Filter Design Toolbox 2.2 Release Notes

    New Features
        Multiple Precision Fixed-Point Filters Support
        All MATLAB Platforms Supported
        Four Filter Design Functions Added
        Enhanced Filter Design Functions
        Five New Filter-Related Functions
        New Frequency Transformation Functions Added
        New Transformations Pane Added to FDATool
        nlm Filter Analysis Method in FDATool
        New Functions for Calculating Quantizer Noise Statistics
        Enhanced Quantizer Optimization
        Enable and Disable Quantizers in a Filter
        Quantizer Status Functions Added
        Enhanced Quantized Filter Structures
        New Graphic Showing the Quantizers in a Filter
        New and Enhanced Filter Demonstration Programs

    Major Bug Fixes
    Upgrading from an Earlier Release
        Moved zerophase Function
        Changes to Quantizer set Function
        Obsolete Functions in Version 2.0

    Known Software and Documentation Problems

Filter Design Toolbox 2.1 Release Notes

    New Features
        New Adaptive Filtering Functions
        New FIR Filter Design Functions
        New Filter Transformation Functions
        Transformations Option in FDATool
        New Analysis Method
        New Context-Sensitive Help for Quantization

    Known Software and Documentation Problems
        Switching Between Design and Quantization Modes in FDATool
        Help for Filter Transformations in FDATool

Filter Design Toolbox 2.0 Release Notes

    New Features
        New Quantization Tool for Advanced FIR and IIR Filter Design
        New Objects
        New Filter Design Functions
        New Filter Conversion Functions
        New Filter Structures
        New Analysis Methods
        New Functions and Enhancements

    Upgrading from an Earlier Release
        Obsolete Functions in Version 2.0

    Known Software and Documentation Problems
        Filter Design and Analysis Tool
        Switching Between Design and Quantization Modes in FDATool