VBrick Systems VB6000, VB4000, VB5000 manual Vpp Balanced

Page 78

Figure 11. Balanced Audio Cable

Table 18. Analog Input for MPEG-2, MPEG-4 and WM Encoders

Configuration

Two channel Stereo

 

 

 

 

Input Connectors

2X

TRS Stereo mini-jacks (L + R)

 

 

 

Input Configuration

Balanced or Unbalanced

 

 

 

 

 

Normal Mode

Alternate Mode (High Headroom)

 

 

 

Input Load Impedance

100k Ohms

100k Ohms

 

 

 

 

Nominal Input level

1.0

Vpp - Unbalanced

1.0 Vpp - Unbalanced

 

0.5

Vpp - Balanced

0.5 Vpp - Balanced

 

 

 

 

Maximum Input level

4.0

Vpp - Unbalanced

8.0 Vpp - Unbalanced

 

2.0 Vpp - Balanced

4.0 Vpp - Balanced

 

 

 

Dynamic Range

94dB

88dB

 

 

 

Encoder Gain Range

+7 to -53dB

+12 to -48dB Note: Depending on the

 

 

 

input level for certain gain adjustments,

 

 

 

the signal could be distorted at the input

 

 

 

to the analog-to-digital converter.

 

 

 

Channel Separation

83dB

83dB

 

 

 

Head Room

12dB

18dB

 

 

 

Noise Floor (Input

-92dB

-92dB

Grounded)

 

 

 

 

 

 

 

The Audio Out ports are also designed for use with a 1/8" mini plug. Cables are available for both balanced and unbalanced applications from electronics specialty stores (e.g. Radio Shack) and from VBrick. Table 19 and Table 20 outline the specifications of the output audio levels.

Table 19. Analog Audio Output for MPEG-2 Decoders (ENDEC configuration)

Configuration

Two channel Stereo

 

 

 

Output Connectors

2X TRS Stereo mini-jacks (L + R)

 

 

 

Output Configuration

Balanced or Unbalanced

 

 

 

 

 

Normal Mode

Alternate Mode (High Headroom)

 

 

 

70

© 2008 VBrick Systems, Inc.

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Contents VB4000-5000-6000 Series Network Video Appliances Copyright Contents Using the IR Remote Command Line InterfaceIntegrated Web Server VB6000 Reference IndexContents Organization For More InformationGetting Help Font ConventionsPrinter-Friendly Setup Overview Topics in this chapterUsing the Quick Start Guide COMAppliance Setup Connect Output to a Video MonitorConnect an Audio/Video Input Source Set the IP Address Power-on the ApplianceConnect to the IP Network Get the IP Address from a Dhcp ServerSet the IP Address with the Remote Control Set the IP Address with HyperTerminalInstall StreamPlayer Plus Verify OperationVerify Mpeg 2 Operation Verify Mpeg 4 OperationVerify WM Operation StreamPlayer Plus Installing a System Upgrade OverviewPassword button Management Tools VBrick Tool DescriptionFront Panel Edit VBDirectoryManagement Tools Telnet Simple Network Management ProtocolVBrick SDK VBrick Systems, Inc Understanding I, B, P Frames, Delay, and Synchronization Video BasicsMPEG-2 Encoder Compression Group of Pictures GOP Reference DistanceInterrelationship MPEG-2 Delay GOP Length N Reference Frame DistanceMPEG-4 Encoder Compression Receiver Sensitivity Transmit PowerMPEG-2 Audio MPEG-4 AudioGetting the Best Video Network Considerations IP Address Configuration using Host NamesVideo Resolution Assigning Multicast AddressesIP Differentiated Services Diffserv Priority Level Type of ServiceNetwork Jitter Typical ApplicationsVBrick Video Stream Handling Ethernet IPOne-Way Broadcast and Desktop Streaming Two-Way Interactive Conferencing VBrick Accessories Serial Port PassthroughHow Passthrough Works Serial Port Passthrough Using Telnet Picture-in-Picture Mpeg FeaturesBillboard Embedded Web BrowserWM Features VBrick Systems, Inc Using IWS Integrated Web ServerLogin User Level Default User Name Default Password PrivilegesWelcome Screen Menu Options Option DescriptionView Mode Making ChangesRebooting Edit ModeUsing Apply, Revert, and Defaults LogoutServing Custom ASX and Html Files Multiple AppliesVBrick Systems, Inc Front Panel Edit Key DescriptionError Message Description Dialog Window DescriptionMPEG-2/MPEG-4 Remote Control Controlling a VBStar Button Description Billboard Controlling VBrick FeaturesPicture In Picture Icon DescriptionConference Guide WM Remote Control Program GuideConnecting with HyperTerminal Connection ModesConnecting with Telnet MIB-Based Command Line Interface Command Response Finding VBrick ParametersSetting VBrick Parameters Using a MIB BrowserLogging Using Get/Set Variable Commands Using Get/Set Table CommandsBeginning or Ending an Edit Session VBrick Stab vbrickSlot1EncoderHttpPushEnable.3=2 Error Handling Applying ChangesSaving Changes CLI Examples Example 1 Set VariableExample 4 Get Table Variables Example 2 Get VariableExample 3 Set Multiple Variables Example 5 Set Table VariablesCLI Sample Script Forever Menu-Based Command Line Interface Editing Configuration Parameters Setting and Changing ParametersSetting System Date and Time Selecting Parenthetical ItemsUsing Spaces Other Editing KeysSeries Encoder Models VBrick Appliance ModelsVB6000 Series Decoder ModelsVB6000 Expanded Vbssm Expanded Vbssm Activity LEDSequence Color Description Solid. Indicates no Video In otherwise the LED is off Device InterfacesRS-232/422/485 COM Port Pinouts Pin Function DirectionEthernet Port Power In Entry InterfacePower Out Exit Interface Video-In and Video-Out CompositeAudio In and Audio Out Video-In and Video-Out S-Video InterfaceAudioMate Pin Description TypeVpp Balanced Relay Port Event Triggering Activity LEDChange RTS/DTR Control to Force On and click Apply VBrick Systems, Inc Index Index
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