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5 - Effects
Core Effects Descriptions
90 Creative Professional
RFX Compressor
The RFX Compressor is a full-featured stereo compressor effect which features the standard
parameters available on most compressors as well as a collection of additional advanced
parameters that are useful for more sophisticated applications and special effects:
• Threshold, Ratio, Attack and Release w/gain metering
•Auto-makeup gain
•Adjustable soft knee
•Adjustable lookahead/delay
• Noise gate (downward expander)
• Compressor “tail” expansion
• Program-dependent release
• Negative compression ratios
Signal Flow
The block diagram of the RFX Compressor is shown below.
Note that the effect is split between a signal path and a sidechain path that contains the
compressor's level detectors and gain computation. The signal path of the RFX
Compressor is very close to a “straight wire”, with only a delay line and one gain control
element inserted in it. The sidechain contains the bulk of the compressor algorithm and
is responsible for computing the gain control signal. Signal multiplexers at the front of
the signal path and sidechain allow linked stereo compression or split signal path/
sidechain processing.
The RFX Compressor does not have the input gain control that is found on some
compressors. These are typically used to align the input signal range to the compression
threshold. Instead, we've allowed the RFX Compressor's Threshold parameter to operate
over an exceptionally large range of 0-60dB so that it can be “steered” to the appropriate
range of the input signal. The output Gain parameter also operates - either manually or
automatically - over the unusually large range of -60dB to +60dB in order to renor-
malize the compressor's output for the next stage of the signal path.
In L
In R
Out
L
R
Out
Compressor
Lookahead
0-100mS
Compressor
Delay
Attack
Auto Release
Release
Soft
Knee
Max.
Comp.
Neg.
Comp.
Compressor
Delay
0-50mS
Level
Detector
Gain
Control
Threshold Ratio Gain
Gate
(& Sidechain)
Input
Mode
Gain
Cells
SIGNAL PATH
SIDECHAIN
- Owner’s ManualOwner’s Manual 1
- E-MU 1820 2
- - 1820 - 1212 2
- Digital Audio System 2
- Table of Contents 3
- Creative Professional 5 5
- Creative Professional 7 7
- 1- Introduction 9
- E-MU 1212M System 10
- E-MU 1820 System 10
- E-MU 1820M System 10
- 2 - Installation 11
- Connector Types 12
- Figure 1 Figure 2 13
- Figure 3 Figure 4 14
- AudioDock Owners only 15
- Rack Mounting the AudioDock 16
- Software Installation 17
- 18 Creative Professional 18
- 3 - PCI Card & Interfaces 19
- The 0202 Daughter Card 20
- The AudioDock 21
- Front Panel Connections 22
- Rear Panel Connections 24
- MIDI 2 In/Out 25
- EDI Connector (Card) 25
- The Sync Daughter Card 26
- 4 - The PatchMix DSP Mixer 27
- Mixer Window 28
- Mixer Block Diagram 28
- The Toolbar 29
- The Session 30
- Open Session 31
- Save Session 31
- Session Settings 31
- Using External Clock 32
- MIDI Settings 32
- Consumer 33
- Professional 33
- Input Mixer Strips 35
- Mixer Strip Creation 36
- Multichannel WAVE Files 37
- Insert Section 38
- From Left Input 39
- Recording 39
- Application 39
- Outboard Signal Processor 40
- Recording Playback 41
- 10203040506070 42
- E-MU Digital Audio System 43 43
- Trim Pot Insert 44
- Managing Your Inserts 45
- (Post-Fader Aux Sends) 46
- Pre-Fader Aux Send 47
- Post-Fader Aux Send 47
- Main Section 49
- TV Screen & Selectors 50
- Output Section 53
- 54 Creative Professional 54
- FX Insert Chains 56
- The Order of Effects 57
- To Import Core FX Presets 58
- FX Edit Screen 59
- Click here for Edit Menu 60
- Click here to Select Presets 60
- To Delete a User Preset 61
- To Rename a User Preset 61
- List of Core Effects 62
- Core Effects Descriptions 63
- Frequency 64
- Low Shelf Mid Band High Shel 64
- 4-Band EQ 65
- Auto-Wah 66
- Compressor 67
- Basic Controls 68
- Signal path = Stereo 69
- Feedback 70
- Freq Shifter 71
- Leveling Amp 72
- Early Reflections 73
- Reverberation 73
- 74 Creative Professional 74
- Phase Shifter 75
- Speaker Simulator 76
- Late Reverb 78
- Phoneme A 79
- Phoneme B 79
- Applications 80
- Parameters 81
- Level Meter 82
- Gain Reduction Meter 82
- Reshaper 83
- Multimode EQ 86
- Highpass 87
- Highpass -> Lowpass 88
- Highpass 88
- Band Pass 89
- Band Cut 89
- RFX Compressor 90
- Advanced Parameters 92
- Soft Knee 92
- Lookahead Delay 94
- Uncompressed Waveform 95
- Program-Dependent Release 95
- Short Release 95
- Longer Releas 95
- Max. Compression 96
- Creating a Ducker 97
- Example Settings 98
- E-MU Digital Audio System 99 99
- Creating a De-esser 100
- E-MU PowerFX 101
- Setup Cubase LE 102
- Delay Compensation 102
- Automating E-MU PowerFX 103
- 5 - Effects 104
- 104 Creative Professional 104
- E-MU Digital Audio System 105 105
- E-MU E-Wire VST 106
- E-Delay Compensator 107
- Cubase VST or Cubasis 108
- PatchMix 108
- Grouping Tracks 109
- 110 Creative Professional 110
- Headphone 111
- Out is permanently 111
- 96kHz mode 111
- • ADAT Inputs 112
- • Line Inputs 2 and 3 112
- (2-chan ADAT) 113
- Line Inputs 1 & 3 enabled 114
- 6 - Using High Sample Rates 116
- Overview 116
- 116 Creative Professional 116
- 7 - Appendix 117
- SMPTE Modes of Operation 118
- SMPTE Background 119
- Why use SMPTE? 120
- Striping SMPTE 120
- Avoiding SMPTE problems 120
- Example SMPTE Connection 121
- MIDI Time Code (MTC) 122
- Word Clock In/Out 122
- SYNC CARD 123
- E-MU 1010 CARD 123
- Digital Mixer 123
- ADAT Optical 123
- Getting in Sync 124
- OutputInput 125
- Digital Cables 126
- Grounding 126
- Phantom Power 126
- Technical Specifications 127
- Specifications: 1820M System 128
- Specifications: 1820 System 130
- Specifications: 1212 System 133
- Dimensions & Weight 134
- Internet References 135
- Declaration of Conformity 136
- Compliance Information 137
- 138 Creative Professional 138
- Numerics 139
- 140 Creative Professional 140
- 142 Creative Professional 142
- 144 Creative Professional 144
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