Download Anti-Alias Multichannel Module

Table of Contents
1. Introduction.....................................................................................................................................3
2. AAMFILT Performance Characteristics .........................................................................................5
No prior aliasing assumption............................................................................................................5
Flat band...........................................................................................................................................5
Noise.................................................................................................................................................5
Transition Band.................................................................................................................................6
Aliasing.............................................................................................................................................6
Phase.................................................................................................................................................7
Time Delay.......................................................................................................................................7
3. Application Examples......................................................................................................................8
Application 0: Anti-aliasing response (simulation) .........................................................................9
Application 1: 8-channel acquisition with anti-aliasing ................................................................11
Application 2: Precise audio capture with rate calibration.............................................................12
4. Command Reference.....................................................................................................................14
Appendix I. Digital Anti-Alias Technology......................................................................................18
The traditional filtering strategy.....................................................................................................18
The AAMFILT Strategy..................................................................................................................20
Appendix II. Checking for high frequency interference...................................................................21
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