用户手册 — Behringer SNR2000

目录

• 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 Operation of the filter section

  9
• 2.1.1 The masking effect

  9
• 2.1.2 The dynamic low-pass filter

  9
• 2.2 The TAC filter of the DENOISER

  10
• 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
• 2.3 Operation of the expander section

  12
• 2.4 The IRC expander of the DENOISER

  13
• 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
• 3.1 Initial settings of the DENOISER

  15
• 3.2 Studio applications

  16
• 3.2.1 Noise reduction during playback

  16
• 3.2.2 Noise reduction during recording

  16
• 3.2.3 Reducing noise on subgroups, monitor and effects buses

  17
• 3.2.4 Noise reduction for effects devices

  18
• 3.2.5 Noise reduction during tape duplication

  18
• 3.2.6 Noise reduction for instruments

  18
• 3.2.7 Reducing noise in P.A. systems

  19
• 3.2.8 Noise reduction in Hi-Fi and video applications

  19
• 4. TECHNICAL BACKGROUND

  20
• What are audio dynamics?

  20
• Compressors/limiters

  21
• Expanders/noise gates

  21
• Downward expansion

  22
• Noise as physical phenomenon

  22
• Companders

  22
• The “single-ended” principle

  23
• 5. INSTALLATION

  23
• 5.1 Rack mounting

  23
• 5.2 Audio connections

  23
• 6. SPECIFICATIONS

  24
• 7. WARRANTY

  26