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Sidechain, Threshold, Ratio

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126 Chapter 8-Component Guide Part I The Stereo Compander control window features a gain reduction (GR) meter, compander curve, output level meters, and compander controls. The gain reduction (GR) meter displays the amount of gain reduction being applied by the Compander. The compander curve displays the effect of the Compander. The vertical axis corresponds to the output signal level, while the horizontal axis corresponds to the input signal level. A 45-degree line means that the input signal level equals the output signal level, in other words, the Compander is having no effect. The output meter displays the level of the output signal. Parameter Range Description MUTE ON/OFF SIDECHAIN THRESHOLD RATIO WIDTH ATTACK RELEASE ON/OFF ON/OFF ON/OFF -54 dB to 0 dB 1:1 to 20:1 1 dB to 90 dB 0 ms-120 ms 1 Mutes the output Turns the component on and off Selects the sidechain input as the trigger source Adjusts the threshold level Adjusts the compression ratio Adjusts the expander width Adjusts the attack time Adjusts the release time GAIN -18 dB to 0.0 dB Adjusts the output gain 1. 5 ms-42.3 sec (fs = 48 kHz), 6 ms-46.0 sec (fs = 44.1 kHz) SIDECHAIN-When SIDECHAIN is off, the Compander is triggered by the input signal. On the Stereo Compander, the trigger signal is derived by mixing the signals from both inputs, so the higher of the two input signals will activate the Compander. When SIDECHAIN is on, the Compander is triggered by the signal connected to the sidechain input. THRESHOLD-This determines the level of the trigger signal at which compression and expansion are applied. Trigger signals at a level below the sum of the threshold and width cause the expander to attenuate the input signal. Trigger signals above the threshold cause the compressor to compress the input signal by the amount speciﬁed using the Ratio parameter. RATIO-This determines the amount of compression. That is, the change in output signal level relative to the change in trigger signal level. For a 2:1 ratio, for example, a 10 dB change in trigger level (above the threshold) results in a 5 dB change in output level. For a 5:1 ratio, a 10 dB change in trigger level (above the threshold) results in a DME32-Owner's Manual

Section	Page
Important Information	3
Contents	6
1 Welcome	10
Welcome	11
The DME32 in a Nutshell	11
DME32 Features	13
DME Manager Features	15
About this Manual	16
Installing the DME32	16
2 Getting Started	17
First Steps	18
Connecting to a PC	18
Connecting the Power Cord	19
Turning On & Off the DME32	19
Installing DME Manager	20
Upgrading & Reinstalling DME Manager	20
Starting DME Manager	20
Quitting DME Manager	21
DME Manager & Windows	21
Installing the USB Driver	21
Checking the Driver is Installed Correctly	22
USB Operating Notes	22
3 Touring the DME32	23
Front Panel	24
Rear Panel	27
4 Touring DME Manager	29
Modes	30
Main Window	31
Configuration Windows	34
Components	38
Component Control Windows	39
Run Mode Controller	41
Other Windows	41
Touring the Menus	42
Component List	48
Tool Palette	49
Alt Menu	49
Keyboard Shortcuts	50
5 Building Configurations	51
How to Build & Edit Configurations	52
Selecting Edit Mode	53
Opening New Configuration Windows	53
Opening Saved Configurations	54
Selecting Open Configuration Windows	54
Adding Components	55
Editing Components	56
Aligning Components to the Grid	57
Zooming Configuration Windows	58
Selecting Cable Mode	59
Adding Wires	59
Deleting Wires	64
Working with MultipleUnit Configurations	66
Resizing Sections of the Configuration Window	67
Saving Configurations	68
Saving Configurations under a New Name	68
Closing Configurations	68
Compiling Configurations	69
Sending Configurations to the DME32	70
Receiving Configurations from the DME32	71
6 Running the System	72
Selecting Run Mode	73
Run Mode Controller	74
Editing Component Parameters	76
Storing Scenes	77
Recalling Scenes	79
Recalling Configurations	81
7 Other DME Designer Functions	82
Editing Scenes Offline	83
Linking Component Parameters	85
Customizing Component Properties	87
Changing the Size of Rotary Controls & Sliders	89
Using Password Protection	90
Assigning the User Define Button	93
Printing	94
8 Component Guide Part I	95
Automatic Mixer	96
Cascade	98
Crossover	99
Crossover Processor	108
Delay	126
Delayed Mixer	128
Dynamics	131
9 Component Guide Part II	146
Effect	147
EQ	167
Fader	170
Filter	171
Input/Output	175
Matrix Mixer	176
Meter	179
Misc	180
Pan	183
Router	192
Switch	194
User Control	195
User Module	198
10 Front Panel Operation	202
Recalling Configurations	203
Storing Scenes	204
Recalling Scenes	205
Editing Parameters & the User Define Button	206
Restricting Access to the DME32	208
Selecting the Wordclock Source	214
Checking the I/O Slots	215
Initializing the DME32	215
Checking the Firmware Version & Battery	215
11 GPI Interface	216
About the GPI Interface	217
GPI Connectors	217
Assigning GPI Inputs	219
Assigning GPI Outputs	222
Emergency Mode	225
12 PC Cards	226
PC Cards & the DME32	227
Inserting & Ejecting PC Cards	227
Formatting PC Cards	228
Saving Configurations to PC Cards	229
Loading Configurations from PC Cards	230
Deleting Configurations from PC Cards	231
13 Wordclocks	232
Wordclocks & the DME32	233
Wordclock Connections	234
Selecting the Wordclock Source	234
Wordclock Hookup Examples	236
Terminating BNC Wordclock Distribution	239
14 Multiple DME32s	240
About Multiple DME32s	241
MultipleUnit System Notes	241
Cascade Connections	242
Multipleunit Hookup Examples	243
15 MIDI	245
MIDI & the DME32	246
MIDI Ports	246
MIDI Settings	246
Assigning Scenes & Configurations to Program Changes	248
Assigning Component Parameters to Control Changes	250
Component Parameters & Parameter Changes	252
Saving MIDI Settings	253
Loading MIDI Settings	254
Deleting MIDI Settings	254
16 I/O Options	255
I/O Options & the DME32	256
I/O Card Specifications	257
Choosing I/O Cards	257
Installing I/O Cards	259
AD824 & DA824 Converters	260
Troubleshooting	264
DME32	264
DME Manager	266
Appendix A: General	267
Component Title Table	267
DME32 Error Messages	272
DME Manager Error Messages	273
Appendix B: Specifications	275
Specifications	275
Control I/O	276
Connector Pin Assignments	276
DME32 Dimensions	279
Appendix C: MIDI	280
Program Change Assign Table	280
Control Change Assign Table	281
MIDI Data Format	284
Glossary	287
Index	289

Match case Limit results 1 per page

126

Chapter 8

—

Component Guide Part I

DME32

—

Owner

’

s Manual

The Stereo Compander control window features a gain reduction (GR) meter, com-

pander curve, output level meters, and compander controls.

The gain reduction (GR) meter displays the amount of gain reduction being applied by

the Compander. The compander curve displays the effect of the Compander. The ver-

tical axis corresponds to the output signal level, while the horizontal axis corresponds

to the input signal level. A 45-degree line means that the input signal level equals the

output signal level, in other words, the Compander is having no effect. The output

meter displays the level of the output signal.

SIDECHAIN

—

When SIDECHAIN is off, the Compander is triggered by the input sig-

nal. On the Stereo Compander, the trigger signal is derived by mixing the signals from

both inputs, so the higher of the two input signals will activate the Compander. When

SIDECHAIN is on, the Compander is triggered by the signal connected to the sidechain

input.

THRESHOLD

—

This determines the level of the trigger signal at which compression

and expansion are applied. Trigger signals at a level below the sum of the threshold and

width cause the expander to attenuate the input signal. Trigger signals above the thresh-

old cause the compressor to compress the input signal by the amount speci

ﬁ

ed using

the Ratio parameter.

RATIO

—

This determines the amount of compression. That is, the change in output

signal level relative to the change in trigger signal level. For a 2:1 ratio, for example, a

10 dB change in trigger level (above the threshold) results in a 5 dB change in output

level. For a 5:1 ratio, a 10 dB change in trigger level (above the threshold) results in a

Parameter

Range

Description

MUTE

ON/OFF

Mutes the output

ON/OFF

Turns the component on and off

SIDECHAIN

ON/OFF

Selects the sidechain input as the trigger source

THRESHOLD

–

54 dB to 0 dB

Adjusts the threshold level

RATIO

1:1 to 20:1

Adjusts the compression ratio

WIDTH

1 dB to 90 dB

Adjusts the expander width

ATTACK

0 ms

–

120 ms

Adjusts the attack time

RELEASE

5 ms

–

42.3 sec (fs = 48 kHz), 6 ms

–

46.0 sec (fs = 44.1 kHz)

Adjusts the release time

GAIN

–

18 dB to 0.0 dB

Adjusts the output gain