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Ensemble Designs Bright Eye 91, User Manual

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Ensemble Designs Bright Eye 91 User Manual Download Page 6

BrightEye 91 HD Upconverter with AES Audio

BrightEye 91 - Page 6

APPLICATIONS

Upconversion 1

The BrightEye 91 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 91 where it
is upconverted to feed an HD Master Control Switcher. The other output can be sent to
another HD destination. 

Upconversion 2

Standard definition cameras and other SD gear can be used with an upconverter such as
BrightEye 91. Leverage existing SD equipment by upconverting for HD production. As
shown below, a standard definition camera is fed to a BrightEye 91 upconverter. The HD
output of the BrightEye is fed to a production switcher and on to a projector. The HDMI
out provides confidence monitoring of the camera.

HD Master 

Control

Switcher

Other HD 

Destinations

SD 

Signal In

House Reference

BE 91

Upconversion

SD Camera

Projector

SD SDI

or Composite

BE 91

HD

Production

Switcher

LCD

Display

HD SDI

HDMI

Summary of Contents for Bright Eye 91

Page 1: ...ation 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 TM BrightEye 91 HD Upconverter with AES Audio User Guide Revision 2 4 SW v1 2 3 ...

Page 2: ...y when analog composite video is fed to BrightEye 91 the analog video is converted at 14 bits of resolution to digital YCrCb components 601 The signal is frame synchronized to the reference input and then fed to the upconverter Aspect ratio of the video output is selectable between Anamorphic Pillar Box or Crop It can also be set manually if desired External AES audio can be inserted into the SDI ...

Page 3: ...k Audio Mux SD SDI Composite Video In AES Digital Audio Inputs Analog Decoder Auto Selecting AES Transmitters AES Receivers SDI Receiver Audio Demux Ch 1 2 Ch 3 4 Ch 5 6 Ch 7 8 Audio Processing SDI Driver HD SDI Out HDMI Out Headphone Jack Tie Back To AES I O Ports HDMI Xmtr Monitor Amp Audio I O selectable as Mux 8 8 inputs or Mux 4 4 in 4 out or Demux 8 outputs Provides embedded pass through of ...

Page 4: ...to Selecting AES Transmitters AES Receivers SDI Receiver Audio Demux Ch 1 2 Ch 3 4 Ch 5 6 Ch 7 8 Audio Processing SDI Driver HD SDI Out HDMI Out Headphone Jack Tie Back To AES I O Ports HDMI Xmtr Monitor Amp Audio I O selectable as Mux 8 8 inputs or Mux 4 4 in 4 out or Demux 8 outputs Provides embedded pass through of all 16 audio channels BrightEye 91 Functional Block Diagram landscape view ...

Page 5: ...ternal processing This allows for better separation of real image content from artifacts 2 The RF aspects of the electrical performance of the SDI inputs and outputs have been carefully optimized for reliable and dependable SDI I O performance even under adverse conditions 3 Input signals are upsampled to 4 4 4 spatial resolution in RGB colorspace and adaptively de interlaced This enables all of t...

Page 6: ...sion 2 Standard definition cameras and other SD gear can be used with an upconverter such as BrightEye 91 Leverage existing SD equipment by upconverting for HD production As shown below a standard definition camera is fed to a BrightEye 91 upconverter The HD output of the BrightEye is fed to a production switcher and on to a projector The HDMI out provides confidence monitoring of the camera HD Ma...

Page 7: ...ser guide HDMI Out Connect an LCD monitor to this port for confidence monitoring of a video feed Audio Monitor Connect a headset to this 3 5 mm mini jack to monitor the pair of audio channels selected from the Mon Assign control on the Audio Out menu Input Output BNCs There are eight rear BNC connectors used as inputs and outputs as follows HD SDI Out This BNC outputs a timed HD SDI video signal w...

Page 8: ... inputs or outputs an AES stream each stream containing 2 channels When the unit is configured as Mux 8 the AES BNCs are inputs When config ured as 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 91 is performed from the front panel or remotely from a networked PC with the BrightEye PC or BrightEy...

Page 9: ...l pair is set to nominal or unity setting or red when set to other than unity VU VU output level and the status of the Gain adjustment for each of these channel pairs is indicated by the state the VU and Gain indicators for each of the channel pairs The VU indicator illuminates red when the audio level exceeds the headroom level set by the user with the Peak Indicator control in BrightEye PC or Ma...

Page 10: ...is set to unity or red when set to other than unity Pwr Power Illuminates green when power is applied to the unit and the internal voltage regulator is functioning correctly ADJUSTING PARAMETERS FROM THE FRONT PANEL Use the Mode Right Arrow and Left Arrow buttons to select and adjust parameters from the front panel Pressing the Mode button activates the front panel for editing and tabs between eac...

Page 11: ...is software the following menus are available for controlling and monitoring the unit Video In Input Pres indicates the status of the video input SD 525 SD 625 No Input Unknown Captions In indicates the presence of closed captioned material on the input signal None Line 21 CEA 708 The BrightEye 91 translates closed caption data from the CEA 608 standard Line 21 to CEA 708 for closed captioning as ...

Page 12: ...nverted HD video output Anamorphic Pillar Box Crop Manual When Manual is selected use the Manual menu to set the aspect ratio Format use this control to set the desired output format 1080i 720p 1080p 1080sF Note that closed captions are not supported for 1080p and 1080sF outputs The unit automatically detects the input standard ...

Page 13: ...is 100 Hor Position sets the horizontal position of the output range is 100 to 100 default is 0 Ver Position sets the vertical position of the output range is 100 to 100 default is 0 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 ...

Page 14: ...f or Low 3 2 Detect turns the control to detect video that has been converted from filmOn or Off Use this only for film applications The typical setting for this parameter isOff Cpst Setup turns Setup on the composite output On or Off 525 only Set this to On if your material has Setup on it Output Muting set to either Mute On Noise or Off Mute On Noise means that the module will mute the video out...

Page 15: ...ault is 100 Pedestal adjusts the pedestal black level of the signal in IRE range is 30 to 30 IRE default is 0 IRE Hue adjusts the hue of the signal in degrees range is 180 degrees default is 0 degrees 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 the...

Page 16: ...tions from the source material The BrightEye 91 translates between CEA 608 and CEA 708 standards for closed captioning as needed Note that closed captions are not supported for 1080p and 1080sF outputs Graticule use this control to display on screen graticule lines These alignment markers facilitate film transfer post production and quality control measurements relating to picture location for bot...

Page 17: ...TM BrightEye 91 BrightEye 91 Page 17 ...

Page 18: ...own lets you choose between 20 dBFS or 18 dBFS Peak Indicator selects the amount of headroom to use in determining peak levels This pulldown lets you chose between Clipping 2 dB Headroom 4 dB Headroom 6 dB Headroom 8 dB Headroom or 10 dB Headroom Anlg Ref Level selects the analog reference level This pulldown lets you choose between 10 dBu or 4 dBu Audio Delay allows you to set the amount of audio...

Page 19: ...t select the audio group to multiplex from Group 1 Group 2 Group 3 Group 4 or Off AES 1 2 3 4 5 6 7 8 Status for Mux 8 mode the AES inputs will report the audio type being input to the AES BNCs as No Input Sync Audio Async Audio Sync Data or Async Data When the module is set for Mux 4 the Input menu provides the controls shown below Group A Status the status of the audio selected in Group A Select...

Page 20: ... 2 OK Group 3 OK or Group 4 OK Group B Status the status of the audio selected in Group B Select will be displayed as Off No Audio Present Group 1 OK Group 2 OK Group 3 OK or Group 4 OK Group A Select select the audio group to demultiplex from Group 1 Group 2 Group 3 Group 4 Group B Select select the audio group to demultiplex from Group 1 Group 2 Group 3 Group 4 or Off AES 1 2 3 4 5 6 7 8 Status ...

Page 21: ...provide mixing and output level control for audio channels 1 to 4 of the selected audio group The text field at the top of the control indicates the amount of gain applied to the channel in dB The gain level can be adjusted from 70 dB to 12 dB by moving the vertical slider control using the up down arrows or entering a desired level directly in the field and pressing the Enter key on your computer...

Page 22: ...o 8 of the selected audio group The text field at the top of the control indicates the amount of gain applied to the channel in dB The gain level can be adjusted from 70 dB to 12 dB by moving the vertical slider control using the up down arrows or entering a desired level directly in the field and pressing the Enter key on your computer On the right hand side of the control are Output Bus Ch Assig...

Page 23: ...ent to the headphone jack from 0 to 100 by moving the slider control using the up down arrows or entering a desired level directly in the field and pressing the Enter key on your computer Press the Default button to return to the default setting of 100 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...

Page 24: ...issemble or adjust factory set presets without factory authorization Factory Service 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 You may also refer to the technical support secti...

Page 25: ...5 Ω Return Loss 40 dB Serial Digital Output Number Two Type HD Serial Digital 1 485 Gb s SMPTE 274M 292M 296M Delay Adjustable from 1 field to 1 frame Processing 12 and 16 bit Impedance 75 Ω Return Loss 15 dB Max Cable Length 100 meters for 1 485Gb s HD 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...

Page 26: ...oup Assign Two of four groups Channels Sixteen passed Bit Depth 24 Bit Monitor Output Number One Connector HDMI Type Follows SDI out Audio Monitoring Output Number One for monitoring a pair of audio channels Connector 3 5mm stereo mini jack General Specifications Size 5 625 W x 1 7 H x 5 5 D 143 mm x 20 mm x 140 mm including connectors Weight 1 lb 8 oz Power 12 volts 11 watts 100 230 VAC modular p...

Page 27: ...htEye Individual Power Supply BEPS6 Spider Power Supply This powers 6 single high BrightEyes or 3 double high BrightEyes BEPS6 RP Redundant Power Supply for Spider 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 ...

Page 28: ...and horizontal measurements of an image 4 3 is the aspect ratio for standard definition video formats and television and 16 9 for high definition Converting formats of unequal ratios is done by letterboxing horizontal bars or pillar boxing vertical pillars in order to keep the original format s aspect ratio Bandwidth Strictly speaking this refers to the range of frequencies i e the width of the ba...

Page 29: ...e long runs of 0 s and 1 s Under normal conditions only very short runs of these are produced due to a scrambling algorithm that is used The Checkfield also referred to as the Pathological test signal will undo the scrambling and cause extremely long runs to occur This test signal is very useful for testing transmission paths Chroma The color or chroma content of a signal consisting of the hue and...

Page 30: ...ander Graham Bell 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 reproduced because they would be clipped The nominal operating point roughly corresponding to 0 VU must be set below FS in order to have headroom for audio peaks This operating point is described relative to FS so a digita...

Page 31: ...n that video Simultaneously the memory is being read back by a timing system that is genlocked to a house reference As a result the timing or alignment of the video frame can be adjusted so that the scan of the upper left corner of the image is happening simultaneously on all sources This is a requirement for both analog and digital systems in order to perform video effects or switch glitch free i...

Page 32: ...al 24 frames that make up each second of film they just project each one twice IRE Video level is measured on the IRE scale where 0 IRE is black and 100 IRE is full white The actual voltages that these levels correspond to can vary between formats ITU R 601 This is the principal standard for standard definition component digital video It defines the luminance and color difference coding system tha...

Page 33: ...ls us nothing at all about the pictures Oh well Multi mode Multi mode fibers have a larger diameter core than single mode fibers either 50 or 62 5 microns compared to 9 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 This will degrade the abili...

Page 34: ...l inputs and outputs will have some capacitance and inductance This will create impedance matching errors especially at higher frequencies The Return Loss of an input or output measures how much energy is returned reflected back due to the impedance mismatch For digital circuits a return loss of 15 dB is typical This means that the energy returned is 15 dB less than the original signal In analog c...

Page 35: ...ith the actual digitization of the analog signal because the varying position of the sync timing must be mimicked by the sampling function of the analog to digital converter A second timing system genlocked to a stable reference 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 ofte...

Page 36: ...allowing multiple devices to coexist on a single bus where they can be individually addressed and accessed VGA Video Graphics Array Traditional 15 pin analog interface between a PC and monitor Word Clock Use of Word Clock to genlock digital audio devices developed in the audio recording industry Early digital audio products were interconnected with a massive parallel connector carrying a twisted p...

Page 37: ...o the B Y axis and the V axis is very close to the R Y axis YUV is often used as a sort of shorthand for the more long winded Y R Y B Y Y Cr Cb In digital component video the luminance component is Y and the two color difference signals are 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...

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