Extron electronics DMP 44 LC User's Guide

User GuideDMP 44 LCAudio Products:Mixers and ProcessorsFour-Line Input and Four-Line Output Digital Matrix Processor68-1938-01 Rev. B05 12

DMP 44 LC Application DiagramDMP 44LCTx Rx 1 2 3RS-232 DIGI IN3 41OUTPUTS23 41INPUTS2POWER12V 0.3A MAXRESET100-240V

Installation This section describes the installation of the DMP 44 LC, including:• Mounting the DMP 44 LC• Rear Panel Features and CablingMounting t

SECTION A–AAAPower SupplyOutput Cord2-Pole Captive ScrewConnectorRidgesSmoothTie Wrap3/16”(5 mm) Max.Figure 2. Power Supply Wiring WARNING: The two

b Power/Reset LED — The green LED indicator duplicates the front panel LED operation (see the “Reset Actuator and LED” section for additional informa

The digital input port is used to monitor TTL level digital signals. Voltages greater than 2 V indicate a logic “high” signal while voltages less th

OperationThis section describes the operation of the DMP 44 LC, including:• DMP 44 LC Operation• Front Panel Operation• Rear Panel Operation• DSP

Front Panel OperationDMP 44 LCDIGITAL MATRIX PROCESSORCONFIG1 2Figure 6. DMP 44 LC Front Panela Power/Reset LED — Green power indicator lights when

Firmware UpdatesThe firmware of the DMP 44 LC can be updated through USB or RS-232 connection. The user can obtain new firmware from the Extron websit

Digital Input PortsThe three-pin Digital Input port is used to monitor or drive TTL level digital signals. The port consists of three input pins with

3. Select the event or “trigger” to configure the input. 4. Select the action that results when the trigger occurs. 5. Select the group to act up

This symbol is intended to alert the user of important operating and mainte-nance (servicing) instructions in the literature provided with the equipme

DSP Processing and Signal FlowThe diagram below shows the signal flow and DSP processing per signal chain. Signal chains and the matrix are described

Mix MatrixThe line input process routes incoming signals through a mix matrix to the line outputs. The mix matrix contains 16 mix-points, one for each

Line Input ChannelsThere are four (4) mono line input channels. Channel controls and processing blocks described in the following sections are identic

Filter Block Each line input channel filter block allows a total of five filters. The first filter is inserted from a processor list that appears w

Figure 9. Filter Dialog Box, Filters AddedWithin the dialog box, a filter is focused when a filter type is inserted, or is focused by clicking the fi

Parametric (Equalizer)Up to three parametric filters can be placed in the filter box at one time. Each may be set to a different frequency creating a

The parametric filter allows frequency selection accurate to 0.1 Hz and either 6 or 12 dB of slope. Notice at the specified frequency (100 Hz) the sig

Bass and Treble ShelvingBass and treble shelving may be added to the filter, as shown below. Adding this filter automatically inserts both bass and tr

2. Specify bass and treble filters if necessary. Configuring Groups1. From the View menu, select Group Controls. 2. To add a new group, select Ad

3. Select a group to configure. NOTE: To configure Bass and Treble groups, see “Configuring Bass and Treble Groups.”4. Select a control type for

FCC Class A NoticeThis equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rule

5. Define the group members. Configuring Bass and Treble Groups1. From the main DSP Configurator screen, select the Filters block, as shown below.

2. From the drop down menu select Bass & Treble Filters. 3. Double-clicking the Filters processor opens the configuration screen. Configure th

5. Select the Bass or Treble control group. 6. Select the group members. 7. Repeat steps 5 and 6 for the unselected control group (Bass or Trebl

Dynamics ProcessorA dynamics processor alters the dynamic range, the difference between the loudest to the quietest portions of an audio signal. Each

Compression can also be used to protect a system or a signal chain from overload similar to a limiter.Threshold — The input signal level above which

LimiterThe limiter restricts the input signal level by compressing its dynamic range above a specified threshold. The limiter is most commonly used to

Ducking is configured in a window which opens when an active ducking processor block is double-clicked (see the following diagram). Ducking can be glo

Ducking Configuration Dialog a Current source indicatorShows the selected input. Ducker settings affect the input channel shown here. When a ducker d

f By (dB)Individual attenuation settings for each duck target in dB. The default is 20.0 dB. If additional attenuation of the targets is required, inc

Mix MatrixThe DSP architecture contains a mix matrix that connects the line inputs to the line outputs. The DSP Configurator GUI provides control of t

Conventions Used in this GuideIn this user guide, the following are used:NOTE: A note draws attention to important information.TIP: A tip provides a

• OK/Cancel — Click OK to accept changes and close the window. Cancel ignores changes and closes the window.The title above the fader reflects the ou

Double-click — Double-click to open the mix-point dialog box. The focus circle turns light green in color to indicate the open dialog box, as show in

In order to understand how the mix-points work, the following figures provide examples of mixes. In the first example figure below, input audio from

In the example figure below, inputs 1 to 4 have been routed to outputs 1 through 4 by unmuting the mix-point for mic/line input 1 on each output (1 th

DynamicsThe output channel dynamics block provides a limiter function (see the diagram below) that restricts the input signal level by compressing its

SIS Programming and ControlThis section describes SIS programming and control of the DMP 44 LC, including:• Connection Options• Command/Response Tab

USB Port (front panel)The DMP 44 LC has a front panel USB port that can be connected to a host device such as a computer running the HyperTerminal uti

Error ResponsesWhen the DMP 44 LC is unable to execute the command, it returns an error response to the host. The error response codes and their descr

X%=Internal temperature Degrees CelsiusX^=Dirty status0 = RAM has been saved to Flash (OK to power off/reset)1 = RAM needs to be saved to FlashX&=

CommandASCII Command(Host to Tuner) Response(Tuner to Host)Additional DescriptionSetup CommandsSet verbose modeE X# CV } Vrb X# ]Set verbose/response

vDMP 44 LC • Contents Introduction ...1About This Guide ...

CommandASCII Command(Host to Tuner) Response(Tuner to Host)Additional DescriptionPartial preset commandsRecall presetX1). Rpr X1) ]Recall preset.Group

Digital Input CommandsCommand ASCII Command(Host to Tuner)Response(Tuner to Host)Additional DescriptionConfigure digital inputE X! * X@ * X# * X$ GPIT

Command/Response Tables for DSP SIS CommandsMany digital signal processor (DSP) functions (gain, mute, and group masters) can be controlled using SIS

Command/Response Tables for Audio SIS CommandsDSP control commands are an extension to SIS commands. They differ only in their data string and the req

Special CharactersThe HTML language reserves certain characters for specific functions. The device will not accept these characters as part of preset

CommandASCII Command(Host to Tuner) Response(Tuner to Host)Additional DescriptionAudio group master commandsNOTE: • See Group Masters, for more info

Table 1. Level Control and Mix-point Selection Tables a Input Gain ControlX6)b Pre-mixer GainX6)Input 1 30000 Input 1 30100Input 2 30001 Input 2 3010

Software ControlThis section describes the control software for the DMP 44 LC, including:• Software Control• DSP Configurator ProgramSoftware Contro

Figure 24. DVD Software Menu3. Scroll to the DSP Configurator program and click the Install text to its right, as shown in the red boxes below.Figur

Install the USB DriverTo install the USB driver, follow these instructions. Figure 26. USB Installer Splash Screen1. After the DSP Configurator progr

DMP 44 LC • Contents vi

2. The USB driver installer launches. When the installer has completed the installation of the USB drivers, the following screen appears: Figure 28.

2. Select the device to be configured and then click OK. 3. The program displays the following screen. Using the ProgramIn Emulate mode, audio para

Emulate Mode vs. Live ModeThe DSP Configurator program has two operational modes, Live and Emulate. In Live mode, the program has established a connec

Selecting Live Mode and Pushing or Pulling a ConfigurationTo switch from emulate mode to live mode:4. Click the Live button, see a on the main DSP Co

8. Click either the:a. Pull radio button to overwrite the open file with the current device configuration, thenproceed to step 6.-or-b. Push radio

9. Click OK. The DSP Configurator program is connected live to the device and the configuration and presets are pushed or pulled as selected. • If

Saved presets can be recalled via the DSP Configurator, or a control system sending an SIS preset recall command. Presets may also be saved and recall

Building a PresetOnly elements that are highlighted (given focus) will be saved as a preset. <Ctrl + A> highlights all elements within DSP Confi

3. Select a preset number. In the Preset Name field, unused presets are named “unassigned.” To create a new preset, select an unused preset number an

When a preset is being previewed, in either Live or Emulate mode, the Delete button is available. In Live mode, the preset is deleted from the hardwar

Introduction This section describes this guide and the DMP 44 LC, including:• About This Guide• About the DMP 44 LC Digital Matrix Processor• Featu

Push Configuration - Advanced, Push Presets, AllThere are a number of advanced options available when pushing a configuration that enable the user to

3. There are three options now available; Push Configuration, Push Presets or both. In this example, Push Configuration is not selected and all prese

Push Configuration - Advanced, Push Presets, SelectedThe next example shows how to customize a push to include only selected presets. Connect the D

Reference InformationThis section contains reference information for the DMP 44 LC, including:• Specifications• Part Numbers and Accessories• Mount

Control/remote — audio processorSerial host control port ... 1 bidirectional RS-232: 3.5 mm captive screw connector, 6 pole (uses 3

Part Numbers and AccessoriesIncluded PartsThese items are included in each DMP 44 LC order:Included parts Replacement part numberDMP 44 LC Digital Mat

UL Rack Mounting GuidelinesThe following Underwriters Laboratories (UL) guidelines pertain to the safe installation of the DMP 44 LC in a rack.1. Ele

3. Install blank panels or other units on the rack shelf.Furniture MountingFurniture mount the DMP 44 LC using the optional mounting kit (Extron MBU

Firmware LoaderThe DSP Configurator program includes a firmware loader program which allows replacing the firmware without taking the DMP 44 LC out of

The Firmware Loader screen appears. 3. From the toolbar, select File > Open. 4. Locate the downloaded firmware file and click on it.5. Click B

• Outputs — Four balanced or unbalanced line on 3.5 mm, 6-pole captive screw connectors.• 4x4 line level audio matrix mixer — The DMP 44 LC is a c

DMP 44 LC Hardware Reset ModesDMP 44 LC Reset Mode SummaryMode Mode Activation Result Purpose/NotesUse Factory Firmware1Hold the reset button while ap

Extron WarrantyExtron Electronics warrants this product against defects in materials and workmanship for a period of three years from the date of purc

• 16 DSP Configurator presets — Using the DSP Configurator software, parameters for DSP processing, signal levels, or audio routing can be saved as p