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Sonifex RB-VHEDD8 - 3G/HD/SD-SDI Dolby E Encoder & Embedder
  • Sonifex RB-VHEDD8 - 3G/HD/SD-SDI Dolby E Encoder & Embedder
  • Sonifex RB-VHEDD8 - 3G/HD/SD-SDI Dolby E Encoder & Embedder
  • Sonifex RB-VHEDD8 - 3G/HD/SD-SDI Dolby E Encoder & Embedder

Sonifex RB-VHEDD8 - 3G/HD/SD-SDI Dolby E Encoder & Embedder

Code:RB-VHEDD8 Condition: New
£3,845.95
( £4,615.14 inc. VAT)
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The RB-VHEDD8 is an SDI audio de-embedder and re-embedder with Dolby® E Encoding capabilities. Dolby E encodes up to 8 channels of audio into two channels of an AES digital audio stream which is then embedded onto any of the available groups within each of the two video output paths. The encoded Dolby E bitstream is also available via a dedicated output on the rear panel.

The audio inputs to the Encoder can be selected to come from the external digital audio inputs via the BNC or D-type connections on the rear panel or from embedded audio contained in the incoming SDI input. The outputs from the de-embedder can also be re-embedded into the video outputs, along with the encoder inputs.
The digital audio I/O connections are transformer-coupled balanced line interfaces and can be configured to be either 75Ω (AES 3ID) or 110Ω (AES 3) impedance through either a BNC or via the D-type connector. These connections are paralleled, allowing one type to be used per input or output.

It has a triple rate SDI receiver with automatic input rate detection and equalisation along with two re-clocked and individually buffered SDI outputs. It supports the full range of single link 3G, HD and SD standards from NTSC and PAL up to 1080p 60Hz.

The metadata used for the encoding process can be selected to come from either the external 9-pin D-type on the rear panel, from metadata embedded into the vertical blanking area of the video input (SMPTE 2020), or by settings stored internally.

There is also remote I/O available from the rear panel through a 25 way D-type connector. These are fully configurable.

The unit is controlled locally through the front panel display but can be remote controlled via an Ethernet connection using the Sonifex SCi software.

There is independent level control for every channel, which can be adjusted from -24dB through to +24dB in 0.5dB steps.

RB-VHEDD8 Diagram

Dolby Embedder, Unbalanced Input Grounding

 

The Redbox Dolby® Encoder products use differential inputs that can be terminated with either 75Ω or 110Ω for unbalanced or balanced inputs, respectively.

 

For unbalanced inputs, all that should be required is to set the inputs to 75Ω. However it has been found in rare circumstances that in this case there are issues with grounding when the input is connected from other manufacturers’ products.

 

Should problems of this nature occur, internal ground link jumpers have been provided on the RB-AIM-DE sub-board PCB to correct the problem. These short to ground one of the differential inputs, effectively providing a ‘true’ unbalanced connection.

 

It's also possible to do the same for the digital output using link J6.

 

The jumpers are labelled as follows:

 

I/O Type Ground Link Reference
Inputs 1 and 2 J2
Inputs 3 and 4 J3
Inputs 5 and 6 J4
Inputs 7 and 8 J5
Digital Output J6

 

AIM Sub-board

SDI Specification

SDI Input: 1 x BNC, 3G/HD/SD-SDI
SDI Outputs: 2 x BNC, 3G/HD/SD-SDI, re-clocked
Impedance: 75Ω
Output Alignment Jitter: <0.2UI (3G <0.3UI)
Output Level: 800mV ±10%
Return Loss: <15dB at 1500MHz
SDI Supported Standards: 270Mbps, SMPTE-259M-C (SD)
1.485 or 1.4835Gbps, SMPTE-292M (HD)
2.97 or 2.967Gbps, SMPTE-424M (3G), SMPTE-425M-A
Supported Video Formats: 525/59.94 (SMPTE-125M)
625/50 (ITU-R BT.656)
720p/23.98, 24, 25, 29.97, 30, 50, 59.94, 60 (SMPTE-296M)
1035i/59.94, 60 (SMPTE-260M)
1080i/50, 59.94, 60 (SMPTE-274M)
1080p/23.98, 24, 25, 50, 59.94, 60 (SMPTE-274M)
1080pSF/23.98, 24, 25, 29.97, 30 (RP-211)
1080i/50 (SMPTE-295M)
1080p/50 (SMPTE-295M)
Embedded Audio: 24-bit, 48kHz synchronous
SMPTE-272M-C
SMPTE-299M
Metadata: SMPTE-2020M
SMPTE-RDD06, 9-Pin D-type
   

Delay Specification

Video Delay: 1 frame when frame rate <= 30 fps, 2 frames when frame rate > 30 fps.
Adjustment: +/- 10 ms.
   

Audio Specifications

 
Output Sample Rate: 48kHz
Input Sample Rates: CH1/2 & CH3/4: 32-192kHz
CH5/6 & CH7/8: 32-48kHz
Input & Output Impedance: 75Ω/110Ω selectable
Signal Level (un-terminated): Unbalanced: 1Vp-p ±20%
Balanced: 6.6Vp-p ±20%
Digital Audio I/O:
Inputs:
8 x digital audio input channels via
4 x BNCs or 25 way D-type socket (AES3)
Outputs: 2 output channels via 1 x BNC or 25 way D-type socket (AES3)
Digital Audio Connectors: 5 x BNC
1 x 25-way D-type socket
LTC Input: 1 x BNC (not used)
   

Operational Control

Display: Vacuum fluorescent display
System Navigation: Rotary selector with integral push-switch
   

Additional Connections

Ethernet Port: 10/100Mbps, RJ-45
Remote Input/Output Port: 25-way ‘D’-type socket
Power Supply: Universal filtered IEC, continuously rated 85-264VAC
@47-63Hz, fused
Fuse Rating: Anti-surge fuse 2A 20 x 5mm
   

Physical Specifications

Dimensions (Raw): 48cm (W) x 15.8cm (D*)x 4.2cm (H)
19” (W) x 6.2” (D*) x 1.7” (H) (1U)
Dimensions (Boxed): 59cm (W) x 27.5cm (D) x 11cm (H)
23.2” (W) x 10.8” (D) x 4.3” (H)
Weight: Nett: 1.8kg Gross: 2.3kg
Nett: 4.0lb  Gross: 5.1lb
* Note that this product is deeper than standard Redboxes
   

Equipment Type

RB-VHEDD8 3G/HD/SD-SDI Dolby® E encoder
   

Accessories

RB-RK3 1U Rear panel rack kit for large Redboxes

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