SignalScope 1.7.1

SignalScope is the award-winning real-time audio signal analyzer, built for Mac OS X.  It 
provides signal analysis in the form of an FFT magnitude, spectrogram, oscilloscope, or X/Y 
plot.  SignalScope was designed to make meaningful measurements with easy-to-use controls.

SignalScope Features:

General
    * Select any audio device available in Mac OS X (version 10.2 or later) -- including 
     multi-channel audio devices
    * Choose from all input signal formats supported by the current audio device
    * Invert polarity on either input channel
    * User-definable full scale voltage allows for calibrated measurements
    * Select either channel (or both) of the audio device to be used for measurements
    * Units of volts
    * Save Oscilloscope trace data or spectral data to disk
    * Print Oscilloscope or spectrum displays to paper or to PDF
    * Save all control settings when SignalScope quits
    * User-definable display colors and line widths

FFT Analyzer
    * Turn guardbanding off to view spectral content up to the Nyquist frequency (half the 
       sample rate)
    * Choose from ten possible frequency spans (dependent on the current sampling rate)
    * View spectra with up to 4096 lines of resolution
    * Linear and dB voltage scales
    * Auto and manual scaling of the vertical (voltage) axis
    * Linear and logarithmic frequency scales
    * Cursor for measuring frequencies and amplitudes within the spectrum
    * Peak track cursor function
    * Uniform, Bartlett, Blackman, Flat top, Hamming, Hann, and Rife-Vincent 2 data windows
    * Linear and exponential averaging

Spectrogram
    * Choose from five possible frequency spans (dependent on the current sampling rate)
    * View spectra with up to 4096 lines of resolution
    * Uniform, Bartlett, Blackman, Flat top, Hamming, Hann, and Rife-Vincent 2 data windows
    * Linear and dB voltage (color) scales
    * Manual scaling of the horizontal (time) axis
    * Optional grid over spectrogram display
    * Selectable color schemes (choose from grayscale white-on-black or black-on-white, or 
      use existing color preferences

Oscilloscope
    * Auto and manual scaling of the vertical (voltage) axis
    * Independent vertical offset of signal waveforms
    * Triggering on positive or negative slope
    * Automatic capture of pre-triggered data
    * Manual adjustment of trigger level
    * Independent trigger source selection for each input channel
    * Continuous or single shot triggering
    * Manual scaling of the horizontal (time) axis
    * Dual cursors for measuring signal periods or time between peaks

X/Y Plotter
    * Auto and manual scaling of both (voltage) axes

Some features are disabled in SignalScope until the program is registered with a valid 
serial number.  These include:  display preferences, voltage calibration, saving of 
SignalScope state, manual cursor adjustment, manual vertical scale adjustment, averaging 
type selection, data window type selection, and triggering options.

Requires Mac OS X, version 10.2 or later and a Core Audio-compatible audio input device 
(built-in or external)
Shareware, $40

Faber Acoustical Services and Technologies
http://www.faberacoustical.com/

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