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VB6000 Reference
VBrick Appliance Getting Started Guide 71
Table 20. Analog Audio Output for MPEG-4 Decoder (ENDEC configuration)
Relay Port
The Relay port is designed for use with a 1/8" balanced mini plug. Cables are available from
electronics specialty stores (e.g. Radio Shack) and from VBrick Systems. The relay is
controlled via IWS. In IWS go to
Configuration: System > General to set Relay Control
Output Impedance 50 Ohms +-10% 50 Ohms +-10%
Nominal Output Level 1.0 Vpp - Unbalanced
1.0 Vpp - Balanced
1.0 Vpp - Unbalanced
1.0 Vpp - Balanced
Maximum Output Level +-12 Vpp Balanced or Unbalanced
Dynamic Range 94dB 88dB
Decoder Gain Range +14dB to -48dB and Mute +8dB to -54dB and Mute
End-to-end Gain a. Encoder/Decoder in Normal mode: Gain = unity @ 0dB level
b. Encoder/Decoder in Alternate mode: Gain = unity @ 0dB level
Maximum Load 600 Ohms 600 Ohms
SNR (Signal to Noise) 76dB @ 1kHz 72dB @ 1kHz
Noise Floor (No signal,
Input grounded)
-92dB -92dB
Balanced Output
Voltage Offset
15 mV typical 15 mV typical
Configuration Two channel Stereo
Output Connectors 2X TRS Stereo mini-jacks (L + R)
Output Configuration Balanced or Unbalanced
Output Impedance 50 Ohms +-10%
Nominal Output Level 1.0 Vpp - Unbalanced
1.0 Vpp - Balanced
Maximum Output Level +-12 Vpp Balanced or Unbalanced
Dynamic Range a. Encoder in Normal mode: Dynamic Range = 91dB
b. Encoder in Alternate mode: Dynamic Range = 88dB
Decoder Gain Range +12dB to -34.5dB
End-to-end Gain a. Encoder in Normal mode: Gain = +4.5dB @ 0dB level
b. Encoder in Alternate mode: Gain = unity @ 0dB level
Maximum Load 600 Ohms
SNR (Signal to Noise) 76dB @ 1kHz
Noise Floor (No signal,
Input grounded)
-92dB
Balanced Output
Voltage Offset
15 mV typical