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TABLE OF CONTENT
1. INTRODUCTION.....................................................................................................................8
1.1Technical Background .....................................................................................................................9
1.1.1Noise As A Physical Phenomenon.......................................................................................9
1.1.2What Are Audio Dynamics? ..................................................................................................9
1.1.3Compressors/Limiters .......................................................................................................... 11
1.1.4Expanders/Noise-Gates .......................................................................................................11
2. THE DESIGN CONCEPT .....................................................................................................12
2.1High Quality Components And Design..........................................................................................12
2.2Inputs And Outputs.......................................................................................................................12
2.2.1Balanced Inputs And Outputs.............................................................................................12
2.2.2Transformer Balanced Outputs (Optional)............................................................................12
3. INSTALLATION .....................................................................................................................13
3.1Rack Mounting ..............................................................................................................................13
3.2Mains Voltage...............................................................................................................................13
3.3Audio Connections ........................................................................................................................13
3.4Selecting The Operating Level .......................................................................................................14
4. CONTROLS ..........................................................................................................................15
4.1Expander/Gate Section .................................................................................................................15
4.2Compressor Section.....................................................................................................................16
4.3Dynamic Enhancer Section ...........................................................................................................17
4.4Rear-Panel Control Elements Of The AUTOCOM PRO ..................................................................17
5. APPLICATIONS .....................................................................................................................19
5.1Compression/Levelling/Limiting/Clipping ........................................................................................19
5.2Expander/Gate Section .................................................................................................................19
5.2.1Controlling Leakage In The Studio .......................................................................................20
5.2.2Initial Settings For The Expander/Gate Section ...................................................................21
5.2.3Reducing Leakage In Stage Mics........................................................................................21
5.2.4Reducing Feedback In Stage Mics......................................................................................21
5.2.5Noise Reduction On Effects Paths ......................................................................................21
5.2.6Creative Use Of The Expander/Gate Section .......................................................................22
5.3Compressor Section.....................................................................................................................22
5.3.1Initial Settings For The Compressor Section.......................................................................23
5.3.2The AUTOCOM PRO As A Sound Effects Unit...................................................................23
5.3.3The Muffling Effect Of A Compressor................................................................................23
5.4Dynamic Enhancer Section ...........................................................................................................24
5.4.1Initial Settings For The Dynamic Enhancer Section.............................................................25
6. SPECIAL APPLICATIONS ....................................................................................................26
6.1Using The AUTOCOM PRO For Recording And Cassette Duplication...........................................26
6.1.1The AUTOCOM PRO In Digital Recording And Sampling....................................................26
6.1.2The AUTOCOM PRO In Mastering......................................................................................26
6.2The AUTOCOM PRO As A Protective Device ................................................................................26
6.2.1Protection Of A System With A Passive Crossover.............................................................27
6.2.2Protection Of A System With An Active Crossover.............................................................27
6.2.3Improving The Sound Of A Processor System .....................................................................27
6.3The AUTOCOM PRO In Broadcast ................................................................................................28