Extron electronics DMP 44 LC User Manual
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Extron electronics DMP 44 LC User Manual

Extron electronics DMP 44 LC User Manual

Four-line input and four-line output digital matrix processor
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Download this manual See also: Setup Manual
User Guide
Audio Products:
Mixers and Processors
DMP 44 LC
Four-Line Input and Four-Line Output
Digital Matrix Processor
68-1938-01
Rev. B
12 11

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  • Page 1 User Guide Audio Products: Mixers and Processors DMP 44 LC Four-Line Input and Four-Line Output Digital Matrix Processor 68-1938-01 Rev. B 12 11...
  • Page 2 Safety Instructions • English Warning Power sources • This equipment should be operated only from the power source indicated on the product. This This symbol is intended to alert the user of important operating and mainte- equipment is intended to be used with a main power system with a grounded (neutral) conductor. The third nance (servicing) instructions in the literature provided with the equipment.
  • Page 3 FCC Class A Notice 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. Operation is subject to the following two conditions: This device may not cause harmful interference. This device must accept any interference received, including interference that may cause undesired operation.
  • Page 4 Selectable items, such as menu names, menu options, buttons, tabs, and field names are written in the font shown here: From the menu, select File Click the button. Copyright © 2011 Extron Electronics. All rights reserved. Trademarks All trademarks mentioned in this guide are the properties of their respective owners.

  • Page 5: Table Of Contents

    Special Characters..........42 Command/Response Tables for DSP SIS About This Guide ..........1 Commands ............46 About the DMP 44 LC Digital Matrix Processor ..1 Command/Response Tables for Audio SIS Features .............. 1 Commands ............47 DMP 44 LC Application Diagram ......4 Symbol definitions ........
  • Page 6 DMP 44 LC Digital Matrix Processor • Contents...

  • Page 7: Introduction

    This guide contains installation, configuration, and operating information for the Extron DMP 44 LC Digital Matrix Processor, software controlled digital audio processor. In this guide, the DMP 44 LC may also be referred to as “the DMP” or “device.” About the DMP 44 LC Digital Matrix Processor The DMP 44 LC is a standalone audio matrix processor with four line inputs and four line outputs.
  • Page 8 • connectors. • 4x4 line level audio matrix mixer — The DMP 44 LC is a compact matrix processor with DSP. It features four line level inputs that can be processed, mixed, and routed to four line level outputs. •...
  • Page 9 DSP blocks. • Group masters — The DMP 44 LC provides the capability to consolidate gain or mute control throughout the system. Any gain or mute block within the graphical user environment can be selected and added to a group master, which can then be controlled by a single master fader and mute control.

  • Page 10: Dmp 44 Lc Application Diagram

    DMP 44 LC Application Diagram TouchLink ™ Control System DISP TCP/IP ® LINK INPU Extron W ER I IN .5 A XPA 1002 D IG - 2 3 RS-232 Power Ampli er 2 VG M LS Extron MLS 102 VGA...

  • Page 11: Installation

    Mounting the DMP 44 LC Rear Panel Features and Cabling • Mounting the DMP 44 LC The 1U high, quarter rack width, 3.0 inch deep DMP 44 LC Digital Matrix Processor can • Set on a table, • Mounted on a rack shelf, •...
  • Page 12 Applying power with incorrect voltage polarity could damage the power supply and the DMP 44 LC. Identify the power cord negative (ground) lead by the ridges on the side of the cord or a black heat shrink wrapping around it.

  • Page 13: Audio Input Wiring

    RS-232 port) provides three configurable input ports allowing connection to various devices including motion detectors, alarms, buttons, photo (light) sensors, and temperature sensors. This connector shares a common ground with the RS-232 connector (e). DMP 44 LC • Installation...

  • Page 14: Usb Configuration Port (Front Panel)

    Reset button — The recessed reset button is used to access various modes of resets. The single green power LED on both the front and rear panels indicates what mode “DMP 44 LC Hardware Reset Modes” of reset was accessed (see the section for additional details).

  • Page 15: Operation

    Levels above 0 dBFS cause clipping, which is always audible on a digital device. All gain stages in the DMP 44 LC are mono. Gain may also be controlled using a Group master, which is configured with the DSP Configurator software. Group masters can...

  • Page 16: Front Panel Operation

    Configuration connector — The USB 2.0 port uses a mini type-B connector to connect to a host computer for control. The DMP 44 LC USB driver must be installed prior to using the port (see the “Install the USB Driver”...

  • Page 17: Firmware Updates

    With power on, when the reset button is held down the front and rear panel LEDs pulse (blink) every three seconds and put the unit in a different reset mode . The DMP 44 LC defaults back to the base firmware that shipped with the unit from the factory, allowing the user to recover a unit that has incorrect code or updated firmware running.

  • Page 18: Digital Input Ports

    The DSP Configurator software provides a selection of functions to be loaded to the DMP 44 LC (see the “Software Control”...
  • Page 19 Select the event or “trigger” to configure the input. Select the action that results when the trigger occurs. Select the group to act upon when the trigger event occurs. Select Apply to accept the changes. DMP 44 LC • Operation...

  • Page 20: Dsp Processing And Signal Flow

    All signal routing, processing, and level control (gain/trim/volume), are accomplished using software control from a PC connected to the DMP 44 LC via the USB configuration port or the RS-232 port. The DSP Configurator program provides complete control while SIS commands provide more limited control.

  • Page 21: Mix Matrix

    When bypass is removed, the signal will be processed according to the parameter settings. A red mark appears in the lower left of the block (shown below) to indicate it has been inserted, but is currently bypassed. DMP 44 LC • Operation...

  • Page 22: Line Input Channels

    1 dB steps. <Page Up> and <Page Down> increases/decreases level in 10 dB steps. • Click in or tab to the signal level readout field. Type a new value, then press <Enter> or <Tab> to another area. DMP 44 LC • Operation...

  • Page 23: Filter Block

    All filter parameters are modified via the Filter block dialog box. Each filter loads with all applicable default parameters displayed to the right of each drop-down filter selection list. DMP 44 LC • Operation...
  • Page 24 (outlined in red). Clicking a handle or clicking the table row brings focus to that filter. Click+hold+dragging the handle horizontally changes the cutoff or center frequency to a new position on the x axis. DMP 44 LC • Operation...
  • Page 25 Figure 12. All Parametric Filters Active The overall frequency response is now shown as a solid red line with the filter in focus, located in row 2, shown in the color of its table row. DMP 44 LC • Operation...

  • Page 26: Low Pass

    In the figure below, the frequencies higher than the specified frequency, 10 kHz, are attenuated leaving the lower frequency response flat. Figure 14. Low Pass Filter Response Curve DMP 44 LC • Operation...

  • Page 27: Setting Bass And Treble Filters

    6 and 12 dB/octave are available along with the ability to boost or cut the signal up to 24 dB. Setting bass and treble filters To set bass and treble filtering: Check that bass and treble filtering have been defined. DMP 44 LC • Operation...

  • Page 28: Configuring Groups

    Specify bass and treble filters if necessary. Configuring Groups From the View menu, select Group Controls. To add a new group, select Add a Group. DMP 44 LC • Operation...
  • Page 29 Select a group to configure. NOTE: “Configuring Bass and To configure Bass and Treble groups, see Treble Groups.” Select a control type for the group. DMP 44 LC • Operation...

  • Page 30: Configuring Bass And Treble Groups

    Define the group members. Configuring Bass and Treble Groups From the main DSP Configurator screen, select the Filters block, as shown below. DMP 44 LC • Operation...
  • Page 31 Double-clicking the Filters processor opens the configuration screen. Configure the bass and treble parameters. NOTE: The Bypass button is red when the filter is bypassed or not active. To configure a control group member, select Control Groups from the Tools drop-down menu. DMP 44 LC • Operation...
  • Page 32 Select the Bass or Treble control group. Select the group members. Repeat steps 5 and 6 for the unselected control group (Bass or Treble) DMP 44 LC • Operation...

  • Page 33: Dynamics Processor

    Both techniques have the effect of making louder portions of a signal softer while at the same time increasing softer signals to raise them further above the noise floor. DMP 44 LC • Operation...
  • Page 34 Release time can be adjusted from 10 to 1000.0 ms in 0.1 ms increments. Default is 100.0 ms. Soft Knee — Click the Soft Knee check box to smooth and soften the transition from uncompressed to compressed output levels. There are no adjustments. DMP 44 LC • Operation...
  • Page 35 A paging mic must attenuate all other signals. Ducking processor blocks are individually inserted from a context menu, as shown in the following figure. Only a ducking source needs to be inserted. Ducking targets are enabled from the Ducker Configuration dialog box. DMP 44 LC • Operation...
  • Page 36 . All inactive ducking processor blocks have Enable Source Mic/Line unchecked by default. Enable Source Mic/Line Figure 16. Ducker Configuration Dialog Any of the four inputs can be ducking sources. Any or all of the remaining inputs can be targets. DMP 44 LC • Operation...
  • Page 37 Any input channel displayed in the tree is an active link. Click any input channel to select that channel as the current source. The current source indicator ( a ) reflects the selected input channel. DMP 44 LC • Operation...
  • Page 38 Ducking attenuation is not additive. When an input target is ducked, regardless of how far down the priority line it is, the maximum attenuation is what is set in the by: column near the center of the dialog box. DMP 44 LC • Operation...

  • Page 39: Mix Matrix

    0 dBFS at the line output Volume block level meter (while accounting for processing that may occur in the line output signal chain). Shown below is a drawing of the DMP 44 LC represented in DSP Configurator, with a red box indicating the mix matrix.
  • Page 40 Mouse-over — The cursor changes to a hand when a mouse-over occurs at a mix-point whether the mix-point contains mix information or not. Single-click — A single click brings focus, indicated by a dark green circle around either the ball or bubble, depending on mix status. DMP 44 LC • Operation...
  • Page 41 Focus can be returned by either clicking on a previously opened dialog box, or by double-clicking on a mix-point. DMP 44 LC • Operation...
  • Page 42 1. Open the individual mix-point dialog boxes to adjust signal levels to the output. Figure 20. All Inputs to Output 1 DMP 44 LC • Operation...

  • Page 43: Line Output Channels

    Filter Filter function and interface is identical to the line input channel filter block, described “Filter Block” However, there are a total of nine filters allowed in the output signal processor chain. DMP 44 LC • Operation...

  • Page 44: Dynamics

    The default setting is unmuted, at 0 dB attenuation. A peak meter displays the real-time audio level from -60 to 0 dBFS. button accepts settings and closes the dialog with a single click, while the Cancel button ignores changes and closes the dialog. DMP 44 LC • Operation...

  • Page 45: Sis Programming And Control

    RS-232 Port The DMP 44 LC has one serial port that can be connected to a host device such as a computer running the HyperTerminal utility, DSP Configurator, or the DataViewer utility. The port makes serial control of the DMP possible. Use the protocol information listed above to make the connection.

  • Page 46: Usb Port (Front Panel)

    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 utility, DSP Configurator, or the DataViewer utility. The port makes serial control of the DMP possible. After the connection is established, “Using the Command/Response Tables”...

  • Page 47: Error Responses

    Error Responses When the DMP 44 LC is unable to execute the command, it returns an error response to the host. The error response codes and their descriptions are as follows: Description Code Invalid command Invalid preset Invalid port number...

  • Page 48: Special Characters

    {space (spaces are acceptable for names)} + } ~ , @ = ‘ [ { } < > ’ “ semicolon (;) colon (:) | \ and ?. Command/Response Table for Basic DMP 44 LC SIS Commands ASCII Command Response...
  • Page 49 E X1@ X1@ , Write input name Write input name. , name NI name E X1@ Vrb mode 0/1: Read input name Read input name. name Vrb mode 2/3: X1@ , name DMP 44 LC • SIS Programming and Control...
  • Page 50 View group members View group members <OID>*<OID> ...*<OID> Vrb mode 2/3: GrpmO *<OID>*<OID> ...*<OID> X1$ GRPM } View soft limits Vrb mode 0/1: View soft limits X1& ] Vrb mode 2/3: X1& ] GrmpL DMP 44 LC • SIS Programming and Control...
  • Page 51 4 = preset recall 2 = increment group preset range = 1–16 Preset or group number group range = 1–16 0 = off (default) 0 = hi (voltage) State 1 = lo (voltage) DMP 44 LC • SIS Programming and Control...

  • Page 52: Command/Response Tables For Dsp Sis Commands

    Mix-points – Provide level adjustment and signal routing from the inputs to the outputs. Output trim control – Provides level adjustment after the line input audio processing. Output volume control – Provides volume control of the variable output, mute, and polarity. DMP 44 LC • SIS Programming and Control...

  • Page 53: Command/Response Tables For Audio Sis Commands

    0.1 dB increments. The valid range must be within the range for the gain block grouped in Group type 6 = gain 12 = mute Personal Identification Number (PIN) Four numeric digits, default = 0000 DMP 44 LC • SIS Programming and Control...

  • Page 54: Special Characters

    See in the previous section. • All responses are shown with the DMP 44 LC in Verbose mode 2 or 3. Set a trim or gain (excluding Set trim or mix control...
  • Page 55 1, the response is simplified X6( ] View group members GRPM GrpmO is the control or mix point..* In verbose modes 0 and 1, the response is simplified to *...* DMP 44 LC • SIS Programming and Control...

  • Page 56: Table 1. Level Control And Mix-Point Selection Tables

    To Output 2 60101 To Output 3 60102 To Output 4 60103 e Post-mixer Output Volume To Output 1 60000 To Output 2 60001 To Output 3 60002 To Output 4 60003 DMP 44 LC • SIS Programming and Control...

  • Page 57: Software Control

    , and provides remote control of the input gain and ® attenuation, output volume output adjustment, and other features. DSP Configurator can control the DMP 44 LC via any of the two control ports, RS-232 or USB. Updates to this program can be downloaded from the Extron website at www.extron.com.
  • Page 58 DSP Configurator C:\Program Files\Extron program files. When the DSP Configurator installation is complete, the USB Installer starts automatically. It is recommended to install the USB drivers whether they are used immediately or not. DMP 44 LC • Software Control...

  • Page 59: Install The Usb Driver

    Install the USB Driver To install the USB driver, follow these instructions. Figure 26. USB Installer Splash Screen After the DSP Configurator program installation is complete, click Next to proceed. Figure 27. USB Installation DMP 44 LC • Software Control...

  • Page 60: Dsp Configurator Program

    USB driver installation is complete. DSP Configurator Program Starting the Program To run the DSP Configurator Program, click Start > Programs > Extron Electronics > DSP Configurator > DSP Configurator. “Emulate Mode vs. The DSP Configurator program starts in mode (see...

  • Page 61: Using The Program

    In Emulate mode, audio parameters may be selected, then transferred to the DMP 44 LC by going to Live mode (while connected to a DMP 44 LC). See the following section. Audio settings can also be tailored while connected to the DMP 44 LC, allowing real-time auditioning of the audio output as adjustments are made.

  • Page 62: Emulate Mode Vs. Live Mode

    Live Emulate the program has established a connection and is synced with the DMP 44 LC. Changes affect the device in real-time and changes in the current state of the device are reflected in DSP Configurator. Emulate mode allows the user to work offline, creating or editing configurations that do not affect DMP 44 LC operation until they are uploaded to the device.

  • Page 63: Selecting Live Mode And Pushing Or Pulling A Configuration

    Extron USB device Click The Synchronize with Device dialog box appears. Proceed to step 5. Several options are now available for either configuring the DMP 44 LC or reconfiguring to suit current operating conditions. DMP 44 LC • Software Control...
  • Page 64 Pull radio button to overwrite the open file with the current device configuration, thenproceed to step 6. -or- Push radio button to overwrite the open file, then proceed to step 6. -or- Figure 31. Selecting Live Mode, continued DMP 44 LC • Software Control...
  • Page 65 Presets may be created in Live or Emulate modes. In Emulate mode, the preset or presets are created, saved to a file, then pushed to the DMP 44 LC when connecting in Live mode. When a Pull data synchronization is performed, preset data remains in the DMP 44 LC, with only the list of preset names pulled from the device.
  • Page 66 (which represent the current emulation) unaltered. The user clicks Recall to apply the viewed preset to the current emulation. The preset number reverts to “Current Emulation.” DMP 44 LC • Software Control...

  • Page 67: Save Preset

    Highlight the desired preset block by using left click, <Ctrl + left click>, <shift + left click> or drag around the desired blocks. Select Tools > Presets > Save Preset in the menu bar. DMP 44 LC • Software Control...
  • Page 68 In Emulate mode, the Recall action button applies the currently displayed preset elements (“marked” elements) from the file and overwrites the information contained in DSP Configurator as the current emulation, then switches the drop-down list to read “Current Emulation.” DMP 44 LC • Software Control...
  • Page 69 (it has not been recalled). Presets pushed to the device or created in DSP Configurator while in Live mode have no asterisk. Presets with no asterisk can be saved to disk. DMP 44 LC • Software Control...

  • Page 70: Push Configuration - Advanced, Push Presets, All

    This allows the user to push the currently open configuration, including all presets, to the DMP 44 LC or to customize the push to include either the configuration, selected presets, or both. To use the advanced push...
  • Page 71 Click Yes to save the currently open configuration to an existing file or to create a new one. The new configuration is pushed to the device. Click No to ignore the file changes. The currently open configuration is pushed to the DMP 44 LC. DMP 44 LC • Software Control...

  • Page 72: Push Configuration - Advanced, Push Presets, Selected

    Push Configuration - Advanced, Push Presets, Selected The next example shows how to customize a push to include only selected presets. Connect the DMP 44 LC as described by steps 1 to 4 in the previous procedure for switching from Emulate mode to Live mode (see “To switch from emulate mode to live...

  • Page 73: Reference Information

    Reference Information This section contains reference information for the DMP 44 LC, including: • Specifications Part Numbers and Accessories • • Mounting Firmware Loader • • DMP 44 LC Hardware Reset Modes Specifications Audio Gain ..........Unbalanced output: -6 dB; balanced output: 0 dB Frequency response ......
  • Page 74 Environmental ......Complies with the appropriate requirements of RoHS, WEEE MTBF ..........30,000 hours Warranty ........3 years parts and labor NOTE: All nominal levels are at ±10%. NOTE: Specifications are subject to change without notice. 8.0-083111-D4 DMP 44 LC • Reference Information...

  • Page 75: Part Numbers And Accessories

    60-604-11 RSU 126, Universal Rack Shelf Kit for 6" deep products 60-190-10 Mounting The 1U high, quarter rack width, 3-inch deep DMP 44 LC Digital Matrix Processor can be: • Set on a table, • Mounted on a rack shelf, •...

  • Page 76: Ul Rack Mounting Guidelines

    If rubber feet were previously installed on the bottom of the DMP 44 LC, remove QuarterRackStandardShelf them. Mount the DMP 44 LC on the rack shelf, using two 4-40 x 3/16 inch screws in opposite (diagonal) corners to secure the unit to the shelf. 1U Universal Rack Shelf...

  • Page 77: Furniture Mounting

    Install blank panesl or other units on the rack shelf. Furniture Mounting Furniture mount the DMP 44 LC using the optional mounting kit (Extron MBU 123, part number 70-212-01, as follows: Attach the selected mounting brackets with the machine screws provided.

  • Page 78: Firmware Loader

    The DSP Configurator program includes a firmware loader program which allows replacing the firmware without taking the DMP 44 LC out of service. Download the desired firmware file from the Extron website, (see the Firmware Upgrade Page on the website for instructions.)
  • Page 79 Locate the downloaded firmware file and click on it. Click Begin on the main screen. The total progress bar tracks the loading progress. When the upload is finished, exit the program by selecting File > Exit. The firmware upload is complete. DMP 44 LC • Reference Information...

  • Page 80: Dmp 44 Lc Hardware Reset Modes

    Event scripting does not start if the version if incompatibilty NOTE: After a mode 1 reset, DMP 44 LC is powered on in this issues arise with user- update the DMP 44 LC mode. All user files and settings loaded firmware.

  • Page 81: Extron Warranty

    Extron Electronics makes no further warranties either expressed or implied with respect to the product and its quality, performance, merchantability, or fitness for any particular use. In no event will Extron Electronics be liable for direct, indirect, or consequential damages resulting from any defect in this product even if Extron Electronics has been advised of such damage.

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