Download - Sigview spectrum analyzer - FFT based signal analysis software

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SIGVIEW is a shareware software. It means that you can download a fully functional version and use it for 21 days to determine if it fits your needs. If you want to use SIGVIEW after this trial period, you must purchase a licence. After that, you will receive a registration key to unlock your trial SIGVIEW version and to transform it into a fully functional unlimited version.

SIGVIEW is downloaded in form of ZIP archive SIGVIEW_INSTALL.ZIP. You need to unpack this file after download in any directory and start SETUP.EXE. For a quick-start with SIGVIEW, we recommend reading the help file or online user manual and trying the examples first (Help/Examples menu option).
Version history

New in v3.1.1 ( Jan 28th 2018)
  • Maintenance release including various bugfixes ans some small GUI improvements

New in v3.1.0 ( Nov 5th 2017)
  • Logarithmic Y-axis support
  • Logarithmic axis appearance generally improved
  • Support for additional NI-DAQ options (IEPE devices)
  • Support for time synchronous averaging
  • New DAQ triggering options for rising/falling edge triggering
  • New DAQ functions to allow for triggering between multiple DAQ windows
  • Improved acquisition length settings
  • Added starting/stopping data acquisition from Control Window
  • Added new Control Window  function to concatenate multiple signals
  • Improved 3D-graphics appearance
  • Improved appearance and selection of Segmented-FFT function
  • "Change window title" menu option added in context menus on all windows
  • Default file name for storing recordings now contains a recording date/time
  • Added new command-line option "-daqreset"

New in v3.0.0 ( December 22th 2016)
  • First 64-bit version (>2GB RAM can be used, better performance)
  • Trigonometric functions in the Signal calculator
  • Saving all children of a window as a custom tool
  • Dynamic tooltips for the current cursor position in 2D and 3D graphics
  • Customizable Y-axis direction for spectrogram views
  • Fast Spectrogram zooming with a mouse wheel
  • UI design changes
  • Better support for High-DPI displays
  • File dialogs resizable
  • General font size settings

New in v2.8.0 ( December 13th 2015) [download v2.8.0]
  • Editing properties of Spectrogram and Time-FFT windows
  • Fast changes of Spectrogram time/frequency resolution by using mouse-wheel
  • Direct zoom operations on overlay windows added
  • Improved spectrogram display for better usage of available window size
  • Improved ASCII import
  • Added current signal selection info in status bar

New in v2.7.0 ( June 13th 2015)
  • LabJack U3/U6 DAQ support implemented
  • Shock Response Spectrum function (SRS) added
  • Resetting and restarting DAQ window in-place added
  • New functions for editing/deleting signal annotations
  • Separate calibration for each acquisition channel added
  • New options and settings for Probability distribution/Histogram function
  • Various GUI and stability improvements

New in v2.6 ( Jan 19th 2013)
  • Combining instruments with signals in the Signal calculator
  • Creating new instruments by using the Signal calculator
  • New constant value instrument type
  • Memory allocation and usage with 64-bit OS improved
  • Minor GUI and stability improvements

New in v2.5 ( July 03th 2012)
  • Better support for non-standard DPI-settings in Windows
  • Instrument values scaling/modifying with user-defined factors
  • "Save window as bitmap" function and a corresponding command-line switch added
  • New toolbar for faster access to custom tools
  • Minor GUI and stability improvements

New in v2.4 ( Dec 22th 2011)
  • Extensive Drag 'n drop support in Control Window
  • Better visual selection and aditional functions in Control Window
  • Audio player current position pointer added
  • Recently opened files/workspaces available from main menu
  • Copying all marker values to clipboard
  • Zero-crossing rate instrument
  • Improved options for loading ASCII files

New in v2.3 ( June 23th 2011)
  • Octave and 1/3 Octave plots
  • Custom filter bank plots (for custom equalizers or custom octave plots)
  • Automatic tracking of min/max/avg values for each instrument
  • New options for NiDAQmx data acquisition
  • Improved Y-axis zooming with a mouse wheel
  • Support for Non-Admin users under Windows 7 and Windows Vista
  • New instrument for more accurate maximum position estimation (using interpolation)
  • Removed value normalization before saving in 16-bit or 32-bit WAV files
  • Some bugfixes and optimizations

New in v2.2 (March 28th 2010)
  • Various command-line parameters to enable Sigview automation from other applications or batch files
  • Loading big WAV files which does not fit in memory in smaller parts
  • New instruments: Variance, Skewness, Spectral Kurtosis
  • Loading signal files, workspaces and tools with drag 'n drop
  • Improved ASIO driver compatibility
  • Min-hold function
  • Axes font size changed

New in v2.1 (Dec 19th 2009)
  • New signal display options: histogram, area plot, dots, selectable line width
  • Fast Y-axis settings with a mouse wheel
  • New color palettes for 3D-graphics with increased color count
  • Long-time instrument values logging in a file
  • Automatic settings for X-axis on instrument log on 3D-signal log
  • Using custom tools for batch processing in Control Window
  • Using Workspace files as analysis templates
  • User manual as PDF file including new How-to chapters
  • Various bugfixes

New in v2.0 (Oct 18th 2009)
  • Support for multiple processors (multicore)
  • Support for 24-bit multichannel sound card acquisition (DirectSound support)
  • Support for professional ASIO sound card drivers
  • Custom filters curves for signal filtering or spectrum weighting
  • Improved triggering options for data acquisition (added pre-triggering and automatic trigger rearming options)
  • Sweep signal generator
  • Zooming in/out and moving through signal with a mouse wheel
  • Saving multichannel WAV or ASCII files
  • New instruments for SNR and THD calculation
  • "Play as fast as possible" option for fast data analysis without using sound card
  • Automatic peak detection function with a Peak count instrument
  • Inverse FFT
  • Y-Axis settings on overlay windows
  • Auto-reset function for instrument logs
  • GoTo Sample navigation function
  • Improved signal display graphics
  • Improved Windows Vista and Windows 7 compatibility

By downloading SIGVIEW, you agree to our End-User-License-Agreement (EULA) and our Terms-of-Service (TOS).

SIGVIEW User Manual online:             
Not sure if you are ready to install trial version? Take a look at SIGVIEW User Manual online before downloading.
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Video Tutorials
See our YouTube channel for video tutorials and screencasts
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