User Manual

ALF-DSP 88-U
-2-
Table of Contents
1. Hardware.............................................................................................. 5
1.1 Safety Instructions .................................................................................................................................... 5
1.2 Audio Wiring Reference............................................................................................................................ 6
1.3 Specifications............................................................................................................................................ 7
1.4 Mechanical................................................................................................................................................ 8
1.5 Front Panel ............................................................................................................................................... 8
1.6 Rear Panel ................................................................................................................................................ 8
2. Technology Overview .......................................................................... 9
2.1 Introduction to DSP Technology............................................................................................................... 9
2.2 Audio Input Section .................................................................................................................................. 9
2.3 Audio Output Section............................................................................................................................ 100
2.4 Floating Point DSP ............................................................................................................................... 111
2.5 Audio Flow ............................................................................................................................................ 122
2.6 Typical System Application .................................................................................................................. 133
3. Software ........................................................................................... 133
3.1 Software Installation ............................................................................................................................. 133
3.2 Using the Software ................................................................................................................................. 14
3.3 Module Editing …………………………………………………………………………………………………………….…………14
3.4 Audio Module Parameters ...................................................................................................................... 15
3.4.1 Input Source .................................................................................................................................. 155
3.4.2 Expander ....................................................................................................................................... 166
3.4.3 Compressor & Limiter ...................................................................................................................... 17
3.4.4 Automatic Gain Control
................................................................................................................... 18
3.4.5 Equalizers ........................................................................................................................................ 19
3.4.6 Graphic Equalizer.…………………….…………………………………………………………….……..20
3.4.7 Feedback Suppressor ..................................................................................................................... 21
3.4.8 Noise Gate ................................................................................................................................... 2422
3.4.9 Ducker ........................................................................................................................................... 243
3.4.10 Ambient Noise Compensation (ANC).......................................................................................... 243
3.4.11 AutoMixer....................................................................................................................................... 24
3.4.12 Acoustic Echo Cancelation............................................................................................................ 26