Signal Processing Toolbox 6.0 Release Notes

    New Features
        Digital Filter Objects
        Window Design and Analysis Tool
        Window Visualization Tool
        Window Objects
        Window Function
        New Windows
        Gaussian Filter Function
        New Analysis Functions
        Improvements to grpdelay
        stepz Function
        digitrevorder Function
        FDATool Enhancements
        FVTool Enhancements
        Demos

    Major Bug Fixes
    Platform Limitations
        FDATool -- 800 x 600 Resolution

    Upgrading from an Earlier Release
        Obsolete Function

    Known Software and Documentation Problems

Signal Processing Toolbox 5.1 Release Notes

    New Features
        Filter Visualization Tool
        New Windows
        bitrevorder
        downsample/upsample
        filternorm
        goertzel
        New Signal Demo

    Enhancements
        FDATool Enhancements
        SPTool Enhancement
        Enhanced Functions

    Major Bug Fixes
        Bug Fixes Incorporated from Release 12.0

    Known Software Problem
        FDATool and FVTool Pole/Zero Plot
        FDATool and FVTool Magnitude and Phase Plot

Signal Processing Toolbox 5.0 Release Notes

    New Features
        Filter Design & Analysis Tool (FDATool)
        SPTool
        Spectrogram Demo
        Automatic Order Adjustment in FIR Filter Functions
        grpdelay
        hilbert
        lpc
        xcorr

    Major Bug Fixes
    Upgrading from an Earlier Release
        Changes to remez