Sonifex Showcase New Redbox Innovations at NAB 2011
5th April 2011
Sonifex are pleased to present an array of new innovations on booth C2739 at this year’s NAB Show.
Managing Director, Marcus Brooke commented: “We are delighted to be showing a number of new products from the Redbox range of 3G/HD/SD-SDI video embedders and de-embedders, some of which include Dolby® E and Dolby® Digital decoding and encoding.”
Along with the 3G/HD/SD-SDI suite of Redbox video embedders and de-embedders, will be showing the new RB-VHEDD8 3G/HD/SD-SDI Dolby® E Encoder & embedder. It encodes 8 channels of audio into two channels of an AES/EBU digital audio stream which is then embedded onto any of the available groups within each of the two video output paths. It is also transmitted on a BNC or D-type on the rear panel. The audio inputs to the encoder can be selected from the external audio inputs via the BNC or D-type connections or from the audio in the incoming SDI input.
Also, the new RB-VHDDD8 3G/HD/SD-SDI Dolby® E & Dolby Digital decoder & de-embedder which de-embeds up to 10 channels of audio within any audio group of an SDI video signal and a further 2 which are sent to the Dolby® Decoder. The outputs from the decoder or the de-embedder can then be re-embedded onto either of the two SDI outputs and also transmitted on a BNC or D-type situated on the rear panel.
From the new Dolby® encoders and decoders is the RB-DEED8 Dolby® E Encoder 8 Channel, Digital Inputs. It encodes up to 8 digital audio channels into a single Dolby® bitstream output. There is also an extra Dolby® output for connection to monitoring equipment. Each digital input channel has independent level control, which can be adjusted from -24dB through to +24dB in 0.5dB steps. The digital inputs and outputs can be selected to be either balanced or unbalanced AES/EBU specification, and can be connected through either BNC or D-type connectors.
There are also 3 new audio distribution products, two for analogue audio and one for digital, all of which use RJ45 connectors to distribute the audio:
The RB-DA6R 6 way stereo distribution amplifier is a 1U rack-mount high performance amplifier for splitting a source into a number of different outputs. The amplifier provides multiple balanced audio
outputs using RJ45 connectors wired to the StudioHub+™ * standard. By using RJ45 outputs, it allows simpler CAT5 cabling to be used to connect the amplifier to other products.
The RB-DA6R has one stereo input which is switchable via a rear panel push switch between paralleled balanced inputs (2 x XLR sockets or 1 x stereo input on RJ45) and unbalanced inputs (1 pair of stereo phono sockets). The unit has 6 stereo outputs on 6 x RJ45 connectors. The unit can also be configured so that 1 mono input can be distributed to 12 outputs by use of a switch which is recessed on the front panel to prevent it being accidentally knocked.
The RB-DA6RG is identical to the RB-DA6R with the addition of individual output gain adjustment, instead of global stereo gain adjustment.
The RB-DDA22 is a digital audio distribution amplifier with multiple inputs and multiple outputs designed to accept one of 5 different digital inputs, amplify it and output this to 22 digital audio outputs in 5 different audio formats, accepting signals with sample rates in the range 32kHz to 192kHz.
There are 5 inputs, one each of balanced AES/EBU on an XLR socket, unbalanced AES/EBU on BNC, balanced AES/EBU on an RJ45 socket, unbalanced S/PDIF on a phono socket and a TOSlink optical connection. An illuminated front panel input select push button is used to choose one of the 5 inputs, or to select the Auto Mode. In Auto Mode the unit interrogates each of the inputs in turn until it finds a lock. There are loss of lock and signal presence indicators for each channel.
In addition, the Redbox RB-DSD8 8 channel silence switcher which accepts analogue and digital inputs and acts as a single 8 channel silence detector, or as multiple smaller stereo silence detectors, allowing silence switchover for 5.1 & 7.1 signals. Designed to switch from one input (or set of inputs) to another in the event of loss of audio, the unit is ideal at transmitter sites, or after the master output of a studio, to switch in another audio source, or simultaneous broadcast, should a master source fail.
And finally, also from the Redbox range, the RB-DD4 4 Channel Digital Audio Delay which allows you to delay 4 mono channels of audio independently or together and the RB-DS2 Stereo Delay Synchroniser & Time-Zone Delay which is a stereo audio delay synchroniser used for resynchronising audio to video following delay processes such as standards conversion and logo insertion, transmission and network delays.
* StudioHub+TM is a registered trademark of Radio Systems Inc
Dolby® and the double-D symbol are registered trademarks of Dolby Laboratories
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