Sonifex RB-DSD1
Digital Silence Detection Unit, 1U

OUR PART #  RB-DSD1

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The Sonifex RB-DSD1 digital silence detection unit works in a similar way to the Sonifex 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.

Sonifex RB-DSD1 Features:

  • Master Mode: In this mode the digital output sample rate is simply set by, and locked to, the internal on-board clock generator. No sync signal is used or required.
  • Auto Sync Mode: In this mode the digital output sample rate follows the selected sync input. When the sync signal is not present the output sample rate will be set by, and locked to, the internal on-board clock generator at the selected output frequency.
  • Auto Lock Mode: In this mode no output will be generated until lock is achieved with a sync signal. The digital output sample rate now follows the sync input. If the sync signal is removed then the output sample rate will be set by, and locked to, the internal on-board clock generator at the closest frequency available to the previous sync input.
  • Slave Mode: In this mode the digital output sample rate follows the syncinput. When the sync signal is not present the digital output is turnedoff.

Sonifex RB-DSD1 Specifications:

  • Audio Specification:
    • Dynamic Range: >138dB
    • Distortion and Noise: <-137dB THD + N at 1kHz, ref 0dB FS
    • Signal Level:
      • Balanced: 3V/10V peak to peak min/max
      • Unbalanced: Min 0.5V+/- 20% peak to peak
    • Sample Frequencies: 32, 44.1, 48, 88.2, 96,176.4 or 192kHz
    • Bit Depth: Up to and including 24 bit
  • Front Panel Operational Controls and Indicators:
    • Digital Input Select: AES/EBU, S/PDIF or TOSlink optical via INPUT 1 or INPUT 2 push-buttons
    • Sync Input Select: AES/EBU, wordclock, INPUT 1, INPUT 2 or video board, via front panel DIP switch
    • Sync Mode Select: Master, slave, auto or auto lock, via SYNC push-button
    • Alarm Threshold: -39dBfs to -84dBfs in 3dBfs steps via front panel DIP switches
    • Silence Detect Duration: 0 - 252 seconds in 2 second intervals via front panel DIP switches
    • Detection Type: Mono or stereo, via front panel DIP switch
    • Restore Control: Manual restore button & mode indication LED
    • Indicators: Program and alarm indicators for left and right sources for both main and auxiliary inputs
  • Rear Panel Operational Controls:
    • Master Frequency Select: 32, 44.1, 48, 88.2, 96,176.4 or 192kHz via rear panel DIP switches
    • Input Select: Main input from INPUT 1 or INPUT 2 via DIP switch
    • Restore Mode: Automatic or manual, via DIP switch
    • Remote Start: Latched or momentary, via DIP switch
    • Channel Loss: Mute channel or mix remaining, via DIP switch
    • Sync Loss: Switch immediately or treat as silence delay, via DIP switch
  • Physical Specifications:
    • Dimensions (Raw):
      • 48cm (W) x 10.8cm (D) x 4.2cm (H) (1U)
      • 19” (W) x 4.3” (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: 1.4kg Gross: 2.0kg
      • Nett: 3.1lb Gross: 4.4lb

Sonifex RB-DSD1
Digital Silence Detection Unit, 1U

OUR PART #  RB-DSD1

Product Information:

The Sonifex RB-DSD1 digital silence detection unit works in a similar way to the Sonifex 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.

Sonifex RB-DSD1 Features:

  • Master Mode: In this mode the digital output sample rate is simply set by, and locked to, the internal on-board clock generator. No sync signal is used or required.
  • Auto Sync Mode: In this mode the digital output sample rate follows the selected sync input. When the sync signal is not present the output sample rate will be set by, and locked to, the internal on-board clock generator at the selected output frequency.
  • Auto Lock Mode: In this mode no output will be generated until lock is achieved with a sync signal. The digital output sample rate now follows the sync input. If the sync signal is removed then the output sample rate will be set by, and locked to, the internal on-board clock generator at the closest frequency available to the previous sync input.
  • Slave Mode: In this mode the digital output sample rate follows the syncinput. When the sync signal is not present the digital output is turnedoff.

Sonifex RB-DSD1 Specifications:

  • Audio Specification:
    • Dynamic Range: >138dB
    • Distortion and Noise: <-137dB THD + N at 1kHz, ref 0dB FS
    • Signal Level:
      • Balanced: 3V/10V peak to peak min/max
      • Unbalanced: Min 0.5V+/- 20% peak to peak
    • Sample Frequencies: 32, 44.1, 48, 88.2, 96,176.4 or 192kHz
    • Bit Depth: Up to and including 24 bit
  • Front Panel Operational Controls and Indicators:
    • Digital Input Select: AES/EBU, S/PDIF or TOSlink optical via INPUT 1 or INPUT 2 push-buttons
    • Sync Input Select: AES/EBU, wordclock, INPUT 1, INPUT 2 or video board, via front panel DIP switch
    • Sync Mode Select: Master, slave, auto or auto lock, via SYNC push-button
    • Alarm Threshold: -39dBfs to -84dBfs in 3dBfs steps via front panel DIP switches
    • Silence Detect Duration: 0 - 252 seconds in 2 second intervals via front panel DIP switches
    • Detection Type: Mono or stereo, via front panel DIP switch
    • Restore Control: Manual restore button & mode indication LED
    • Indicators: Program and alarm indicators for left and right sources for both main and auxiliary inputs
  • Rear Panel Operational Controls:
    • Master Frequency Select: 32, 44.1, 48, 88.2, 96,176.4 or 192kHz via rear panel DIP switches
    • Input Select: Main input from INPUT 1 or INPUT 2 via DIP switch
    • Restore Mode: Automatic or manual, via DIP switch
    • Remote Start: Latched or momentary, via DIP switch
    • Channel Loss: Mute channel or mix remaining, via DIP switch
    • Sync Loss: Switch immediately or treat as silence delay, via DIP switch
  • Physical Specifications:
    • Dimensions (Raw):
      • 48cm (W) x 10.8cm (D) x 4.2cm (H) (1U)
      • 19” (W) x 4.3” (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: 1.4kg Gross: 2.0kg
      • Nett: 3.1lb Gross: 4.4lb
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