 2.4 SW v1.2.3

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Summary of Contents for Ensemble Designs BrightEye 90

  • Page 1 AES Audio User Guide Revision 2.4 SW v1.2.3 This user guide provides detailed information for using the BrightEye 90 HD up/down/cross converter and aspect ratio converter (ARC) with AES audio. The information is organized into the following sections: • Product Overview •...

  • Page 2: Product Overview

    As shown in the diagram that follows, when a high definition or standard definition serial digital video input is fed to the BrightEye 90, the signal enters the serial digital receiver and is frame synchronized to the reference input. Audio is disembedded and passed around the video processing.
  • Page 3 BNC. BrightEye 90 is powered by a 12 volt DC universal power supply. This power supply can accept an input voltage between 100 and 230 volts, at 50 or 60 Hertz.
  • Page 4 BrightEye 90 HD Up/Down/Cross Converter and ARC with AES Audio PERFORMANCE ADVANTAGES OF THE BRIGHTEYE SERIES When images are converted between different formats, color spaces, and resolution geometries, the need for accuracy and fidelity are extremely important. Whether upconverting from standard definition to HD formats, converting between different HD formats, or downconverting to SD, extra care must be paid to every aspect of the signal and the content of the images.
  • Page 5 The BrightEye 90 can upconvert SD video from many different source types. As shown in the example below, the SD ingest signal from a satellite is fed to a BrightEye 90 where it is upconverted to feed an HD Master Control Switcher. The other output can be sent to other HD destinations.
  • Page 6 House Reference HD Downconversion 2 As shown in the example below, the BrightEye 90 can be used to downconvert material originated in HD. The BrightEye 90 can output signals to feed a server, video monitor and HDMI display simultaneously. SD SDI...
  • Page 7 The BrightEye 90 can perform cross conversion between two different types of HD signals. As shown here, the 1080i input from an HD network feed is sent to the BrightEye 90 where the format is converted to 720p as required for input to an HD router.
  • Page 8 BrightEye 90 HD Up/Down/Cross Converter and ARC with AES Audio Remote Truck/OB Van As shown below, the BrightEye 90 accepts an SD SDI or HD SDI signal. The user sets the unit to the desired output type. The BrightEye 90 auto-senses the input format and determines if it should up, down, or cross convert the signal, based on the user’s output format selection.

  • Page 9: Rear Connectors

    BrightEye 90 REAR CONNECTORS All connections to the BrightEye 90 are made on the rear of the unit. Refer to the photo below. BrightEye 90 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 10: Operation

    Demux, the AES BNCs are outputs.When configured as Mux 4, two BNCs are inputs and two BNCs are outputs. OPERATION Control and operation of the BrightEye 90 is performed from the front panel or remotely from a networked PC with the BrightEye PC or BrightEye Mac Control application.
  • Page 11 BNC. Choices are HD or SD/Composite. Ref (Reference) illuminates when a valid reference is detected on the Ref In BNC. Output Indicates the type of video signal selected on the HD/SD SDI Out BNC. Choices are 1080i, 720p, 1080p, 1080sF or SD. BrightEye 90 - Page 11...

  • Page 12: Adjusting Parameters From The Front Panel

    BrightEye 90 HD Up/Down/Cross Converter and ARC with AES Audio Mode Indicates the output aspect ratio when upconverting the input signal. Choices are: • Anamorphic – original material is stretched as needed to 16:9. • Box – Letter Box or Pillar Box is applied to the original material.

  • Page 13: 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 90 from a personal computer. Installation and instructions for using this software application are given in the PDF manual on disk.
  • Page 14 BrightEye 90 HD Up/Down/Cross Converter and ARC with AES Audio Mode • Mode – indicates the mode in which the unit is running (Upconvert, Downconvert, Crossconvert, ARC [Aspect Ratio Convert]). The mode is determined by the output selection made in the Format control.
  • Page 15 Make adjustments by clicking and dragging the slider controls, by using the up and down arrow buttons, or by entering a value directly into the field. Click the Default buttons to return settings to their default values. BrightEye 90 - Page 15...
  • Page 16 BrightEye 90 HD Up/Down/Cross Converter and ARC with AES Audio Config • Noise Reduce – adjusts the amount of noise reduction on the output signal from Off, Low, Medium, or High. The typical setting for this parameter is Off or Low.
  • Page 17 Make adjustments by clicking and dragging the slider controls, by using the up and down arrow buttons, or by entering a value directly into the field. Click the Default buttons to return settings to their default values. BrightEye 90 - Page 17...
  • Page 18 HDMI Non-Compat, HDMI Native, HDMI Compatible). Status information comes from the display itself. Some displays may not work with the BrightEye 90, depending on the formats that the display supports. For best results, use a display that is HDMI Native.
  • Page 19 BrightEye 90 BrightEye 90 - Page 19...
  • Page 20 BrightEye 90 HD Up/Down/Cross Converter and ARC with AES Audio Aud Config • Audio Mode – selects the mode of the module as Mux 4 (4 inputs and 4 outputs), Mux 8 (8 inputs), or Demux (8 outputs). • Dig Ref Level – selects the digital reference level. This pulldown lets you choose between: -20 dBFS or -18 dBFS.

  • Page 21: Multiplexer Mode

    AES BNCs as No Input, Sync Audio, Async Audio, Sync Data, or Async Data. • AES 5/6, 7/8 Status – for Mux 4 mode, the AES inputs will report the AES audio status as being in Output Mode. BrightEye 90 - Page 21...
  • Page 22 BrightEye 90 HD Up/Down/Cross Converter and ARC with AES Audio Demultiplexer Mode When the module is set for Demux, the Input menu provides the controls shown below. • Group A Status – the status of the audio selected in Group A Select will be displayed as No Audio Present, Group 1 OK, Group 2 OK, Group 3 OK, or Group 4 OK.
  • Page 23 Ch 2 will tie the two control together. Selecting the Tie button in Input Ch 3 or Input Ch 4 will tie the controls for these channels together. Click the Default button to return to the default value. Click the Invert button to invert the phase of the audio content. BrightEye 90 - Page 23...
  • Page 24 BrightEye 90 HD Up/Down/Cross Converter and ARC with AES Audio Mixer B For Channels 5 – 8, use the Mixer B menu as follows: • Outputs 5-8 – provides Peak/VU status, with the same methodology as the front panel VU indicators, but on a per-channel basis, rather than per- channel pair.

  • Page 25: Audio Out

    • HDMI Assign – selects the audio pair that is output on the HDMI Out port. The HDMI port carries both audio and video signals. Choices are: Chan 1/2, Chan 3/4, Chan 5/6, Chan 7/8, Chan 9/10, Chan 11/12, Chan 13/14, Chan 15/16. BrightEye 90 - Page 25...

  • Page 26: 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 5 years from the date of delivery. During this 5 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 27: Specifications

    (Belden 1694A) HD Standards Supported 1080i 50,59.94 or 60 Hz SMPTE 274M -4,5,6 720p 50,59.94 or 60 Hz SMPTE 296M -1,2,3 1080p 23.98,24 or 25 Hz SMPTE 274M -9,10,11 1080sF 23.98,24 or 25 Hz RP211 -14,15,16 BrightEye 90 - Page 27...
  • Page 28 BrightEye 90 HD Up/Down/Cross Converter and ARC with AES Audio AES/EBU Digital Inputs Number Four (total of eight channels, selectable as inputs or outputs) Type AES3id Connector Coaxial, 75 Ω Bit Depth 20 and 24 Bit Sample Rate 30 KHz to 96 KHz (Sample Rate Converted internally to 48 KHz)

  • Page 29: Brighteye Power Supply Information

    BERKMT BrightEye Rack Mount. This holds 6 single high BrightEyes or 3 double high BrightEyes, or a combination. BEBP BrightEye Blank Panel. Single high, for empty slots in Rack Mount. BEAC Analog Audio Breakout Cable. BrightEye 90 - Page 29...

  • Page 30: Aspect Ratio

    BrightEye 90 HD Up/Down/Cross Converter and ARC with AES Audio 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 31 The resultant artifacts of dot crawl (also referred to as chroma crawl) are only the most obvious result. Composite television is the most BrightEye 90 - Page 31...

  • Page 32: Embedded Audio

    BrightEye 90 HD Up/Down/Cross Converter and ARC with AES Audio commonly used format throughout the world, either as PAL or NTSC. It is also referred to as Encoded video. Color Difference Color Difference systems take advantage of the details of human vision. We have more acuity in our black and white vision than we do in color.

  • Page 33: Eye Pattern

    HDMI is a bit serial interface that carries the video content in digital component form over multiple twisted-pairs. HDMI is closely related to the DVI interface for desktop computers and their displays. BrightEye 90 - Page 33...
  • Page 34 BrightEye 90 HD Up/Down/Cross Converter and ARC with AES Audio 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. The connection point uses three flat contact blades in a triangular arrangement, set in a rectangular connector.
  • Page 35 And secondly, and most importantly, an optical interface can carry a signal for many kilometers or miles without any degradation or loss in the recovered signal. Copper is barely useful at distances of just 1000 feet. BrightEye 90 - Page 35...

  • Page 36: Return Loss

    BrightEye 90 HD Up/Down/Cross Converter and ARC with AES Audio 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 37 This allowed it to be recovered in rewind and fast forward when the picture itself could not. Timecode continues to be useful today and is carried in the vertical interval as VITC, and as a digital packet as DVITC. Timecode is the true metadata. BrightEye 90 - Page 37...

  • Page 38: Tri-Level Sync

    BrightEye 90 HD Up/Down/Cross Converter and ARC with AES Audio Tri-Level Sync For many, many years, television systems used composite black as a genlock reference source. This was a natural evolution from analog systems to digital implementations. With the advent of High Definition television, with even higher data rates and tighter jitter requirements, problems with this legacy genlock signal surfaced.
  • Page 39 Cr (R-Y) and Cb (B-Y). Y/Pr/Pb In analog component video, the image is carried in three components. The luminance is Y, the R-Y color difference signal is Pr, and the B-Y color difference signal is Pb. BrightEye 90 - Page 39...

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