Shure DFR22 Bedienungsanleitung

Shure Prozessor DFR22

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Table of Contents

SECTION 1 Overview.................................................................... 5

Document Conventions ................................................................................5

Audio Processor Features............................................................................ 6

DFR22 Software Minimum Requirements .................................................... 7

Interface Modes............................................................................................7

Design Mode......................................................................................................... 7

Live Mode ............................................................................................................. 7

Preview Mode ....................................................................................................... 7

The Main Window.........................................................................................8

Title Bar ................................................................................................................ 8

Control Bar............................................................................................................ 9

Signal Flow Diagram............................................................................................. 9

Status Bar ........................................................................................................... 11

The “Processor Toolbox” ............................................................................ 11

SECTION 2 Start-up Guide.......................................................... 12

Install the Software .....................................................................................12

Establish Communication with the Device .................................................12

Configure External Control .........................................................................13

Create a Preset Template...........................................................................14

Manage Your Presets .................................................................................15

Establish Security.......................................................................................16

SECTION 3 Creating a Preset..................................................... 17

Signal Flow Configuration ..........................................................................17

Gain Structure..................................................................................................... 17

Muting Channels................................................................................................. 18

Labeling Inputs and Outputs............................................................................... 18

Signal Routing .................................................................................................... 19

Naming a Preset................................................................................................. 20

Processor Configuration......................................................................... 20

Processor Types ................................................................................................. 20

Adding Modular Processors................................................................................ 21

Copy and Paste .................................................................................................. 23

Deleting Processors from Slots .......................................................................... 23

Linking ................................................................................................................ 24

Bypassing ........................................................................................................... 25

Managing DSP Resources ................................................................................. 25

Default Presets...........................................................................................27

Preset One – [Dual Mono] .................................................................................. 27

Preset two – [Stereo] .......................................................................................... 27

Preset Three – [Dual Mono Split]........................................................................ 27

Table of Contents

SECTION 4 Preset and Device Management ......................... 28

Preset Files ................................................................................................28

Saving a New Preset to Your Computer.......................................................... 28

Revising Preset Files .......................................................................................... 28

Device Presets ...........................................................................................29

Store a Preset in the Device ............................................................................... 29

Rename a Preset................................................................................................ 30

Delete a Preset ................................................................................................... 30

Device Backup ...........................................................................................31

The Devices Menu .....................................................................................32

SECTION 5 Processor Features ................................................. 33

Faders ........................................................................................................33

Saving and Recalling Settings....................................................................34

Naming Processor Windows ......................................................................34

Snapshots ..................................................................................................35

Importing ASCII Files .................................................................................36

Saving Files in ASCII Format.............................................................................. 36

Import Controls and Features ............................................................................. 37

Combined Response Graph................................................................... 38

SECTION 6 Fixed Processors ................................................. 40

Input Gain...................................................................................................40

Matrix Mixer................................................................................................42

Output Gain................................................................................................44

SECTION 7 Modular Processors................................................. 46

Automatic Gain Control (AGC) ...................................................................46

Compressor/Limiter ....................................................................................50

Soft Knee Processors ......................................................................................... 53

Stereo Processors .............................................................................................. 54

Crossover/Splitter/Subwoofer.....................................................................55

Keyboard Controls .............................................................................................. 59

Cut and Shelf Filters...................................................................................60

Fine Tuning Parameters ..................................................................................... 62

Copy and Paste .................................................................................................. 63

Delay ..........................................................................................................64

Digital Feedback Reducer (DFR) ........................................................... 66

Basic DFR Setup ................................................................................................ 69

Filter Allocation ................................................................................................... 69

High Q Filters and Low Q Filters......................................................................... 70

Adding, Modifying, and Removing Filters ........................................................... 70

Copy and Paste .................................................................................................. 71

Auto Clear........................................................................................................... 71

SECTION 1 Overview

The DFR22 Audio Processor with Feedback Reduction is a 2-input, 2-output digital audio processor. It is ideal for installed

sound reinforcement applications, such as houses of worship, theaters, and meeting facilities. The DFR22 is also a power-

ful setup tool in live music applications. Using the DFR22's drag-and-drop graphical user interface, processors can be

placed anywhere in the signal path. The 2-by-2 matrix mixer allows either or both inputs to be routed to either or both out-

puts, with additional controls for levels and polarity.

Document Conventions

The DFR22 software interface is so intuitive and user friendly that you may be tempted to skip reading this document and

immediately begin programming the unit. Before you do, however, you should at least skim this overview, then thoroughly

read the Start-up Guide on page 12. Any questions you have about the software will be answered in the following sections

of the document.

How this Guide is Organized

•Overview . . . . . . . . . . .Introduces the main features of the Audio Processor, and discusses the operating

modes of the interface and the main window.

•Start-Up Guide. . . . . . .Covers the basic steps you need to follow with the software to set up the Audio Pro-

cessor for an installation.

•Creating a Preset. . . . .Covers the elements of a DFR22 signal flow configuration, such as the gain structure

of the device, routing signal from inputs to outputs, adding processors to the signal path, and working with

them in the main window.

•Preset and Device Management . Explains how to save a preset to the computer, store it in the DFR22, and

backup the contents of the device to computer. It also covers the features of the [Device] menu.

•Processor Features. . .Covers the features that are common among many of the signal processor modules,

such as fader controls, taking snapshots of parameter settings, and saving and recalling settings to and from

the computer.

•Fixed Processors . . . .Explains the features of the input and output gain blocks and the matrix mixer.

•Modular Processors . .Explains the features specific to each of the drag-and-drop signal processors.

•Control Pins. . . . . . . . .Describes the internal architecture of the Audio Processor's external device control

feature and explains how to configure the DFR22's control pins with the software once the external hardware

has been connected.

•Security . . . . . . . . . . . .Covers the security features of the Audio Processor that restrict user access to device

settings and front panel controls.

Notation Conventions

•Text in [brackets]. . . . . Denotes literal text in the software interface, such as control labels, buttons, or menu

commands.

•Keyboard keys. . . . . . .Such as Shift,Ctrl, and Esc appear in bold face. When you need to press key combi-

nations, or keys in combination with a mouse click, the plus sign is used like this: Ctrl + Click.

The Main Window

This window, shown below in Figure 1-1, is your primary work space in the software interface. You can size it propor-

tionally larger, or maximize it to take up your entire screen. Closing this window exits the application.

1. Title Bar: Displays device-specific information in Live

Mode. Refer to the section below for further description.

2. Main Menu: Provides access to menu commands spe-

cific to the device and the signal flow diagram.

3. Control Bar: Displays controls specific to the device and

the signal flow diagram. Refer to the section on the follow-

ing page for more information.

4. Signal Flow Diagram: The space in which you create

presets. Refer to the section on the following page for more

information.

5. Status Bar: Displays controls and indicators for the signal

flow diagram. Refer to the section on page 11 for more

information.

Title Bar

The information on the title bar of this window changes depending upon the operating mode. In Design Mode

the title bar reads, “DFR22: Offline,” and indicates the default security level. In Live Mode, it displays informa-

tion specific to the unit to which you are connected, as illustrated below in Figure 1-2.

1. Device ID: The device ID is specified by setting the DIP

switches on the back of the device. Refer to the Installation

Guide for instructions.

2. Device Name: To name the device, in Live Mode select

[Devices>Name Device] from the main menu. For more

information refer to the Start-Up Guide, step 5 on page 13.

3. Security Level: In Live Mode this indicates the current

security level set for the device. For more information, refer

to the Security section on page 98.

FIGURE 1-1: Main Window

FIGURE 1-2: Title Bar

123

The “Processor Toolbox”

Status Bar

This is the bottom section of the “Main Window.”

1. Mute Inputs: Click this control to instantly mute both

input channels.

2. Mute Outputs: Click this control to instantly mute both

output channels.

3. DSP Usage Meter: This indicates the percentage of the

DFR22's digital signal processing resources that is used by

the current configuration of processor blocks that you have

placed in the signal flow diagram. The meter displays a

green bar that expands as DSP usage increases

4. Delay Memory Meter: This indicates the percentage of

delay memory that is used by the delay processors you

have placed in the signal flow diagram. The meter displays

a blue bar that expands as usage increases.

The “Processor Toolbox”

The “Processor Toolbox” appears next to the main window when you launch the application, as shown in Figure 1-6.

This window displays the library of processors that you can drag and drop onto empty slots in the signal flow diagram.

It can be resized vertically by dragging the top or bottom edge up or down. A scroll bar appears on the right-hand side

so you can access every processor block, regardless of the height of the window.

Showing and Hiding

You can close the “Processor Toolbox” by clicking on the [X] in the right-

hand corner of the title bar, or by selecting [View>Show Processor Tool-

box] from the main menu. To re-open the “Processor Toolbox,” select

[View>Show Processor Toolbox] again. A check mark appears next to the

menu option when the “Processor Toolbox” is open.

Features

1. Drop-Down Buttons: A drop-down button appears over each proces-

sor category in the “Processor Toolbox.” Click on a drop-down button

to show or hide all processor blocks within that category.

2. Processor Blocks: Processor blocks are the graphical representation

of processor modules. After you place them on the signal flow diagram,

you can access their settings by double-clicking on each block to open

its parameter window. The percentage of digital signal processing re-

sources that each processor module uses is displayed to the right of

the blocks in the “Processor Toolbox.”

12 3 4

FIGURE 1-5: Status Bar

FIGURE 1-6: The “Processor Toolbox”

Create a Preset Template

This can be done in either Live Mode or Design Mode. When you are storing multiple presets in the Audio Processor, you

will save considerable time by creating a preset template that contains the attributes that will be common among them. This

template can then be recalled from the device or opened from a PC, revised as necessary, then stored in the device each

time as a new preset.

1. Select a Preset Template

When you start the DFR22 application there is a blank preset in the signal flow diagram. If you would like to use

one of the other default presets as a template, select [File>New] from the main menu and then select [Dual Mono],

[Stereo], or [Dual Mono Split]. You can also go to Live Mode and select one of the pre-loaded presets to edit. For

more information, refer to the Default Presets section on page 27.

2. Name Input and Output Channels

Double-click on the input and output gain blocks to open the processor parameter windows, and edit the channel

labels that appear underneath the gain controls. For more information, refer to the Labeling Inputs and

Outputs section on page 18.

3. Populate the Signal Flow Diagram

Drag and drop signal processor blocks from the “Processor Toolbox” onto the signal flow diagram. If you are using

a crossover, it should be the first type of processor that you place in the configuration, followed by limiters, in order

to prevent loudspeaker damage. For more information, refer to the Adding Modular Processors section on

page 21.

4. Create Link Groups

Ctrl + Click to select multiple processors of the same type that you would like to control as a group, for stereo

pairs, loudspeaker clusters, zones, etc. You can also link gain blocks in order to control overall system level. Select

[Processor>Link] from the main menu. For more information, refer to the Linking section on page 24.

5. Engage Pads on Outputs

You may need to engage the 12dBor 18dB pad to better align the output clipping level of the DFR22 with the input

clipping level of the equipment to which it is connected. Double-click on an output gain block to open the “Output

Gain” window and click to activate each pad as needed.

6. Route Signal From Inputs to Outputs

Click and drag from input strip connection points to output strip connection points to route the signal through the

matrix mixer. For more information, refer to the Signal Routing section on page 19.

7. Adjust Processor Settings

Double-click on each processor block to open its parameter window. If you are working off-line in Design Mode,

you can set preliminary levels and tweak them later when you are connected to the device. For more information

on working with processors, refer to the Processor Features section on page 33, as well as the reference section

for each processor.

8. Map the Preset to Control Connections

This step is applicable only when you are controlling gain and/or channel muting via the control pins. Select

[Devices>Control Pin Configuration] from the main menu to open the “Control Pins” window. Select [Configura-

tion>Recall From Device] to populate the window with the current pin configuration. The input and output channels

Signal Flow Configuration

4. Type in a new label of no more than fifteen characters.

5. Apply the changes by clicking on another control or closing the window.

Signal Routing

The DFR22 allows you to route signal from either of the two inputs to either or both of the outputs. In order for sig-

nal to pass from the input channel strips to the output channel strips, it must be routed through the matrix mixer.

You can connect inputs to outputs using any of the methods described below.

Making Connections in the Signal Flow Diagram

For simple system configurations, the easiest way to connect inputs to outputs is to use the mouse in the sig-

nal flow diagram.

Click on Mix Points:

1. Click on an input mix point.

2. The cursor will change to indicate it’s waiting

for you to specify an output connection:

3. Click on an output mix point.

Click and Drag Between Mix Points:

1. Click and drag from an input mix point to an output mix point.

2. A connection line will appear along the signal path. It turns green when the connection is valid.

3. Release the mouse button to make the connection.

Click on the Input Selectors:

1. Click on an output channel's numbered input selector for the corresponding

input channel.

2. A connection line will appear in the signal flow diagram between the mix points, and

the numbered input selector will be highlighted.

Making Connections in the “Matrix Mixer” Window

For more complex configurations with many crossing connection lines, the “Matrix Mixer” window can provide

an easier method of connecting inputs to outputs.

To make connections in the “Matrix Mixer” window:

1. Double-click on the mix block for the output you wish to connect.

2. The “Matrix Mixer” window opens.

3. In the left side of the window, click the input button for each input channel you wish to connect to the

selected output. The input button lights green when a connection is made.

4. A connection line will appear in the signal flow diagram between the mix points, and the numbered input

selector will be highlighted for each active connection.

Deleting Connections

•Click on a connection line and press the Delete key.

•Click on the input selector corresponding to the connection. This toggles the connection off.

•Click on a connection line and use the right-click contextual menu.

•Select multiple connections by holding down the Ctrl key while clicking on the connections, then press the

Delete key.

Tip! You can use the Esc key to cancel a connection if you change your mind after you have

clicked on an input mix point, before you click on an output mix point.

Processor Configuration

Replacing Processors

Only one processor block at a time can occupy a given slot. To replace an existing processor with another, first

delete it from the slot then add the new processor using any of the methods described above.

The Crossover, Splitter, and Subwoofer

Since they are output processors, the crossover, splitter, and subwoofer can only be placed on output chan-

nel strips. They can be added to output strips like any other processor block, but you must take into account

the following:

•The crossover extends downward to span both outputs, so you must place it on channel one.

•The mix point will disappear from the second channel after the crossover is placed above it.

•Processor slots will disappear from the second channel, to the left of the crossover block.

•The splitter will affect the signal diagram as listed above for the crossover.

The Ducker

The ducker should be placed only on the input channel strip that carries the paging signal. You are restricted

from placing a ducker on an output strip.

Copy and Paste

The traditional copy, cut and paste commands function only on the modular processor blocks. This is a convenient

way to duplicate processor blocks along with their settings across multiple channels.

To copy and paste a processor block:

1. Point and click to select a processor block.

2. Select the copy command using one of the following methods:

•Use the right-click contextual menu.

•Select [Edit>Copy] from the main menu.

•Press Ctrl + C on the keyboard.

3. Point and click to select an empty slot.

4. Select the paste command using either the main menu, the right-click menu, or press Ctrl + V.

Deleting Processors from Slots

Modular processor blocks can easily be removed from a configuration without affecting any other aspect of the

signal flow.

To delete a processor block:

1. Point and click to select a processor block.

2. Select the delete command using one of the following methods:

•Use the right-click contextual menu.

•Select [Edit>Delete] from the main menu.

•Press the Delete key.

Note: If your configuration calls for a crossover or splitter, it should be added to the signal

flow diagram before you connect mix points or add other processors to the output

channel strips.

Note: These commands do not function with multiple selections.

SECTION 4 Preset and Device Management

In Design Mode after you create a preset, you can save it either to the computer, or to the device, depending on whether or

not you are connected to the DFR22. At any time, one and only one preset is active in the DFR22. This preset is referred to

as the live preset. When you are in Live Mode, the preset you are viewing or modifying is the current live preset. You can

save it to the PC at any time by clicking the [Save As] button on the control bar of the main window.

Preset Files

You can design an entire library of presets with the DFR22 software without being connected to the device. Presets saved

to PC can be later recalled, revised, and then sent to the device. They are saved with a “.d22” file extension.

Saving a New Preset to Your Computer

If you are not connected to the device, you will be saving each new preset to the computer.

To save a new preset to the computer:

1. In the main window, select [File>Save As] from the main menu or click the [Save As] button on the

control bar.

2. The “Save As” dialog will appear.

3. Navigate to the drive and directory location for the new file.

4. Type in a file name and, optionally, a description.

5. Click [Save].

Revising Preset Files

When you make changes to an existing preset, you can either save it to PC with a different file name, or overwrite

the previous version.

To revise a preset stored on the computer:

1. In the main window, select [File>Open File] from the main menu or click the [Open] button on the control bar.

2. The “Open” dialog will appear.

3. Navigate to the drive and directory location of the preset file you wish to open.

4. Click on the file to select it, then click the [Open] button.

5. Make the necessary changes.

6. Select [File>Save As] from the main menu or click the [Save As] button on the control bar.

7. The “Save As” dialog will appear.

8. Click on the original file name to select it, then click [Save].

9. A dialog box will appear that prompts you to verify that you want to overwrite the previous preset file.

10. Click [Yes] to overwrite the file.

Note: The first fifteen characters of the file name and the first 80 characters of the description

appear in the information box on the control bar.

Produktspezifikationen

Marke:	Shure
Kategorie:	Prozessor
Modell:	DFR22

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