TABLE OF CONTENTS
1. INTRODUCTION .....................................................................................................................6
1.1 The design concept ......................................................................................................................... 6
1.2 Before you begin ............................................................................................................................. 7
1.3 Control elements ............................................................................................................................. 7
1.3.1 Front panel ........................................................................................................................... 8
1.3.2 Rear panel ............................................................................................................................ 8
2. OPERATION ............................................................................................................................9
2.1.1 The masking effect ................................................................................................................ 9
2.2.1 SENSITIVITY control ............................................................................................................ 11
2.2.2 CUT OFF control .................................................................................................................. 11
2.2.3 RELEASE control ................................................................................................................ 11
2.2.4 AUTO switch ....................................................................................................................... 12
2.2.5 FREQUENCY meter ........................................................................................................... 12
2.4.1 THRESHOLD control .......................................................................................................... 14
2.4.2 RELEASE control ............................................................................................................... 14
2.4.3 RATIO control ..................................................................................................................... 14
2.4.4 GAIN REDUCTION meter .................................................................................................... 14
2.5 The COUPLE function ................................................................................................................... 15
3. APPLICATIONS ..................................................................................................................... 15
3.2 Studio applications ........................................................................................................................ 16
4. TECHNICAL BACKGROUND .............................................................................................. 20
4.1 What are audio dynamics? ........................................................................................................... 20
4.2 Compressors/limiters .................................................................................................................... 21
4.3 Expanders/noise gates ................................................................................................................. 21
4.4 Downward expansion .................................................................................................................... 22
4.6 Companders ................................................................................................................................. 22
5. INSTALLATION ..................................................................................................................... 23
5.1 Rack mounting .............................................................................................................................. 23
5.2 Audio connections ........................................................................................................................ 23
6. SPECIFICATIONS ................................................................................................................. 24
7. WARRANTY ........................................................................................................................... 26
DENOISER SNR2000
5