Category Tools / Analyzers & Meters
Version 3.8
Format App
Compatibility SignalScopeMacOS X Intel
License Commercial Software
Price $59  /  51€
Updated On Mar 3, 2015
Total Downloads 5,526
Mac Downloads 5,526

Real-time audio signal analyzer.

SignalScope is a 2-channel signal analyzer designed to work with Mac OS X compatible audio hardware. 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.
Mac OS version 10.7 or later.
SignalScope SignalScope v 3.8 Mar 3, 2015 MacOS X Intel
Versions 3.8 of SignalScope, SignalScope Pro, and Electroacoustics Toolbox for Mac OS now offer built-in support for USB measurement microphones from miniDSP and Dayton Audio as well as the model 333D01 USB accelerometer from Digiducer.

Each app directly supports the miniDSP UMIK-1 and Dayton UMM-6 USB measurement microphones. Sensitivity calibration data for these mics can be downloaded automatically, just by entering the mic’s serial number. Making calibrated sound level measurements is as easy as plugging in the UMIK-1 or UMM-6, typing in its serial number, and getting started with the analysis tool of your choice (the serial number only needs to be entered once, after which the app will remember the microphone sensitivity). An internet connection is required to download sensitivity information for the microphone.

Each of these apps also directly supports the Digiducer 333D01 USB digital accelerometer, and can automatically load serial number and sensitivity calibration information directly from the device. Making calibrated acceleration measurements is as easy as plugging in the 333D01 and getting started with the analysis tool of your choice.

Various bugs and potential instabilities in each app have been corrected.

These apps all require Mac OS version 10.7 or later.
Faberacoustical SignalScope SignalScope v 3.7 Dec 4, 2014 MacOS X Intel
All Faber apps for Mac OS received updates to improve their compatibility with Yosemite (Mac OS 10.10). Electroacoustics Toolbox 3.7, SignalScope Pro 3.7, SignalScope 3.7 and SignalSuite 4.7 are all 64-bit applications that have been built for Yosemite.

The Room Analyzer tool, available for in-app purchase in Electroacoustics Toolbox, now calculates room parameters in whole or 1/3-octave frequency bands from impulse response data that has been sampled at higher sample rates (88.2, 96, 176.4, and 192 kHz), in addition to sample rates of 44.1 and 48 kHz that were supported previously.

The Octave Analyzer tool, found in both Electroacoustics Toolbox and SignalScope Pro, also now supports the higher sample rates for real-time spectral analysis of input signals in whole or 1/3-octave frequency bands.

The Dual FFT Analyzer (only in Electroacoustics Toolbox) and FFT Analyzer tools now support additional dB vertical scale factors of 3, 6, 9, 12, 15, or 18 dB per division in the graphic display.

Various bugs and potential instabilities in each app have been corrected.
Faberacoustical SignalScope v 3.1.6 Jan 28, 2014 MacOS X Intel
All Faber apps for Mac have been updated to make more efficient use of resources. Two issues have been corrected which could potentially lead to excessive memory use.
signal SignalScope v 3.1.5 Nov 27, 2013 MacOS X Intel
  • This update addresses plot freezing issues on Mac OS 10.9 (Mavericks).

  • SLM and Octave Analyzer tools operate more efficiently.

  • A potential crash has been addressed in the Signal Generator tool.
  • designed SignalScope v 3.1.1 Feb 28, 2013 MacOS X Intel
  • Help files now open in the default web browser.

  • • Help is now available from within the app as a PDF file.
    • Spectrogram behavior upon loading from a project file has been improved.
    • The stability of all FFT-based tools has been improved.
    • Other minor and cosmetic issues have been addressed.
    analyzer SignalScope v 3.0.5 Feb 2, 2012 MacOS X UB
    Version 3.0.5 corrects an issue that halted live updates of bar meters and fixes a bug that could potentially cause the app to crash.
    audio SignalScope v 3.0.4 Nov 30, 2011 MacOS X UB
    Version 3.0.4 is a maintenance release.
    download SignalScope v 3.0 Mar 30, 2011 MacOS X UB
    Version 3 sports an improved user interface.
    Up to two tools of each type may be added to a project.
    User preferences are available for individual tools.
    Default audio device configurations, including channel labels, units, and sensitivity can be saved.
    Virtual input channels can be added to audio input devices. Two-channel signal arithmetic (add, subtract, multiply) is now supported.
    Arbitrary FFT lengths may be specified in FFT-based analysis tools.
    The Spectrogram supports log frequency scales.
    Version 3 includes various other improvements over previous versions.
    SignalScope may now be purchased and maintained through the Mac App Store.
    mac SignalScope v 2.1.10 Nov 12, 2010 MacOS X UB
    * Channel count changes for multi-channel audio devices are handled dynamically, avoiding potential crashes.
    * Several other minor bugs have been corrected.
    windows SignalScope v 2.1.8 May 7, 2010 MacOS X UB
    Version 2.1.8 is a maintenance release that improves the stability of the application.
    macintosh SignalScope v 2.1.7 Feb 8, 2010 MacOS X UB
    Version 2.1.7 is a maintenance release that improves the stability of the application.
    pc SignalScope v 2.1.5 Sep 2, 2009 MacOS X UB
    The new updates include improved Leopard compatibility and stability enhancements. These updates are recommended for all users of SignalScope/Pro 2.x or SignalSuite 3.x.
    SignalScope v 2.1 Feb 11, 2009 MacOS X UB
    * Input channel selection now relies on checkboxes and radio buttons for more intuitive operation.
    * Unaffected channel settings are preserved when the input channel selection changes.
    * Up and Down auto-scaling options have been added to the FFT Analyzer and Oscilloscope tools.
    * Changes made to table rows can be applied to all rows in the FFT Analyzer and Oscilloscope control drawers.
    * Verstion 2.1 includes numerous bug fixes and stability enhancements.
    SignalScope v 2.0 Feb 12, 2008 MacOS X UB
  • Completely redesigned, all new code

  • - Compatible with Leopard
    - Comprehensive AppleScript support
    - Each analyzer now resides in its own independent window.
    - Audio device and analyzer configurations and acquired data can be saved in project files.
    - Displays are accelerated with OpenGL graphics for on-screen drawing, and use Quartz 2D for high resolution off-screen drawing to PDF files or the printed page.
    - Zoom and Pan cursor types are available for most data displays.
    - Each analyzer has received numerous enhancements.
    - The FFT Analyzer, Oscilloscope, and Meter Bridge tools can analyze multiple (more than 2) channels simultaneously.
    - Current data can be captured for later review or export.
    - Captured data can be exported to tab-delimited ascii text or MAT-files.
    - Some analyzers allow live data to be overlaid on captured data for quick review.
    - Independent calibration of device voltages and individual input/output channels is possible.
    - Various units, such as Volts, Amps, and Pascals, are supported for input and output channels.
    - Devices and input/output channel names are customizable (names are saved in project files).
    - Numerous other improvements and enhancements
    SignalScope v 1.8.7 Nov 28, 2007 MacOS X UB
    Version 1.8.7 includes an updated registration engine (with improved Leopard compatibility)
    SignalScope v 1.8.5 Jan 4, 2007 MacOS X UB
    SignalScope 1.8.5 prevents a potential crash at startup and allows Autoscale to be turned off in demo mode.
    SignalScope v 1.8.3 May 9, 2006 MacOS X UB
    Universal Binary version
    SignalScope v 1.8.2 Sep 27, 2005 MacOS X PPC
    When selecting a new audio device or starting up SignalScope, the current nominal sample rate of the device is kept. Previous versions of SignalScope automatically set the sample rate to its maximum value, which sometimes resulted in temporary loss of audio output on some computers, like the iMac G5. See Apple's article for more information (Article ID: 300832).
    SignalScope v 1.8 May 13, 2005 MacOS X PPC
    New Icon
    Tiger Support
    Several bug fixes
    SignalScope v 1.7.1 Mar 26, 2005 MacOS X PPC
    A means for cloning registered copies of SignalScope has been added for those who purchase volume licenses.
    Version also 1.7.1 fixes two minor bugs.
    SignalScope v 1.7 Feb 28, 2005 MacOS X PPC
    SignalScope version 1.7 adds independent vertical offsets of oscilloscope waveforms, as well as greatly improved waveform triggering.  The Oscilloscope now records data captured prior to the trigger event and allows manual adjustment of the horizontal waveform orientation.  A text box has been added to the FFT Analyzer to allow for manual adjustment of the maximum limit of the dB magnitude scale.  Several minor improvements offer enhanced program stability as well as improved compatibility with audio devices operating with sample rates up to 192 kHz.
    SignalScope v 1.6 Oct 8, 2004 MacOS X PPC
  • SignalScope version 1.6 adds support for multi-channel
    audio devices and enhanced control over input signal formats, including
    the option to invert the polarity of either or both input
    signals.  SignalScope 1.6 also makes guardbanding optional,
    allowing for frequency content to be displayed all the way up to the
    Nyquist frequency (half the sampling rate).  Numerous other
    features have been added or enhanced, including:

  • Support for audio devices with multiple, non-interleaved
    audio data streams (including

  • multi-channel devices and the Echo Indigo io)

  • Enhanced audio device input format controls

  • Option to invert polarity for either or both data channels

  • Option to turn off guardbanding (and/or digital
    anti-alias filters) to view FFT frequencies up to

  • Nyquist frequency (half the sample rate)

  • Option to start/pause SignalScope from the Dock icon
    popup menu

  • Exponential averaging parameter given as integer number
    of spectra contributing to overall average

  • Flat top and Rife-Vincent 2 data window types

  • Optional grid over Spectrogram display

  • Improved Spectrogram axis labeling

  • Several bug fixes
  • less...
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