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Electroacoustics Toolbox Changelog

What's new in Electroacoustics Toolbox 3.9.10

Jun 26, 2020
  • This version fixes a bug in the display of vertical log scale axis values in the Spectrogram.

New in Electroacoustics Toolbox 3.9.9 (Apr 22, 2020)

  • This update corrects a bug that could cause a crash when adding input channels to the FFT Analyzer while it was running.
  • Minor cosmetic improvements and stability enhancements.

New in Electroacoustics Toolbox 3.9.8 (Feb 29, 2020)

  • This update allows reference and source channels to be selected reliably via AppleScript in the Dual FFT Analyzer.
  • Minor cosmetic improvements and stability enhancements.

New in Electroacoustics Toolbox 3.9.7 (Feb 29, 2020)

  • This update improves app behavior when no audio devices are connected to the Mac.
  • Other minor cosmetic improvements and stability enhancements.

New in Electroacoustics Toolbox 3.9.6 (Nov 13, 2019)

  • This update corrects an issue that caused a crash when capturing input to an audio file in the Sound Level Meter and Dosimeter tools.
  • Other minor cosmetic improvements and bug fixes.

New in Electroacoustics Toolbox 3.9.5 (Oct 21, 2019)

  • Dark Mode support on macOS 10.14 (Mojave) and 10.15 (Catalina)
  • macOS 12 or later is now required.
  • Minor bug fixes, under-the-hood enhancements, and cosmetic improvements.

New in Electroacoustics Toolbox 3.9.2 (Jun 4, 2019)

  • The Room Analyzer and Noise Dosimeter tools are now included with Electroacoustics Toolbox.
  • This update corrects an issue in which FFT Analyzer overall rms levels were not properly restored from project files.

New in Electroacoustics Toolbox 3.9.1 (Feb 7, 2019)

  • Bug fixes for AppleScript access to the Dual FFT Analyzer tool.

New in Electroacoustics Toolbox 3.9 (Oct 21, 2018)

  • Added support for automatic unit selection and factory calibration for PCB Model 633A01 digital accelerometer and Model 485B39 USB ICP interface.

New in Electroacoustics Toolbox 3.8.6 (Sep 20, 2018)

  • Maintenance update, including minor bug fixes.

New in Electroacoustics Toolbox 3.8.5 (Jul 11, 2016)

  • The user preference to automatically start a device, when starting a tool that relies on that device, will now be honored by AppleScript commands.
  • A bug in the Dual FFT Analyzer, that caused improper plotting of frequency data with guardbanding enabled, has been fixed.

New in Electroacoustics Toolbox 3.8.4 (May 14, 2016)

  • Support for the Digiducer 333D01 and other products from Digiducer has been improved.
  • The UMIK-1 from miniDSP and the UMM-6 from Dayton Audio are now properly recognized on Mac OS 10.11.
  • Notification of the end of data capture in the Sound Level Meter tool no longer blocks audio processing.
  • THD+N is calculated properly as a percentage and properly displayed for either or both data cursors.
  • Other cosmetic and stability improvements have been made.

New in Electroacoustics Toolbox 3.8.3 (Dec 7, 2015)

  • An issue with channel sensitivity adjustments in the Meter Bridge and Sound Level Meter tools has been addressed.
  • When loading Room Analyzer tools from a project file, if a permissions error occurs for an audio file being used for analysis, an Open dialog will be presented with the file in question selected. Once the file is then manually loaded via the dialog, the permissions will be properly set for the next time the project is loaded. This is an issue with sandboxed copies of Electroacoustics Toolbox downloaded from the Mac App Store.
  • The Room Analyzer tool’s plotting is more reliable when loading the tool from a project file on recent versions of Mac OS X.

New in Electroacoustics Toolbox 3.8.2 (Aug 24, 2015)

  • A bug that could prevent Dual FFT Analyzer data from being properly exported with the “Export All” command has been fixed.

New in Electroacoustics Toolbox 3.8.1 (Jun 18, 2015)

  • A bug that could prevent the I/O Device buffer size from being set to values of 1,000 or more has been fixed.
  • A bug in the overlap processing in the Dual FFT Analyzer tool has been fixed.
  • A bug in the Spectrogram tool that could potentially crash the app has been fixed.

New in Electroacoustics Toolbox 3.8 (Feb 23, 2015)

  • Electroacoustics Toolbox 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.
  • Electroacoustics Toolbox 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.
  • Minor bug fixes and cosmetic improvements.

New in Electroacoustics Toolbox 3.7 (Dec 3, 2014)

  • The Octave Analyzer tool now supports sample rates of 88.2, 96, 176.4, and 192 kHz.
  • Additional dB vertical scale factors (3, 6, 9, 12, 15, 18) have been added to the FFT and DFFT analyzer tools.
  • Preferred time and frequency weighting are properly applied when creating a new SLM tool. Also, changing the time or frequency weighting of a tool now works when the tool isn't running.
  • Windows opened from a project (e.g. multiple SLM's or Octave analyzers) are no longer automatically cascaded after having their positions restored.
  • Corrected a bug that prevented display of the Parameter plot in the Room Analyzer when the parameter name was less than 5 characters.
  • Corrected some AppleScript issues in the Room Analyzer tool.
  • Room Analyzer tool properties are properly loaded from a project file.
  • Some Quartz plotting issues have been resolved.

New in Electroacoustics Toolbox 3.6 (Nov 6, 2014)

  • Electroacoustics Toolbox has been rebuilt for Mac OS 10.10, Yosemite, and is now a 64-bit application.
  • Support for Carbon Audio Unit displays has been dropped.
  • Various bugs have been fixed.
  • Version 3.6 requires Mac OS 10.7 or later.

New in Electroacoustics Toolbox 3.5.2 (Aug 4, 2014)

  • The Oscilloscope tool limits drawing frequency with small time scales.
  • Cursor values for the Octave Analyzer tool are properly returned via AppleScript.
  • Octave Analyzer extended low frequency selection can be set via AppleScript.

New in Electroacoustics Toolbox 3.5.1 (Jun 28, 2014)

  • In the Room Analyzer tool, sold separately, improvements have been made to the automatic estimation of the end of acoustic decay in impulse response data.
  • In the Room Analyzer tool, reverberation time estimation in octave bands has been improved, especially for octave band data.
  • Preliminary support has been added to remotely control RoomScope and SoundMeter Pro on iOS devices via AppleScript.

New in Electroacoustics Toolbox 3.5 (Apr 12, 2014)

  • AppleScript support has been added to the Room Analyzer tool (sold separately) to enable automated room acoustics analysis and data retrieval via script.
  • A nonlinearity parameter has been added to the Room Analyzer to offer additional guidance on the validity of each acoustic decay parameter (T20, T30, T60, EDT).
  • Room acoustics parameters are properly plotted across 1/3-octave bands in the Room Analyzer tool.
  • Radio buttons are properly deselected in the IR source drawer of the Room Analyzer tool when switching between Dual FFT or Oscilloscope measurements.
  • A bug has been addressed that could prevent the “Try” buttons in the project window from successfully opening a trial of the Noise Dosimeter or Room Analyzer tool.

New in Electroacoustics Toolbox 3.4.2 (Jan 25, 2014)

  • Corrects two issues which could potentially lead to excessive memory use.

New in Electroacoustics Toolbox 3.4.1 (Nov 22, 2013)

  • 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.

New in Electroacoustics Toolbox 3.4 (Jul 18, 2013)

  • The Room Analyzer tool (sold separately) now estimates the optimal end point for the decay curve--that is, the point at which the acoustic decay meets the noise floor in the impulse response data. This allows the Room Analyzer to provide better reverberation time estimates without the need for the user to manually adjust the decay curve limits with the built-in cursors. Decay curve limits can still be set manually, as before.
  • Bug fixes, stability improvements.

New in Electroacoustics Toolbox 3.3.2 (Jul 4, 2013)

  • Bug fixes, stability improvements.

New in Electroacoustics Toolbox 3.3.1 (Jun 28, 2013)

  • Bug fixes, stability improvements.

New in Electroacoustics Toolbox 3.3 (Jun 6, 2013)

  • The Signal Generator tool in version 3.3 now offers frequency domain synthesis of swept sine signals. Frequency domain synthesis yields frequency sweeps that are ideal for device or app playback response testing with the FFT Analyzer tool.
  • Streaming data to an audio file from the Dosimeter, SLM, and Signal Generator tools was broken in version 3.2. This has now been corrected.

New in Electroacoustics Toolbox 3.2.1 (May 16, 2013)

  • Although version 3.2 was built for Mac OS X 10.7 or later, the system requirements did not reflect this. This issue has been corrected.
  • Cosmetic improvements.

New in Electroacoustics Toolbox 3.2 (Apr 19, 2013)

  • Electroacoustics Toolbox now offers two additional tools for sale within the app. These new tools include a Room Acoustics Analyzer and a Noise Dosimeter (similar to the Dosimeter tool offered in earlier versions of the Toolbox).
  • The new Room Analyzer tool employs the integrated impulse response method for calculating the acoustical parameters of a room. Schroeder reverse integration of the squared impulse response produces a decay curve, from which the Room Analyzer calculates reverberation time (RT60), early decay time (EDT), center time (Ts), clarity, and definition for the entire audio frequency band and in whole or 1/3-octave frequency bands.
  • The Noise Dosimeter tool measures daily noise dose according to standard methods (a calibrated measurement microphone is required to make repeatable, accurate measurements). The noise dosimeter offers criterion sound levels of 80, 85, and 90 dB with 3, 4, and 5 dB exchange rates.
  • Version 3.2 also fixes various bugs.

New in Electroacoustics Toolbox 3.1.2 (Feb 27, 2013)

  • FFT calculations are now performed with double precision (64-bit).
  • Triggering works properly in the FFT Analyzer tool.
  • An arbitrary solid color can be specified for the bars in the Octave, Meter Bridge, and Sound Level Meter tools.
  • Several bugs that could potentially cause the app to crash have been corrected.
  • Other minor and cosmetic issues have been addressed.

New in Electroacoustics Toolbox 3.1.1 (Jan 24, 2013)

  • 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.

New in Electroacoustics Toolbox 3.1 (Aug 7, 2012)

  • Built for Mountain Lion.
  • Fixes several bugs.

New in Electroacoustics Toolbox 3.0.8 (Apr 25, 2012)

  • Maintenance release which corrects an issue that could lead to a crash when opening project without that project's audio device connected to the Mac. An issue with saved XY Plotters in the project file has also been addressed.

New in Electroacoustics Toolbox 3.0.6 (Feb 3, 2012)

  • Corrects a crashing bug for Snow Leopard users.

New in Electroacoustics Toolbox 3.0.5 (Feb 2, 2012)

  • Corrects an issue that halted live updates of bar meters and fixes a bug that could potentially cause the app to crash.

New in Electroacoustics Toolbox 3.0.4 (Nov 30, 2011)

  • Maintenance release.

New in Electroacoustics Toolbox 3.0.1 (Mar 16, 2011)

  • Corrects a bug that prevented proper saving of wave and AIFF audio files in the SLM and Signal Generator tools.
  • Corrects an issue that could cause a crash when removing a Spectrogram tool from the current project (it typically occurred when closing a project).

New in Electroacoustics Toolbox 3.0 (Jan 8, 2011)

  • Version 3 sports an improved user interface.
  • 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.
  • Sound Level Meter and Octave Analyzer tools support percentile-exceeded sound levels.
  • Extended low-frequency support has been added to the Octave Analyzer.
  • The Spectrogram supports log frequency scales and real-time 3D spectrogram display.
  • Version 3 includes various other improvements over previous versions.
  • The Toolbox may now be purchased and maintained through the Mac App Store.

New in Electroacoustics Toolbox 2.1.10 (Nov 12, 2010)

  • Channel count changes for multi-channel audio devices are handled dynamically, avoiding potential crashes.
  • Several other minor bugs have been corrected.

New in Electroacoustics Toolbox 2.1.9 (May 27, 2010)

  • Output channels of certain multi-channel audio interfaces, such as the MOTU UltraLite mk3, are properly enumerated.
  • Audio device channel gains on certain devices, such as the Wavelength Proton USB DAC, are properly restored when opening project files.
  • The reference delay value in the Dual FFT Analyzer tool's function table is presented with greater precision.

New in Electroacoustics Toolbox 2.1.8 (May 7, 2010)

  • Version 2.1.8 is a maintenance release that improves the stability of the application:
  • Dual FFT Analyzer: Added AppleScript access to the IR data window indices in the individual dual fft analyzer objects.
  • Dual FFT Analyzer: The windowed IR FFT length is now set somewhat arbitrarily to be as small as possible for the selected IR window. It is no longer constrained to be one of the user-selectable FFT lengths.
  • Dual FFT Analyzer: When the source or reference channel of a Dual FFT Analyzer channel gets set via AppleScript, the channel's sensitivity, units, and label values also get refreshed.
  • Dual FFT Analyzer: The time and time shift vectors are written with the correct (effective) sample period when data is exported to mat or text files.

New in Electroacoustics Toolbox 2.1.7 (Jan 12, 2010)

  • A maintenance release that improves the stability of the application.

New in Electroacoustics Toolbox 2.1.6 (Jan 5, 2010)

  • The Dual FFT Analyzer now supports user-definable time delay of the reference input for each live measurement.
  • A bug was fixed that led to a potential crash when computing an impulse response.
  • The recent projects menu gets updated properly again.
  • Impulse time weighting now passes the tone burst tests specified in ANSI S1.4.
  • Some AppleScript behaviors were corrected.
  • This release includes other minor bug fixes, stability enhancements, and cosmetic refinements.

New in Electroacoustics Toolbox 2.1.1 (Sep 18, 2009)

  • A maintenance release, which corrects data export problems in the DFFT Analyzer, which occurred when a window was applied to the impulse response.
  • Also corrects some minor cosmetic issues.

New in Electroacoustics Toolbox 2.1 (Sep 4, 2009)

  • Improves compatibility with Snow Leopard (Mac OS X, version 10.6).
  • Transfer function measurements can be corrected by previous captured measurements.
  • Memory management and stability have been improved.
  • Product updates can now be automatically retrieved and installed.
  • Individual input channel calibration is now possible within the Device I/O Setup window.
  • Some oscilloscope triggering issues have been corrected.
  • Cross-correlation functions are properly normalized.
  • Other minor bugs and cosmetic issues have been corrected.

New in Electroacoustics Toolbox 2.0.3 (Mar 11, 2009)

  • A maintenance release, which improves the performance of the fractional octave band filters and fixes menu commands and keyboard shortcuts for the primary data cursor in the Octave Analyzer.

New in Electroacoustics Toolbox 2.0.2 (Mar 11, 2009)

  • A maintenance release, which fixes a crashing bug associated with the Meter Bridge.

New in Electroacoustics Toolbox 2.0.1 (Jan 28, 2009)

  • A maintenance release, which fixes several bugs.

New in Electroacoustics Toolbox 2.0 (Oct 15, 2008)

  • Drag and drop installation.
  • Borderless analyzer windows.
  • New mouse cursor types for more intuitive interaction with data displays.
  • More efficient on and off-screen drawing.
  • More efficient Spectrogram drawing over all time scales and FFT lengths.
  • Improved page layout when printing.
  • Improved support for Leopard.
  • Improved channel selection--by checkbox or radio button.
  • Arm/disarm individual tools in the project window, so that Start, Capture, and Export All commands affect only the desired tools.
  • Dual FFT Analyzer.
  • Harmonic cursors.
  • Auto up-scale and auto down-scale for vertical plot scales.
  • Option to synchronize changes in tables views across all rows.
  • The normalized cross-correlation is normalized by the actual cross-correlation coefficient, rather than by the peak value of the cross-correlation function.
  • FFT Analyzer.
  • Harmonic cursors.
  • THD, THD+N, SNR.
  • Auto up-scale and auto down-scale for vertical plot scales.
  • Option to synchronize changes in tables views across all rows.
  • Oscilloscope.
  • Auto up-scale and auto down-scale for vertical plot scales.
  • Option to synchronize changes in tables views across all rows.
  • Signal Generator.
  • Option to disable oversampling in the signal generator.
  • Pan type selection in signal generator Preference pane.
  • Support for Audio Unit signal generator plug-ins.
  • Support for signal processing via Audio Unit effects plug-ins.
  • Sound Level Meter.
  • Input calibration.
  • Impulse time weighting.
  • New Meter Bridge.
  • Behaves like a multi-channel Sound Level Meter.
  • Time weighting.
  • Frequency weighting.
  • Input calibration.
  • Input and/or output channel selection (including individual channel selection).
  • Enhanced AppleScript support.
  • Start/Stop All tools from Dock menu.
  • Dock icon indicates whether any tools are running.
  • UI improvements.
  • Support for user-defined unit labels.
  • Numerous bug fixes and stability enhancements.
  • Revised Help files.