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  • Sonifex Exhibits the Redbox RB-DSD1 Digital Silence Detection Unit At NAB 2009
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Press Release

Sonifex Exhibits the Redbox RB-DSD1 Digital Silence Detection
Unit At NAB 2009


5th February 2009
Words: 247

RB-DSD1

Amongst a number of new products shown by Sonifex on stand N3217 at this year’s NAB show is the Redbox RB-DSD1 digital silence detection unit. This operates in a similar way to the existing RB-SD1 analogue silence detection unit, but has AES/EBU, S/PDIF and TOSlink inputs and outputs instead of analogue inputs and output respectively.

Designed to switch from one input 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.

Managing Director Marcus Brooke commented: "Our new silence detector was developed as a result of many requests from our customers who are now using purely digital audio for their broadcast transmissions and need to switch digital sources on sensing silence of their main signal. The RB-DSD1 is programmable to account for a number of different switching situations and the fre of charge SCi remote control software offers even more flexibility."

The unit can switch on loss of level of the main input, on loss of level on one channel of the main input or on loss of synchronisation lock of the main input. It has 2 x digital stereo audio inputs and outputs, with each input selectable via front panel INPUT1 and INPUT 2 push buttons, from either AES/EBU balanced XLRs, S/PDIF unbalanced phonos or TOSlink unbalanced optical inputs. Sample rate converters on each input mean that sources of different sample rates can be used with the output sample rate being defined independently.

Each input is user-defined as either the main source or auxiliary source and both sources are monitored for failure, each having a remote failure alarm.

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Sonifex Ltd. 61 Station Road, Irthlingborough, Northants, NN9 5QE, UK. Tel: +44 (0)1933 650700 Fax: +44 (0)1933 650726 EMail: sales@sonifex.co.uk