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Summary of Contents for Attero Tech VoiceBox 4I/OP
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Page 1: User Manual
VoiceBox 4 I/OP User Manual Date 10/22/2010 Revision 02 Attero Tech, LLC 1315 Directors Row, Suite 107, Ft Wayne, IN 46808 Phone 260-496-9668 • Fax 260-496-9879 www.atterotech.com 614-00008-02... -
Page 2: Important Safety Instructions
Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. 10. Only use attachments/accessories specified by Attero Tech 11. Unplug this apparatus during lightning storms or when unused for long periods of time. - Page 3 Operation of this equipment in a residential area is likely to cause harmful interference, in which case the user will be required to correct the interference at his own expense. Attero Tech LLC 2010 Page ii 614-00008-02...
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Page 4: Table Of Contents
4.1 – Checking the Network Connection ..........................16 4.2 – Common Faults ................................16 5 – ARCHITECTS & ENGINEERS SPECIFICATION ..............................17 5.1 – Device Specifications ..............................17 APPENDIX A – Introduction to CobraNet................................. A-1 APPENDIX B - Reference Documents..................................B-1 Attero Tech LLC 2010 Page iii 614-00008-02... -
Page 5: Overview
It can be powered by either using PoE from a standard 802.3af compatible PoE network switch or injector, or by using an external +12VDC source. Configuration of the VoiceBox 4 I/OP is done using the Attero Tech Control Center software. This control software allows real-time manipulation of all signal routing and signal processing. -
Page 6: System Signal Flow
20ms of delay. The digital audio is then sent to a high quality D-A converter. The analog signal is then converted to a balanced line level output and sent to the local audio output connectors. Attero Tech LLC 2010 Page 2 614-00008-02... -
Page 7: Signal Processing
1.4 – Signal Processing All signal processing after the analog preamplifier circuitry is implemented in the digital domain using powerful 32-bit DSP hardware and high quality algorithms. All signal processing parameters mentioned are configurable using the Attero Tech Control Center software. -
Page 8: Installation
Power Socket – Use with optional 12 V DC wall wart only. Serial Bridge interface connector CobraNet Ethernet interface connector and indicators 4 x Balanced audio inputs and associated mic/line and phantom power switches 4 x Balanced Audio outputs Attero Tech LLC 2010 Page 4 614-00008-02... -
Page 9: Hardware Connections
There may also be some activity on the VoiceBox CobraNet I/F LED indicators. With no CobraNet network, the LED on the right of the CobraNet I/F port will be on. If another active CobraNet device is detected on the network or the Attero Tech Control Center application or other similar CobraNet application program is active on the network, the left hand LED will be flashing at a rate around three times per second and the right hand LED may either also flash or remain steady. -
Page 10: Input From A Balanced Source
CobraNet network. The Serial Bridge feature of CobraNet allows serial data to be sent across the network to other serial- enabled devices. This feature is useful for extending control data to remote locations. The settings for the serial bridge can be configured using the Attero Tech Control Center software. Attero Tech LLC 2010... -
Page 11: Phantom Power And Gain Switches
Note: The positions of the switches for both gain and phantom power are also shown on the back panel itself for easy reference. Attero Tech LLC 2010 Page 7 614-00008-02... -
Page 12: Software Installation And Setup
3 – Software Installation and Setup The Attero Tech Control Center application should be used to examine and modify device configuration. This includes not only the standard CobraNet features such as audio routing but also the device specific controls of the signal processing blocks the VoiceBox uses. -
Page 13: Input Processing
The other type of control is an indicator button. These are either grey for off or colored (red, green, or yellow) for on. To change the state of the button from on to off or from off to on, left-click on it. Attero Tech LLC 2010 Page 9... -
Page 14: Input Eq
The gain control also has two toggle indicators. The upper one marked with an “M” is the “Mute” button. The lower button marked with an “I” is the “Polarity Invert” button. Figure 14 - Input Gain Controls Attero Tech LLC 2010 Page 10 614-00008-02... -
Page 15: Matrix Mixer
Instead, there is an edit box at the top right hand corner of the matrix. A single left click on a particular crosspoint will show the control’s value in the edit box. This can also be used to type in a specific value for the selected control. Attero Tech LLC 2010 Page 11 614-00008-02... -
Page 16: Matrix Mixer Output Controls
-100 dB and 20 dB. There is also a Frequency control to set the frequency of the test tone which ranges from 20 Hz to 20 kHz. Figure 17 - Sine Wave Control Form Attero Tech LLC 2010 Page 12 614-00008-02... -
Page 17: Output Processing
The audio for the local outputs is passed from the matrix mixer to the output processing stage. Figure 18 below shows the form for outputs 1 and 2. The layout is identical for outputs 3 and 4. Figure 18 - Local output processing for Channels 1 and 2 Attero Tech LLC 2010 Page 13 614-00008-02... -
Page 18: Output Eq
The delay control adds buffering to delay the audio signal. If the control is set to 0, the control is essentially bypassed. A maximum delay of up to 20 ms can be added in total. Figure 22 - Output Delay Control Attero Tech LLC 2010 Page 14 614-00008-02... -
Page 19: General Controls
Note: The meter and clip LED monitoring is only active whilst the VoiceBox interface is open. Metering starts every time the VoiceBox interface is opened and any active metering ceases as soon as the interface form is closed. Attero Tech LLC 2010 Page 15... -
Page 20: Troubleshooting
Some switches require standard patch cables. Others can use standard or crossover cables. If connected directly to a PC, ensure the Ethernet cable is a crossover type. Attero Tech LLC 2010 Page 16 614-00008-02... -
Page 21: Architects & Engineers Specification
The DSP shall also provide a fully configurable 13-input, 12-output matrix mixer with an input from a configurable sine wave generator. The CobraNet Interface shall be compatible with Attero Tech Control Center software for flexible control and monitoring in system applications. The CobraNet Interface shall include a UL listed power source. The CobraNet Interface shall be compliant with the RoHS directive. -
Page 22: Appendix A - Introduction To Cobranet
Ethernet switches. In the case of CobraNet, it allows users to communicate with any CobraNet device using standard SNMP tools or a customized user interface designed specifically for CobraNet, such as Attero Tech’s Control Center application. The figure above represents the types of data that coexist on a CobraNet network. - Page 23 Most importantly, this control capability can be implemented from a single location! Bundle numbers range from 1 through 65535. A value of 0 represents an inactive bundle. Numbers 1-255 are reserved for multicast mode transmissions only. Attero Tech LLC 2010 Page A-2 614-00008-02...
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Page 24: Appendix B- Reference Documents
VoiceBox 4 I/OP User Manual APPENDIX B- Reference Documents The following table lists the relevant reference documents. Document Title Revision CobraNet Programmer’s Reference (Cirrus Logic) v2.5 Attero Tech LLC 2010 Page B-1 614-00008-02...
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