SIGVIEW Version History – Explore Updates & Improvements Over Time

SIGVIEW RELEASES

See how SIGVIEW continues to evolve.

Explore new features, improvements and fixes across current and previous versions of SIGVIEW.

Version history

New in v9.1

Redesigned the Application Settings dialog for clearer organization and easier access to options. [...]
Added an option to automatically save the current Workspace at regular intervals for recovery purposes. [...]
Numeric formatting for exports and displayed values, including the number of decimal places and scientific notation, can now be configured centrally in the Settings dialog. [...]
Added a new option to always display frequency band markers in octave and custom filter plots. [...]
Octave and custom filter plots now support A- and C-weighting. [...]
Improved histogram display (octave or distribution plots) so all bars have equal width — the first and last bars are no longer cut in half
Added a display setting to control the spacing between bars in histogram-style plots. [...]
New function in Control Window to reset all select windows
Some bigger dialogs (SignalCalculator, ASCII/CSV Import and Batch File Processing Script generator), are now resizable
Added new Julia-based tools for generic serial port input and output. [PRO] [...]
Added a new context-sensitive hint system that provides helpful tips on using SIGVIEW.

Bugfixes:

Fixed an issue where the registration dialog could block access to the system clipboard in some cases.
Fixed an issue where the message in DAQ windows indicating that you can zoom out to view the entire signal was not cleared when no longer applicable.
Fixed rare crashes with certain FFT averaging settings and very short input signals
The Recent Files list is now case-insensitive.
Fixed problem with changing the option "Reset filter after each processed block" when editing IIR filter

New in v9.0

New function for generating machine-readable, comprehensive signal metrics export. The output can be used by external applications to automatically process signal data—for example, enabling AI LLMs to generate natural-language descriptions, reports, analysis insights, or comparisons between signals. [...]
Let AI analyze and describe your signals: Generate detailed, human-readable signal reports automatically using leading AI LLM platforms such as Anthropic Claude, OpenAI ChatGPT, and Google Gemini—powered by the new signal metrics export functionality. [...]
Julia scripting now supports the creation of custom instrument windows. In addition, Source instrument windows can be implemented to acquire external data and integrate it into SIGVIEW as instrument inputs. [PRO] [...]
New Julia-based plugin framework for file format support. Users can extend SIGVIEW by adding their own scripts to load and save custom file formats. [PRO] [...]
Support for additional signal file formats via the new Julia plugin framework: GDF, UFF, MATLAB MAT, FLAC, NumPy (NPY/NPZ), and Julia (JLD2). [PRO] [...]
New tools for network streaming of signals and analysis results. Data can be streamed to one or more remote SIGVIEW instances in real time. [PRO] [...]
Instrument value over time function can now be parameterized with fixed number of values instead of using block size/offset [...]
New function to extract automatically max value slice from 3D/spectrogram [...]
3D graphics now support measurement instruments, including Min, Max, Mean, Standard Deviation, Variance, and other statistical metrics. [...]
New Instrument: Spectral centroid [...]
New Instrument: Spectral flatness [...]
New Instrument: Dominant frequency [...]
New custom instrument tool: Speech-To-Text (Whisper based) [PRO] [...]
New custom instrument tool: ShannonEntropy [PRO] [...]
New custom tool: Zero-crossing [PRO] [...]
Improved SNR calculation to support more complex signals
Axes ranges added to the status bar display for 3D/spectrogram displays
Quantile value parametrization can now be performed in percent
Improved reading from ASCII/CSV with complex multiline headers

Bugfixes:

Fixed problem with saving custom chunk in a WAV file
Fixed some problems with obsolete error message when loading complex workspaces.
Fixed some cases of endless loop if instrument properties were not valid
Fixed problem with loading x/y units from HDF5 files
Fixed problems with axes limits if using Time-FFT/Spectrograms as custom tools
Fixed wrong column order in the CSV preview dialog
Fixed problems with the Batch file processing script generator and the option to export all instrument values in CSV

New in v8.2.2

Bugfixes:

Fixed issues when saving data from a zoomed-in signal segment to CSV files
Fixed file open dialog issues occurring on some systems

New in v8.2.1

Bugfixes:

Fixed issues with drag-and-drop functionality in the Control Window
Fixed an issue where property changes in some analysis windows were not applied immediately

New in v8.2.0

User-defined annotations can now be displayed in 3D graphics and spectrograms
[...]
Added a "Show highest peaks" option for 3D graphics and spectrograms [...]
The number of peaks shown in "Show N highest peaks" is now configurable in the application settings [...]
Custom tools are now automatically organized into submenus for easier navigation [...]
Averager tool and instrument value averaging now support true logarithmic averaging [...] [...]
Added new instruments for displaying amplitudes of 2×–10× harmonics of the dominant frequency [...]
New command-line option for exporting all instrument values to a CSV file, including full support inside the Batch File Processing generator (ideal for AI/ML feature extraction workflows) [...] [...]
Improved Julia startup performance by introducing a new option to create a precompiled system image with commonly used packages [PRO] [...]
Signal Calculator windows can now serve as root windows for custom tools [...]
Added a new Julia-based custom tool: "Wavelet denoising" (PRO) [...]
Significantly improved performance when loading and saving workspaces and tools
Removed outdated DPI-awareness settings from the application settings dialog [...]
Bugfixes:

Fixed an issue where no custom tools were shown under the custom-tool toolbar menu
Resolved several issues related to loading complex custom tools
Fixed a problem where having more than 30 custom tools caused some menu items to remain disabled
Fixed an issue where the X-axis of some CSV windows was slightly shifted after loading from a workspace
Fixed problem of window loosing its custom user title if "Edit window description..." dialog is opened

Fixed problem with End/Home buttons not extending the signal selection properly

New in v8.1.0

Added support for direct editing of signal and analysis values. [...]
Time-FFT and Spectrogram analyses can now be parametrized independently of the source signal length, instead of relying on fixed FFT lengths and offsets. [...]
Added logarithmic Y/Z axis scaling for 3D graphics and spectrograms. [...]
Python can now be used as a scripting language in Sigview via Julia and PyCall integration. [PRO] [...]
Added a function to copy text output (results and error messages) from Julia scripts directly to the clipboard. [PRO] [...]
Signal Generator window properties are now editable. [...]
Improved drawing speed for circular gauge instruments.
Added an option to toggle annotation display on or off. [...]

Bugfixes:

Fixed problems with using negative numeric constants in SignalCalculator
Fixed some problems with loading SignalCalculator windows from SWSD files

Fixed several issues with NiDAQmx support when multiple channels of different data types were used in a single acquisition.
Fixed incorrect application of calibration values when data acquisition used a list of specific channel indexes.
Fixed an issue where SWSD Workspace files could not be opened correctly if renamed after creation.
Fixed a problem where custom DAQ channel titles were lost after resetting the window.
Fixed incorrect Y-unit results when dividing two signals with identical units in the Signal Calculator.
Corrected several validity-check issues in the DAQ-Dialog settings.
Fixed a problem where the trigger channel setting in the DAQ-Dialog was lost when using a channel list instead of a channel count.
Fixed an issue where signal unit names from calibration files were not displayed correctly in embedded window messages when using Digiducer DAQ devices.

New in v8.0.2

Bugfixes:

Fixed an issue where the Log-Axis X-label text was occasionally incorrect

New in v8.0.1

Bugfixes:

Fixed an issue with incorrect X-value labels in signal markers.

New in v8.0.0

Introduced new 3D surface plot and spectrogram graphics implementation using OpenGL with hardware acceleration. [...]
Added additional display options for 3D/Spectrogram graphics: lines, mesh, polygons, polygons with mesh, lighting effects, line width. [...]
Batch File Processing: Added an easy-to-use batch file generator dialog, with a guided script creation tool from existing workspaces. [...]
Updated all fonts to the default Windows 10/11 font for a more consistent and modern look, along with enhanced dialog appearances.
Absolute time display on the X-axis is now supported, when available. [...]
Improved High-DPI display support: The toolbar and control window now resize automatically.
Basic support for loading HDF5 files has been added. [...]
Octave and 1/3 octave plots adjusted to align with ISO standards. [...]
New octave plot options: 1/6, 1/9, and 1/12 octave plots. [...]
Users can now customize the line color for signal plots. [...]
Workspaces and individual windows can now be documented by adding custom descriptions. [...]
Overlay display for histogram plots (e.g., octave plots) now arranges bars side-by-side for easier comparison. [...]
The cursor on overlayed plots now displays values from all overlaid signals.
Absolute signal time can now be set via Julia Scripts. [...]
Annotations are now read from EDF files.
Increased the number of colors in palette files for 3D surface plots and spectrograms from 128 to 1024.
Spectrogram cursors can now be repositioned with a simple mouse click.
New color scheme for 3D and spectrogram plots improves visibility of low-amplitude artifacts (optional). [...]
Palette for 3D and spectrogram graphics can now be changed directly from the toolbar.
Default settings for Time-FFT calculation have been updated to improve time resolution.
Significant performance improvements for large workspaces with many instruments.

Bugfixes:

Fixed problem with some workspace examples causing errors in Signal Generator dialog after loading.
Fixed problem that rectangle selection zoom-in by holding Ctrl key did not work on 3D signal filter windows.

"Instrument values over time" function did not work if step was bigger than the block size.
Fixed crash if workspace template was applied to a file which is much shorter than the original one.
Fixed some problems with occasional "inf" values in result if automatic smoothing of FFT result was used.
Overlay windows created by selecting windows from Control Window now preserve the selection order.

New in v7.1.1 [download v7.1.1]

Fixed a crash caused by DAQ device names exceeding 127 characters
Fixed non-functional "RAW Binary Export" menu options
Corrected signal line color inconsistencies in "Parallel" overlay windows
Fixed inaccuracies with mouse wheel zoom behavior in single and overlay windows
Fixed incorrect zoom levels when loading workspaces and tools with overlay windows
Resolved a crash when using the "Track changes in spectrogram view" function
Fixed improperly enabled menu functions for overlay windows
Fixed a potential crash when opening SWSD files (Workspace With Data)
Fixed wrong min/max Y-axis range after resetting some DAQ windows
Resetting DAQ windows is now possible from each channel window and not only from the first one
Fixed cosmetic problems with mouse selection in signal windows sometimes not being completely erased after switch between windows
"Track changes in spectrogram view" function did not display axes until first data was added
Fixed some problems with wrong status bar layout appearing if Instrument window or Control Window were selected
Fixed crashes after loading SWSD (Workspace With Data) files with Time-FFT/Spectrogram windows and changing their source data afterwards
Fixed some conversion errors in the calibration if RMS value type was used
Added warning before saving floating point samples in an integer-based file type
Fixed some precision problems when using constant values in Signal Calculator
Improved check if Signal Generator parameters are valid
Fixed installation problems on a new "Windows on ARM" platform laptops

New in v7.1.0

Introduced a new Workspace file format (*.SWSD) that includes data from all stored windows [...]
Added native support for Digiducer USB Accelerometers and Signal Conditioners (PRO) [...]
Various variants of FFT settings (e.g. Averaged, dB, PSD,...) available directly from a dropdown menu in toolbar [...]
Custom tools available directly from a dropdown menu in toolbar [...]
Spectrum amplitude unit will now be automatically calculated, provided that source signal has defined amplitude units [...]
New command-line option to save SIGVIEW screenshot in a file [...]
Added a direct Apply button in the IIR Filter dialog for easier testing of different filter settings [...]
New option in FFT properties dialog to determine if averaging should be performed on complex spectra or on calculation results [...]
Added a new option in the "Axes settings" dialog to set the X-axis begin offset [...]
Bugfixes:

Fixed problems with saving Workspaces containing NI DAQ windows
Fixed an issue with the "Instant preview" option in the 3D Axis Settings Dialog
Fixed issues with wrong Flat top window calculation
Fixed crashes occurring with certain instruments when using longer strings for Y-axis labels
Automatic Y-Axis range adjustment in Overlay windows now works properly
Updated Relative Spectrum (dBR) calculation in Signal Calculator to include correct full-scale normalization

New in v7.0.1

Fixed problem with crashes in STANDARD version after closing DAQ dialog in some configurations
Fixed problem with Persistence display options being disabled in the main menu

New in v7.0.0

New option for Data Acquisition to allow continuous acquisition while keeping only the last N seconds of the recording (ring-buffer) [...]
New option for "Log signal to file..." function to allow keeping only last N recorded files (file-based ring-buffer) [...]

NiDAQ data acquisition now allows defining separate settings (range, type,...) for each channel (PRO) [...]
"Persistence" signal display for all analysis windows, providing the display of past traces as overlay [...]
Saving window images for signal/3D windows in EMF-file (vector image format) is now supported [...]
"Log signal to file..." function now splits files if the source data acquisition is stopped
Files recorded by using "Log signal to file..." function now include wall time (recording time)
Calibration now includes extended settings of input and/or resulting signal level type (dB/Linear, RMS/Peak) [...]
Properties of a Scale/Normalize window can now be edited after it was created [...]
Scale/Normalize function can now load scaling values from an existing DAQ calibration file [...]
IIR Filter now includes an option to prevent resetting filter after each processed block, to enable better stream processing [...]
Improved marker/annotation display on window edge
New option in 3D-graphics axes settings dialog to turn off instant redraw on Z-axis range change [...]
New Julia-based custom tool for Continuous Wavelet Transformations (CWT) (PRO) [...]
New command-line function to save 3D window or spectrogram values into file [...]
New command-line function to save multiple signal windows into one multichannel file [...]
Averager window now resets automatically if the input signal length changes
Editing Averager window properties is now possible [...]
Automatic audio volume scaling can now be turned on or off per window instead of global setting [...]
Audio playback in loop can now be turned on or off per window instead of global setting [...]
"Faster than realtime" playback can now be turned on or off per window instead of global setting [...]
"Play automatically if signal changes" improved and added to the toolbar [...]
Optimized Control Window graphical updates to avoid flickering
Improved signal display with histogram style and added missing toolbar button for "Histogram (from bottom)" type [...]
Moving analysis parts in Control Window by using Ctrl+Drag'n Drop does not change window positions anymore
Upgraded Julia language and libraries from v1.6 to to v1.10 (PRO)
Simplified, one-click installation of needed Julia packages (PRO)
Improved error messages if NiDAQ devices are used (PRO)

Bugfixes:

Fixed automatic correction of the sampling rate to the actually supported value for NiDAQ devices
Fixed crash on reset data acquisition if some channels were deleted manually
Extracting part of signal from mouse selection, X-axis error corrected
Fixed crashes if corrupted Workspace files were loaded
Fixed problem with Registration Dialog sometimes blocking the Clipboard

---------------------------------------------------------------------------

New in v6.2.3 [download v6.2.3]

Fixed problems with loading/saving Measurement Computing DAQ custom settings
Added preliminary support for 18-bit Measurement Computing DAQ

New in v6.2.2

Fixed crash with loading tools/workspaces containing signal calculator windows
Fixed problem with pink noise generator quality

New in v6.2.1

Added preliminary support for LabJack T8 DAQ
Fixed problem with wrong audio playback speed on some systems
Fixed problem with wrong/squared values in octave plots if linear scale was used
Fixed problem with obsolete error message during discovery of LabJack devices

New in v6.2.0

Added context sensitive help (Press F1 for context help in any dialog or processing window)
Display current audio-playback position cursor in all synced or related windows (like spectrograms etc.)
New audio playback function "play/restart audio from cursor position" (F6 shortcut)
New audio playback function to "(re)play signal selection only" (F6 shortcut)
Entering constant values directly in the Signal Calculator is now possible
Added function in Signal calculator to delete the last expression part instead of clearing the whole expression
Improved Signal Calculator expression display and usability
Z-Order of windows (window overlapping) is now saved in a Workspace file as well
"Set marker here..." option added in signal window context-menu
Registration dialog can now retrieve data directly from the email text from clipboard
Fixed problems with Order-Analysis functions if RPM signal contained zeros
Fixed problem with opening ASCII/CSV files if numbers contain leading '+' chars
Fixed problem with opening Custom tools from file from Control Window context menu
Fixed problems with playing audio in loop if a short signal segment was zoomed-in
Fixed problems with harmonic marker instrument display
Fixed problems with applying custom tools with multiple parents (Averager, Overlay)

New in v6.1.0

New spectrum type to automatically split input signal in segments and average their spectra (Welch's method)
New Auto-Range option for instrument windows
All instrument windows now include a graphical display for the history of last N values
Fast statistics report is available in all signal windows if SPACE key is pressed
New instrument "Average Peak distance"
Added "1/x" function in Signal Calculator
Main Window position is now saved and restored after the next start
Fixed problem with saving signals in 32-bit float binary format
Fixed problem with reversed value order if "Copy marker values to clipboard" function was used
Fixed problem with not being able to play some Signal Calculator results
Fixed problem with obsolete error message when loading workspaces with overlay windows
Fixed problem with obsolete error message when loading workspaces with signals created from clipboard data
Fixed problem with crashes after closing active data acquisition windows
Fixed problems with Control Window mouse selection if the content is being updated
Fixed problems with updating Custom Tools menu after saving a new tool

New in v6.0.0

ASCII/CSV Import completely redesigned, including Preview/Settings dialog
Sideband cursor function added
Added value-display tooltips for harmonic/sideband cursors
New functions for triggered saving or logging of signals or analysis results based on instrument values
New option for saving Workspace before closing SIGVIEW and reloading it after the next start
New instrument: Fractal dimension
Max recording duration added for "Log signal to file..." windows
New command-line parameters for resetting windows and starting/stopping file logging
Optimized graphical updates if many complex 3D plots are used
Various improvements in Julia scripting interface, enabling tighter integration of Julia-based tools in SIGVIEW
Embedding Julia plots in SIGVIEW windows
Added many new Custom tools based on Julia Scripting:

Polar plot
Scatter plot (2D/3D)
Box/Violin Plot
Envelope
Tacho-to-RPM signal conversion
Damping coefficient calculation
Signal alignment
...

Julia Scripting updated to Julia v1.6
Added batch installation of needed Julia libraries
Bugfixes:

Y-Axis dialog did not update anything after pressing OK if "Instant preview" checkbox was turned off
Displaying more than 5-10 million values on Log X-axis did not work
Wrong Icon/Tooltip on MIN button in toolbar was shown
X/Y log-axis defaults were not saved/loaded from Application Settings dialog
Device specific settings for DAQ devices did not work if edited for existing window
Extract from-to windows created from a spectrum window did not allow harmonics cursor to be turned on
Extract from-to function extracted one sample less than parametrized
Some Workspace (SWS) files could not be opened by double-clicking the file in Windows Explorer
Overlay windows did not consider the line type/width used for a display in a source window

---------------------------------------------------------------------------

New in v5.3.2 [download v5.3.2]

Fixed problems with opening IIR Filter dialog on some systems
Fixed some problems with EDF file compatibility

New in v5.3.1

Fixed problems with data acquisition if list of channels was used
Fixed problems with loading some WAV file formats with custom chunks
Improved performance for workspaces with many data acquisition channels

New in v5.3.0

Actual signal wall-clock time can now be used and displayed in addition to relative signal time
Improved buffering for data acquisition to reduce data loss under high load
Meta data for signal windows (axes settings, zoom, annotations etc.) are stored in a custom chunk of the WAV file and reused if file is loaded
Exponential window added as a default window for FRF calculation
Easier installation for non-admin users (admin can install SIGVIEW for other users)
Last used folders are remembered to reduce folder search in open/save dialogs
"Close all" menu option does not close Control Window anymore
Improved "Waiting on trigger..." info in DAQ window to display required trigger level and type
Added High-DPI settings in Application Settings dialog
Added custom tool for Cepstrum calculation
Fixed problem with Julia script editing if path contains blanks
Fixed problem with adding annotations from Julia scripts
Fixed problem with triggering level if multiple DAQ channels are used (DataTranslation/Sequoia DAQ)
Fixed crash with opening Workspaces where some DAQ channel windows were deleted
Fixed problem with multichannel data acquisition (>2ch). Number of updates for channels was 2x higher than it should be.
Fixed problem with some MCC boards and multichannel DAQ

New in v5.2.0

Exponential averaging option added to the Averager function
Direct calculation of FRF magnitude and FRF phase in Signal Calculator
"Reset all windows" function added to reset data of all opened windows (DAQ, Averager, Instruments,...)
Added Peak-To-Peak instrument
Simplified Master/Slave mode usage of the DT9837 DAQ
Enabled loading WAV files with size >2GB (up to 4GB)

Fixed problem with unit from Calibration file not displaying on Y-axis
Fixed problem with resetting DAQ window if "One block" acquisition length is used
Fixed problems with signal markers from Min/Max instruments

New in v5.1.0

New function to display instrument values over time in one step
Support for Data Translation DT9837 DAQ
Lines-only 3D graphics (for example "Track changes..." tools) now use color palettes as well
"Log instrument values" signal now displays alarm range of the source instrument as a red overlay
In "Zoom to X samples/values" dialog, a zoom length in signal units can be defined
Improved drawing performance for 3D graphics
Improved default settings for Time-FFT and Spectrogram calculation
Improved High-DPI display behavior
Fixed problem with reusing tools including resampling function
Fixed: Status-bar disappeared if application color scheme was changed
CSV/ASCII exports now contains all available digits (was limited to 6)
Fixed off-by-one sample error with "Zoom to X samples/values" function
Fixed problem with instrument alarm sound and fast updates
Fixed various problems with 3D graphics axes properties

New in v5.0.0

Support for embedded Julia Language Scripting (PRO)
New function to create and use standard IIR filters (Bessel, Butterworth, Chebyshev)
Redesigned Control Window icons
Various bugfixes and small improvements
Fixed problem with logging Peak Count instrument values
Fixed problems with opening SWS files by double-clicking
Fixed problem with using mousewheel for scrolling in Control Windows
Fixed problems with flickering cursor
Fixed problem with loading current statistics state of instruments from a workspace
Fixed problem with loading workspace with double-clicking a file
Fixed problems with resetting DAQ windows

---------------------------------------------------------------------------

New in v4.3.0 [download v4.3.0]

New function to display instrument value as a level marker in signal
Added new instruments for Median value and n-Quantile value
Mouse rectangle selection in Control Window
"Delete selected windows" function in Control Window
New menu option "Track changes in spectrogram view"
"Change value" function for const instruments
Improved signal drawing speed
Improved Spectrogram view drawing speed
Added tooltip with a tool name for custom tool buttons in a toolbar
Fixed some issues with Spectrogram X-axis if tracking function is used
Fixed problem with switching between move and copy in Control Window
Fixed wrong FFT length for calculating segmented FFT
Fixed LabJack T4/T7 range settings problem with +/-0.1V range

New in v4.2.0

New instrument "RMS of a frequency range"
"Show value in dB" option for RMS instruments
Fixed a problem with wrong value of the last octave band for some sampling rates

New in v4.1.0

Synchronized cursor on the current time position in all related windows
Pasting CVS/ASCII data from clipboard to create a new signal window
New application settings dialog with many old and new settings

Color schemes: "White" or "Black" can be selected
Using non-default audio devices for playback
Added cursor measuring mode in the spectrogram
Many new keyboard shortcuts added
Syncing windows by using Control Window selection added
Improved automatic axes label settings in overlays and signal calculator windows
PSD amplitude is now independent of FFT zero-padding option

New in v4.0.0

Introduced two SIGVIEW editions: STANDARD and PRO
Order analysis functions (convert time signal to order signal and vice versa) [PRO Version]
Specify exact list of channels for data acquisition, instead of defining only a channel count (NI, UL and LabJack drivers only) [PRO Version]
Added support for LabJack T4/T7 data acquisition [PRO Version]
New 3D signal filter function for a free selection of filter time, frequency and amplitude properties and a combination of multiple filters on one signal [PRO Version]
Significantly improved the quality of a signal filter function and added some fine tuning options.
Added bandstop level setting in dB for all filters (in a filter creation dialog and in a dialog for fast filter properties changing)
New Signal Calculator dialog with a graphical window selection (similar as in Control Window)
Added direct calculation of dB(A), dB(C) and dB(Z) values
Automatic loading of column names from CSV file and using them as window titles
Increased number of harmonics rulers from 10 to 100
New function to synchronize signals with each other - each zoom or move in one of them will zoom or move all to the same position (default for signals loaded from one file)
Added color map/legend for all 3D-graphics
Optimized default settings for Time-FFT and Spectrogram to increase calculation speed
Moving zoomed 3D-graphics part with Shift + Arrow keys added
Changed colors and appearance for annotations/markers
Improved drag 'n drop usability in Control Window
Improved performance for shorter signal block sizes (20-30%)
Improved drawing speed for large 3D graphics
Various bug fixes

---------------------------------------------------------------------------

New in v3.2.0 [download v3.2.0]

All numeric input controls replaced with new widgets featuring spinbox, mouse-wheel support and integrated validation
Toolbar redesign, including new icons (for use with High-DPI resolution)
Improved interactive tuning for filter windows
Added many new FFT window types
Improved appearance and performance of all instrument windows
Added new toolbar buttons for "Play in loop" and "Play as fast as possible"
Default "Zero padding" FFT setting is now "Optimal", instead of "Next power-of-2"
"Check for updates" function added to perform online check for a new version
Fixed incorrect X-axis for octave plots

New in v3.1.0

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-graphic 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

First 64-bit version (>2GB RAM can be used, improved 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 [last 32-bit version: 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

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

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

Improved 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

Extensive Drag 'n drop support in Control Window
Better visual selection and additional 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

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 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 bug fixes and optimizations

New in v2.2

Various command-line parameters to enable Sigview automation from other applications or batch files
Loading large WAV files that do 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

New signal display options: histogram, area plot, dots, selectable line width
Fast Y-axis settings with 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 bug fixes

New in v2.0

Support for multiple threads/cores
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