FIR Designer Release Notes

 

Learn more about FIR Designer or download a free demo.

Subscription licensees can access the latest download on the “update available” dialog within FIR Designer.

Version 3.0.0 (20 September 2020)

  • New: A “Supplementary Responses” window for viewing the effect of all processing on other loudspeaker measurements, such as off-axis measurements.
  • New: Mouse control of filters; frequency, bandwidth/Q and gain. Also mouse control of frequency bands on “Auto Mag” & “Auto Phase” tabs.
    • When a filter in the table is highlighted, controls appear on the plot and can be moved by the mouse.
  • New: Loudspeaker Impedance magnitude on plots.
    • When loaded, the loudspeaker impedance appears behind relevant plots in the workflow.
  • New: Export a Target response for use as a target curve on SMAART® RTA plots.
  • New: Customisable plot colours that are retained at program close.
    • Right-click on the colour rectangle (next to the check-box) to bring up a colour picker.
  • New: Support for 88.2 kHz and 176.4 kHz.
  • New: “Invert” setting on all Mag Adjust & Phase Adjust filter prototypes.
  • New: Keele/Horbach filters added to the “FIR Mag Adjust” tab.
  • Update: The Windows build is now a 64 bit application and only runs on Windows 64 bit.
  • Do not save over previous project files as the file format in this version doesn’t load properly in previous versions and may change by the final release.

Project File Format Version: 26

Averager file (*.fds) format version: 2


FIR Designer 1 Release Notes


Version 2.12.10 (20 April 2020)

  • Various user-interface updates and fixes.

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.12.9 (16 April 2020)

  • Various user-interface updates and fixes.

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.12.8 (6 April 2020)

  • Fix: SPK file response was shifted 2x in frequency.

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.12.7 (28 March 2020)

  • Fix: Direct Design mode wasn’t showing the correct tabs. (Bug introduced in 2.12.5.)

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.12.6 (20 March 2020)

  • Various user-interface updates and fixes.

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.12.5 (16 March 2020)

  • New: SMAART® Control can now send measurements to the Target and Averaging tabs.
  • New: Import support for Klippel mag and phase clipboard data in a text file.
  • Update: Averaging now has a gain range of -150 to 150 dB.
  • Various user-interface updates and fixes.

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.12.4 (14 February 2020)

  • Fix: Import & GPD impulse response samples plots would sometimes disappear when using power smoothing on import.

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.12.3 (18 January 2020)

  • Fix: Symetrix IIR Bessel filters changed to be -3 dB at the corner frequency (rather than textbook Bessel formula).
  • Fix: Gain setting was not working correctly on some QSC & Symetrix IIR filters.
  • Various user-interface updates and fixes.

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.12.2 (14 December 2019)

  • Fix: IIR Symetrix CD Horn Shelf filter gain was sometimes incorrect when changing from a different filter type.
  • Various user-interface updates and fixes.

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.12.1 (28 November 2019)

  • Fix: Variable-Q LP & HP filters on Mag Adjust, Mag Design and Voicing tabs was sometimes randomly level shifted.
  • Various user-interface updates and fixes.

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.12.0 (23 November 2019)

  • New: Remote control of SMAART® from a new dialog with the ability to grab measurements live into FIR Designer’s Import tab.
  • New: An additional averaging mode consisting of a power average for magnitude combined with complex average for phase.
  • Fix: Target preset file wouldn’t load properly.
  • Fix: General IIR mode variable-Q filter was sometimes randomly level shifted.
  • Various user-interface updates and fixes.

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.11.5 (30 October 2019)

  • Update: Removed 513 sample, 48 kHz restriction on GKF FIR filters. GKF filters of any length can now be exported.
  • Various user-interface updates and fixes.

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.11.4 (8 October 2019)

  • Fix: Measurement averaging tab TXT and CSV file output incorrect and sometimes caused the program to crash.

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.11.3 (30 September 2019)

  • Update: Application notarized to run on macOS 10.15 Catalina
  • Fix: DFM 64 bit double file now has file extension .FIR and loads in NetControl2.

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.11.2 (21 September 2019)

  • Fix: Powersoft Bessel HP and LP filters weren’t matching Powersoft Armonia. (Armonia shifts Bessel filters to have -3dB response at the selected frequency.)
  • Fix: QSC Q-Sys IIR Bessel -3 dB HP and LP filters weren’t actually -3dB at the selected frequency.
  • Fix: DFM FIT file wouldn’t load in NetControl2.
  • Various user-interface updates and fixes.
  • Warning: Project files saved with this program version will not open correctly on older versions of FIR Designer.

Project File Format Version: 25

Averager file (*.fds) format version: 2

Version 2.11.1 (7 September 2019)

  • New: QSC Qsys and Symetrix IIR filter modes.
  • New: All IIR modes are now stored simultaneously in the project file.
  • New: Reference IIR mode with Reference editor dialog and conversion between IIR modes.
  • New: Variable BW/Q 2nd order LP and HP filters in General IIR mode.
  • New: Average IR can be copied to the target file on the Target tab (in addition to the Import tab).
  • New: Average IR can be saved to file.
  • Update: Each tab’s “enable” checkbox is now saved in, and restored from, the project file.
  • Update: Tab “solo” checkboxes have been removed.
  • Various user-interface updates and fixes.
  • Warning: Project files saved with this program version will not open correctly on older versions of FIR Designer.

Project File Format Version: 24

Averager file (*.fds) format version: 2

Version 2.10.9 (2 August 2019)

  • Various user-interface updates and fixes.

Project file (*.fdp) format version: 23

Averager file (*.fds) format version: 2

Version 2.10.8 (18 July 2019)

  • Fix: Preferences BW/Q setting not initialising properly on Target Mag and Target Phase tabs at program start.

Project file (*.fdp) format version: 23

Averager file (*.fds) format version: 2

Version 2.10.7 (17 July 2019)

  • Update: For the “General” IIR mode, BW & Q are now both written to the IIR text and summary text files.

Project file (*.fdp) format version: 23

Averager file (*.fds) format version: 2

Version 2.10.6 (13 July 2019)

  • Fix: Filename in title bar might not display correctly.
  • Update: Solo checkboxes cleared and tab Enable checkboxes enabled after program load.

Project file (*.fdp) format version: 23

Averager file (*.fds) format version: 2

Version 2.10.3 (11 July 2019)

  • Various user-interface updates and fixes.

Project file (*.fdp) format version: 23

Averager file (*.fds) format version: 2

Version 2.10.2 (8 June 2019)

  • New: Phase plots no longer show a vertical line at the wrap point. (The old plot method, that shows the wrap line, can be enabled in Preferences.)
  • New: FRD measurement files can now be loaded.
  • New: 32bit and 64bit float FIR filter files for DFM processors.
  • Fix: Magnitude offset level not correct when importing some SMAART TRF files.
  • Update: Minor improvement to Rewindowing, including a Gain setting.

Project file (*.fdp) format version: 23

Averager file (*.fds) format version: 2

Version 2.10.1 (15 May 2019)

  • Fix: “File from older program” error message that shouldn’t appear when loading project files. (Bug introduced in 2.10.0)
  • Fix: Some WAV files from realtime recorders may not load and cause the program to crash.
  • Fix: Program crash when trying to load an AFMG SPK file.

Project file (*.fdp) format version: 23

Averager file (*.fds) format version: 2

Version 2.10.0 (30 April 2019)

  • New: FIR filter “rewindowing” when sideloading. On Lake and Powersoft DTP dialogs, sideloaded FIR filters longer than the platform supported FIR filter length can be shortened and optimised using a new “rewindowing” dialog.
  • New: SMAART SRF file and miniDSP BIN (32bit float) file import.
  • New: FIR text note for GKF files on export.
  • Various user-interface updates and fixes.
  • Warning: Project files saved with this program version will not open correctly on older versions of FIR Designer.

Project file (*.fdp) format version: 23

Averager file (*.fds) format version: 2

Version 2.9.2 (9 April 2019)

  • Fix: IIR filters in Powersoft XML export were incorrect when using IIR modes other than ‘General.’ (Bug introduced in 2.9.0.)

Project file (*.fdp) format version: 22

Averager file (*.fds) format version: 2

Version 2.9.1 (3 April 2019)

  • Fix: Some WAV files, generated by SMAART, wouldn’t load.
  • Fix: When resampling an impulse response during load, some sample rate combinations caused artefacts.
  • Various user-interface updates and fixes.

Project file (*.fdp) format version: 22

Averager file (*.fds) format version: 2

Version 2.9.0 (13 February 2019)

  • New: IIR filter modes provides accurate emulation of IIR filters for specific brand products, particularly with regard to bandwidth or Q. Options include “General” (including all IIR filters from prior versions of FIR Designer), “Linea Research” (including unique Hardman crossover filters) and “Powersoft.”
  • Fix: Polarity of odd-order low-pass Bessel filters was incorrect, but matched Lake products. This version calculates the correct polarity for new projects, but maintains the inverted filters when loading older projects. It also provides an option to convert a project to the correct polarity.
  • Various user-interface updates and fixes.
  • Warning: Project files saved with this program version will not open correctly on older versions of FIR Designer.

Project file (*.fdp) format version: 22

Averager file (*.fds) format version: 2

Version 2.8.2 (29 November 2018)

  • Fix: IIR filters not working on IIR tab and Target Mag tab. (Bug introduced in 2.8.1 subscription binaries only.)

Project file (*.fdp) format version: 21

Averager file (*.fds) format version: 2

Version 2.8.1 (25 November 2018)

  • Various user-interface updates and fixes.

Version 2.8.0 (25 November 2018)

  • New combined targeting consisting of design segments, mag filters, phase filters and file response.
  • Warning: Project files saved with this program version will not open correctly on older versions of FIR Designer.

Project file (*.fdp) format version: 21

Averager file (*.fds) format version: 2

Version 2.7.4 (4 November 2018)

  • Fix: A power spectrum only STO file may crash the application.
  • Fix: The FFT size, for new projects, in the Preferences dialog wasn’t saved between program runs. (Bug introduced in 2.7.0)

Project file (*.fdp) format version: 20

Averager file (*.fds) format version: 2

Version 2.7.3 (28 October 2018)

  • Update: Improved robustness of network communication with the Lake Controller plugin for some rare situations.

Project file (*.fdp) format version: 20

Averager file (*.fds) format version: 2

Version 2.7.2 (28 September 2018)

  • Fix: Target File setting “Use: Mag only” or “Use: Phase only” is not restored correctly when project file is loaded. (Bug introduced in 2.6.0)

Project file (*.fdp) format version: 20

Averager file (*.fds) format version: 2

Version 2.7.1 (25 September 2018)

  • Fix: Auto Mag response isn’t calculated correctly when target response is not flat. (Bug introduced in 2.7.0.)

Project file (*.fdp) format version: 20

Averager file (*.fds) format version: 2

Version 2.7.0 (4 September 2018)

  • New: Kaiser-Bessel FIR window type with adjustable Alpha parameter.
  • New: “Measurement Averaging” tab with improved workflow, new plots and an additional averaging method; power average with excess phase. The “Measurement Averaging” tab now matches the Averager application.
  • Various user-interface updates and fixes including parameter table drop-down controls now open in one click.

Project file (*.fdp) format version: 20

Averager file (*.fds) format version: 2

Version 2.6.0 (7 July 2018)

  • New: “Monkey Forest” SPK measurement files can now be loaded.
  • New: “Reset” button on all tables and lists.
  • New: When “Normalise magnitude to max” is set, the “Magnitude offset (dB)” field displays the normalisation gain.
  • New: Millisecond (ms) graph option now on all time graphs except for the Wavelet view.
  • New: Use “Phase only” option now on the Target file.
  • Various user-interface updates and fixes.

Project File Format Version: 19

Version 2.5.0 (9 May 2018)

  • New: Added a direct website link to the latest download on the “update available” dialog.
  • New: Klippel Impulse Response text files can now be loaded.
  • New: Right-clicking on a zoomed plot now zooms out to maximum.
  • Fix: When side-loading FIR filters on the Lake and Powersoft DTP dialogs, some FIR filters that should load were being prevented and triggering a message that they were too long. The FIR filter length check wasn’t adjusting for the difference in sample rate between the FIR filter and the output channel.
  • Various user-interface updates and fixes.

Project File Format Version: 18

Version 2.4.2 (21 April 2018)

  • New: Direct-to-processor dialog for Powersoft X, Ottocanali, Quattrocanali and DueCanali series amplifiers.
    • Create specific XML files for “Speaker EQ” and “Output EQ” for loading into Armonia version 2.11.1
  • Fix: When exporting IIR filter coefficients, coefficients may be missing if the filters are not enabled.
  • Various user-interface updates and fixes.

Project File Format Version: 18

Version 2.3.0 (24 March 2018)

  • New: Direct-to-processor dialog for Lake (Lab Gruppen) PLM & D series amplifiers.
    • Requires a PC running the Lake Controller and the new FIR Designer Lake Controller plugin which is supplied in the FIR Designer 2 Windows installer.
  • Update: improvement to measurement resampler.
  • Fix: program might crash when changing the sample rate to 24 kHz or 12 kHz.
  • Various user-interface updates and fixes.

Project File Format Version: 18

Version 2.2.0 (1 February 2018)

  • New: Gain/Polarity/Delay tab that (as with the IIR Filters tab) simulates the effects of these settings in the target processor/amplifier.
  • New: Summary output text file that lists all settings to be applied to the target processor/amplifier.
  • Fix: Loading a project file that contained a target response with coherence could result in the program crashing.
  • Fix: When loading an older project file, the file version wasn’t displaying correctly on the warning dialog.
  • Various user-interface updates and fixes.

Project File Format Version: 18

Version 2.1.2 (17 December 2017)

  • Fix: SMAART trace (TRF) files with a specific FFT size can now be loaded. Previously only MTW files were loading.

Project File Format Version: 17

Version 2.1.1 (5 December 2017)

  • Fix: Fixed crash when opening some STO files.
  • Fix: Averaging tab plots were not changing when the Preferences: “Plot Frequency Axis” setting was changed.

Project File Format Version: 17

Version 2.1.0 (25 November 2017)

  • New: Wavelet Transform (time/frequency) display on 2nd View. Updates in real-time.
  • Update: Computation time has been reduced. (Now using platform accelerated FFT’s.)
  • Update: New application icon which can now be seen on black backgrounds (like Windows 10 taskbar).
  • Fix: 2nd View plots were not changing when the Preferences: “Plot Frequency Axis” setting was changed.
  • Fix: 2nd View plots were not changing sample rate when the Design Sample Rate was changed.
  • Fix: Import and Target file measurement functions were not changing sample rate correctly when “New” project was selected.

Project File Format Version: 17

Version 2.0.1 (6 November 2017)

  • Fix: Crash when changing FFT size while the 2nd view window is open.

Project File Format Version: 17

Version 2.0.0 (5 November 2017)

  • Initial release.

Project File Format Version: 17

SMAART is a registered trademark of Rational Acoustics LLC, Connecticut, USA.