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Summary of Contents for Attero Tech DialogBox 4/2
- Page 1 DialogBox 4/2 4 input/2 output Auto Mixer with DSP User Manual Date 08/20/2013 Revision 04 Attero Tech, LLC 1315 Directors Row, Suite 107, Ft Wayne, IN 46808 Phone 260-496-9668 • Fax 260-496-9879 www.atterotech.com 614-00011-04...
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Page 2: Important Safety Instructions
DialogBox 4/2 User Manual IMPORTANT SAFETY INSTRUCTIONS The symbols below are internationally accepted symbols that warn of potential hazards with electrical products. This symbol, wherever it appears, alerts you to the presence of uninsulated dangerous voltage inside the enclosure -- voltage that may be sufficient to constitute a risk of shock. - Page 3 DialogBox 4/2 User Manual Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules and EN55022. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
- Page 4 DialogBox 4/2 User Manual LIMITED ONE YEAR WARRANTY The equipment is warranted for one year from date of purchase from Attero Tech, LLC against defects in materials or workmanship. This warranty does not cover equipment which has been abused or damaged by careless handling or shipping.
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Page 5: Table Of Contents
DialogBox 4/2 User Manual Contents 1 – Overview............................................. 1 1.1 – What’s in the Box? ..............................1 1.2 – Optional Extras................................. 1 2 – Installation ..........................................2 2.1 – Connecting Analog Audio Devices........................... 3 2.1.1 – Unbalanced source to balanced input ......................3 2.1.2 –... -
Page 6: Overview
1 – Overview The DialogBox 4/2 is a full featured 4-input/2-output auto mixer with DSP. The four local inputs can be configured to accept either line level or mic level signals with software configuration of the pre-amp level. Each input also has 24V phantom power available which is also configurable via software. -
Page 7: Dialogbox
Power input socket The DialogBox 4/2 can be mounted in several locations. The unit can sit on top of a table or shelf. There is a mounting bracket for more permanent placement or if the unit needs to be mounted underneath a desk of shelf or on its side. -
Page 8: Connecting Analog Audio Devices
User Manual 2.1 – Connecting Analog Audio Devices The DialogBox 4/2 analog inputs accept balanced or unbalanced audio via 3-pin Phoenix-type screw connectors. When interfacing audio signals to this product, use balanced connections when possible to optimize audio performance. The following sections provide wiring guidelines if balanced connections are not available on the equipment being interfaced to this product. -
Page 9: Software Configuration
Figure 7 – DialogBox DSP Architecture The DialogBox 4/2 utilizes available DSP resources within its CobraNet device to provide audio signal processing (see Figure 7). Each input has its own separate path and its own separate controls. The local inputs are fed through a mute stage (controlled by logic input) and then a gain stage. -
Page 10: Dsp Controls
Figure 8 – Local Input Channel Processing for Channels 1 and 2 The interface for the DialogBox 4/2 allows configuration of all aspects of the signal processing with the processing split into four main sections spread over several tabs. Input Processing, Matrix Mixer, Output Processing, and Logic Input Configuration. -
Page 11: Audio/Cobranet Inputs
DialogBox 4/2 User Manual 3.4 – Audio/CobraNet Inputs Each of the four local inputs and the four CobraNet inputs has their own input controls. Figure 9 shows the controls for both the local analog audio inputs (left image) and the CobraNet inputs (right image). -
Page 12: Matrix Mixer
DialogBox 4/2 User Manual 3.5 - Matrix Mixer The DialogBox includes a matrix mixer that allows signals flowing through it to be mixed as necessary. Figure 10 shows the controls. The each column represents an input. In1 through In4 are the local inputs. CI1 though CI4 are the CobraNet inputs. -
Page 13: Zone Outputs
DialogBox 4/2 User Manual 3.6 – Zone Outputs Each of the local outputs has their own output controls. Figure 11 shows the controls for the local analog audio outputs. Figure 11 - Zone Output Controls 3.6.1 – Parametric EQ Each output has two fully adjustable parametric EQs. Each EQ has a gain, a Q and a frequency control. -
Page 14: Mute
DialogBox 4/2 User Manual 3.6.7 – Mute The mute indicator warns the user whether this output zone has been muted by the activation of an appropriately configured logic input. The indicator will turn red when the mute is active. 3.6.8 – H/W Boost (Analog Outputs 1 & 2 only) The output boost applies to the output zone 1 and 2 local outputs only. -
Page 15: Configuring The Logic Inputs
DialogBox 4/2 User Manual 3.7 – Configuring the Logic Inputs In Control Center, select the DialogBox, open the device setup form and select the Logic Inputs tab to see the screen show in Figure 12. This tab also shows the revision level of both the on-board processor software and the CobraNet firmware. -
Page 16: Source Select Input
DialogBox 4/2 User Manual 3.7.3 – Source Select Input Source select inputs are available for each of the output zones. When a source select input is not active, the default zone audio will be used. However, when the input is active, the audio selected as the secondary source for that zone will be used instead. -
Page 17: Troubleshooting
DialogBox 4/2 User Manual 4 – Troubleshooting 4.1 – Checking the Network Connections CobraNet network connections can be diagnosed by noting the status of the LEDs just above the Ethernet connectors on the CobraNet I/F port. These LEDs will be on, off, or flashing depending on the current state of the network connection. -
Page 18: Architects & Engineers Specification
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 RoHS directive. The CobraNet interface shall be the Attero Tech DialogBox 4/2. 5.1 – Device Specifications Audio Inputs... -
Page 19: Appendix A - Introduction To Cobranet
DialogBox 4/2 User Manual APPENDIX A – Introduction to CobraNet CobraNet is an audio networking technology for delivery and distribution of real-time, high quality, uncompressed digital audio using a standard Ethernet network. It is implemented using a combination of hardware, firmware, and the CobraNet protocol. - Page 20 DialogBox 4/2 User Manual The modes are as follows: Unicast – Used for one-to-one connections. In this mode, only one receiver at a time can receive this bundle. Once a link is established from this transmitted bundle to a receiver, any future requests for that bundle from other potential receivers will fail.
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Page 21: Appendix B - Reference Documents
DialogBox 4/2 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 Control Center Manual Attero Tech LLC 2013 Page B-1 614-00011-04...
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