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Video Embedder/De-Embedder Sonifex

The Sonifex RedBox RB-VHCMD16 is a 16-channel de-embedder and 16 channel embedder combined into a single 19-inch rack unit. 

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The Sonifex RedBox RB-VHCMD16 can selectively de-embed any channel within any audio group of an SDI video signal, to any of the digital outputs.

After which, the video becomes two independent paths where the audio groups can be selectively deleted or passed through. The unit then embeds any of the digital input channels to available groups within each of the two video paths, which are then sent to the re-clocked SDI outputs.

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.

If you need further information please contact our commercial office at or call +39 06-58318301 

Sonifex RedBox 16 Audio channel embedding and de-embedding

Technical Specification For RB-VHCMD16

Front Panel Controls & Indicators

Bank Select:Bank 1, 2, 3 or 4
Bank Channel Select:Channels 1, 2, 3 or 4
Function Select:De-embed or embed
Group Select:Groups 1, 2, 3 or 4
Group Channel Select:Group channels 1,2,3 or 4
Status:1 x SDI input status LED
2 x SDI output LEDs
4 x Audio group status LEDs

Audio Specifications

Output Sample Rate:48kHz
Input Sample Rates:32-192kHz, sample rate converted to 48kHz
Input & Output Impedance:110Ω or 75Ω (jumper selectable)
Signal Level (un-terminated):Balanced: 3Vp-p +/- 20% Unbalanced: 2Vp-p +/- 20%
Dynamic Range:138dB
Distortion and Noise:<-137dB THD+N at 997Hz, ref 0dBFS
De-embed Delay:3G/HD/SD: 330 us
SRC Input Delay:192 kHz: 1.3 ms
96 kHz: 1.83 ms
48 kHz: 2.9 ms
Embed Delay:SD: 600 us + SRC Input Delay
3G/HD: 300 us + SRC Input Delay


Digital Audio Outputs:16 outputs via 8 BNCs (S/PDIF) or D-type (AES/EBU)
Digital Audio Inputs:16 inputs via 8 BNCs (S/PDIF) or D-type (AES/EBU)
Digital Audio Connectors:16 x BNC 2 x 25-way D-type socket
Power Supply:Universal filtered IEC, continuously rated 85-264VAC @47-63Hz, fused, max 13W

Equipment Type

RB-VHCMD163G/HD/SD-SDI embedder & de- embedder 16 channel digital I/O

Common Specifications For RB-VHEMA8, RB-VHDMA8,

SDI Specification

SDI Input:1 x BNC, 3G/HD/SD-SDI
SDI Outputs:2 x BNC, 3G/HD/SD-SDI, Re-clocked
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)
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)
Video Delay:SD: 290 pixels / 22 us
HD: 570 pixels / 8 us
3G: 570 pixels / 4 us
Embedded Audio:48kHz, synchronous
Serial Port:RS232, 9 way D-type
Ethernet Port:10/100Mbps
Fuse Rating:Anti-surge fuse 2A 20 x 5mm

Physical Specifications

Dimensions (Raw):48cm (W) x 15.8cm (D*) x 4.2cm (H) (1U)
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


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Video Embedder/De-Embedder Sonifex

Video Embedder/De-Embedder Sonifex

The Sonifex RedBox RB-VHCMD16 is a 16-channel de-embedder and 16 channel embedder combined into a single 19-inch rack unit. 

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