THE AUDITORY MODELING TOOLBOX

Changes - throughout the release history of the AMT

Version 1.1.0 (December 2021)

Core functionality:

• removed all appearances of global SPL offset modifications (ltfatsetdefaults).
• amt_configuration: added downloadpath to enhance search in previous versions functionality
• amt_start: added version-dependent removal of ssh certificate
• amt_load: restructured download display

Signal-processing functionality:

• FIX: adaptloop bug fix with signal scaling.
• NEW: minspl for adaptloop, which is minlvl in dB (minlvl still can be used for backwards compatibility).

Common functions:

• adaptloop: new parameter minspl, which is minlvl in dB. minlvl as linear amplitude can still be used.
• ihcenvelope: flag minlvl changed to be ihc_minlvl to be clearly associated with ihcenvelope. No backwards compatibility provided.
• ihcenvelope: flag ihctype renamed to ihc_type.
• NEW: f2erbrate: ERB rate for a frequency according to Moore and Glasberg (1983)
• NEW: erbrate2f: frequency from the ERB rate according to Moore and Glasberg (1983)
• NEW: bmld: binaural masking level difference according to Culling et al. (2005)

Data:

• NEW: data_brimijoin2013
• NEW: data_macpherson2003
• NEW: data_vliegen2004

Signals:

• NEW: sig_dizon2004
• NEW: sig_hofman1998
• NEW: sig_macpherson2003
• NEW: sig_schroeder1970

Plot:

• NEW: plot_llado2022
• NEW: demo_llado2022
• demo_adaptloop: minor improvements
• demo_mclachlan2021: minor changes
• demo_bruce2018: better parameters showing better the results

Experiments:

• NEW: exp_lavandier2022
• NEW: exp_llado2022
• exp_baumgartner2015binweight: Changes of the SPL offset removed (output looks like Fig. 5 from Baumgartner and Majdak, 2015)
• exp_osses2022: adapted to the revised manuscript version.
• exp_bruce2018: adapted to the changes in bruce2018.
• exp_li2020: adjusted sequence of Figures so they correspond to publication
• exp_baumgartner2021: minor adjustments

Models and Modelstages:

• NEW: lavandier2022
• NEW: leclere2015
• NEW: prudhomme2020
• NEW: vicente2020
• NEW: vicente2020_betterearsnrframe
• NEW: vicente2020_buadvantage
• NEW: vicente2020_internalnoise
• NEW: vicente2020nh
• NEW: llado2022
• carney2015: new flag 'ic_hwr' (and 'no_ic_hwr') to optionally disable the halve-way rectification of the outputs
• bruce2018: new flag 'specificSRautoTiming' to provide spontanous rates but calculate timing information for the auditory nerve fibers (used by exp_osses2022)
• zilany2014: improvements in displaying
• verhulst2018: - calculation of AN, CN, and IC can be disabled if unused - detailed output provided only when requested (faster computation but causes backwards compatibility issues) - major documentation improvement
• jelfs2011: - fixed erbspace and do_xcorr - new option to calculate auditory filtering via auditoryfilterbank_singlefc
• mclachlan2021: - mclachlan2021_metrics: removed - mclachlan2021_preproc: added

Version 1.0.0 (May 2021)

Core functionality:

• core functions (amt_.m) moved to the directory 'core'
• all auxdata, cache, and hrtf moved from sofaacoustics.org to amtoolbox.org
• NEW: automated toolbox download, new banner, new display style, availability check for matlab toolboxes and octave packages
• NEW: amt_stop: removes paths associated to current AMT session and deletes persistent variables in the AMT core functions
• NEW: amt_subdir: performs recursive search in subdirectories
• NEW: amt_extern: interface to external environments such as Python
• NEW: amt_configuration: provides configuration of the current AMT session, sets amt_cache, amt_auxdatapath, amt_auxdataurl, and amt_flags
• NEW: amt_info: information on the authorship, license, and technical requirements of a model
• emuexp renamed to amt_emuexp
• NEW: incremental version search in amt_cache and amt_load: search in older AMT versions for files if not found in current AMT version
• amt_disp: debug flag included, progress flag removed.
• amt version: module display removed
• lock of persistent variables added to the core functions

Signal-processing functionality:

• signal level convention switched to SI with 20 mu Pa as reference for SPL calculation, i.e., RMS of corresponds to the SPL of 94 dB
• first dimension is time when calling a model

Common functions (was 'general' previously):

• siiweightings renamed to f2siiweightings
• setdbspl renamed to scaletodbspl
• bmdistance and greenwood integrated in f2bmdistance
• NEW: erb2fc
• NEW: f2erb
• NEW: fc2erb
• NEW: phon2sone
• NEW: sone2phon
• NEW: gammachirp
• NEW: erbest
• NEW: fade
• NEW: infamplitudeclip
• NEW: interpolation

Data:

• NEW: data_lyon2011
• NEW: data_li2020

Plot:

• NEW: plot_bruce2018
• NEW: plot_mckenzie2021
• NEW: plot_moore2016
• NEW: demo_lyon2011
• NEW: demo_lyon2011_compressivefunction
• NEW: demo_lyon2011_impulseresponses
• NEW: demo_bruce2018
• NEW: demo_bruce2018_auditorynerveresponse
• NEW: demo_carney2015
• NEW: demo_ewert2000
• NEW: demo_king2019
• NEW: demo_verhulst2015
• NEW: demo_verhulst2018
• NEW: demo_hauth2020
• NEW: demo_chen2011
• NEW: demo_mckenzie2021
• NEW: demo_baumgartner2021
• NEW: demo_mclachlan2021

Experiments:

• bug fix: exp_gammatone
• NEW: exp_engel2021
• NEW: exp_bruce2018
• NEW: exp_osses2022
• NEW: exp_relanoiborra2019
• NEW: exp_verhulst2018
• NEW: exp_chen2011
• NEW: exp_mckenzie2021
• NEW: exp_osses2021
• NEW: exp_barumerli2021
• NEW: exp_baumgartner2021
• NEW: exp_li2020

Models and Modelstages:

• NEW: lyon2011
• NEW: verhulst2015
• NEW: verhulst2018
• NEW: bruce2018
• NEW: carney2015
• NEW: king2019
• NEW: relanoiborra2019
• NEW: hauth2020
• NEW: osses2021
• NEW: mckenzie2021
• NEW: chen2011
• NEW: moore2016
• NEW: baumgartner2021
• NEW: li2020
• NEW: barumerli2021

Version 0.10.0 (May 2020)

• baumgartner2020: sound-externalization model provided
• reijnier2014: ideal-observer spherical sound-localization model based on Bayesian statistics provided
• exp_reijniers2014: figures from conference proceedings Barumerli et al. (2020, AES and FA) evaluating reijniers2014 added.

Version 0.9.9 (September 2017)

• data_baumgartner2017 provided
• data_baumgartner2017looming provided)
• kelavas2015 improved (appears in the code and documentation now)
• bug #78 fixed: hohmann2002_process did not work for multiband input signals.

Version 0.9.8 (12.7.2017)

Compatibility breaks:

• amt --> amt_*

  • Use amt_start to start the AMT
  • Legacy files provided but will be removed in the future.
  • amthelp --> amt_version

• gfb --> hohmann2002. Legacy files provided. See note #11 for more details.
• zilany2007humanized --> zilany2007. Legacy file provided.
• drnl --> lopezpoveda2001. Legacy file provided.
• modfilterbankepsm --> ewert2000. No legacy file.
• HRTFs: only SOFA files allowed now.

• Functions creating/modifying signals have the prefix sig_ now:

  • Legacy files provided but will be removed in the future. - irns --> sig_yost1996 - whitenoiseburst --> sig_whitenoiseburst - transposedtone --> sig_transposedtone - perfectsweep --> sig_linsweep - notchednoise --> sig_notchednoise - bmsin --> sig_lindemann1986 - simulatedimpulseresponse --> sig_joergensen2011 - itdsin --> sig_itdsin - ildsin --> sig_ildsin - itdildsin --> sig_itdildsin - competingtalkers -> sig_competingtalkers - breebaart2001siggen --> sig_breebaart2001 - bincorrnoise --> sig_bincorrnoise - bandpassnoisefreq --> sig_bandpassnoise

• Model stages in modelstages have the format modelXX_stageYY now:

  • modelXXstageYY --> modelXX_stageYY
  • ffGn --> zilany2014_ffGn
  • breebaart2001preproc --> breebaart2001_preproc
  • No legacy files provided. Adapt your code if directly calling model stages from your code.

New

• baumgartner2017: sound externalization model
• baumgartner2016: level-dependent sagittal-plane sound localization model for NH and HI listeners
• hohmann2002: the gfb_ framework of Gammatone filterbank integrated as hohmann2002 framework
• kelvasa2015: sound localization in cochlear-implant listeners
• emuexp: emulation of experiments using interative runs like 3-AFC
• breebaart2001_centralproc: decision stage from Breebaart et al. (2001).
• exp_breebaart2001: reproduces results from Breebaart et al. (2001) based on emuexp
• model initiative: interface to the model initiative (Dietz et al. 2016)

Structural changes:

• baumgartner2014 decomposed into model stages
• exp_spille2013 merged into exp_dietz2011

• directories re-structured:

  • main scripts of a model go to: model. They are called nameyear
  • scripts with model stages (model scripts other than the main one) go to: modelstages. They are called nameyear_postfix
  • scripts not being part of a specific model go to: general. They do not (!) start with model name.
  • scripts generating audio signals go to: signals. They are called sig_nameyear or sig_functionality
  • scripts returning measured data go to: data. They are called data_nameyear
  • scripts with default parameters of other scripts go to: defaults. They are called arg_callingfunction
  • files being compiled to mex files go to: mex. In order to be compiled, they must have the prefix comp_
  • files being compiled to oct files go to: oct
  • other files requiring compilation/installation go to: bin. Their compilation must be considered in make.bat (Windows) and Makefile (Linux/MacOS).
  • HRTFs go to hrtfs. They are in SOFA and will be downloaded on the fly.
  • Lagecy files providing backwards compatibility fo to: legacy
  • binaural, monaural, speech, filters removed

Other updates:

• dietz2011: minor bug fixes
• data_joergensen2011: completion of data
• exp_baumgartner2014: new figures, compatibility improved
• demo_hohmann2002: new figures
• installation simplified (amt_mex does all the installation now)

Version 0.9.7 (10.6.2015)

New:

• Caching of data: see amt_cache and the cache directory.
• Automatic download of auxiliary data. See amt_load and the auxdata directory.
• Control for messages output in the command line. See amt_disp.
• SOFA files for HRTFs: requires SOFA API, see SOFAload.
• Models: zilany2014, joergensen2011, joergensen2013, georganti2013
• Signals: sig_joergensen2011
• Clean documentation (no errors, no warnings).
• makefile for Linux, compiling of cpp files

Structure changes:

• arg_ functions moved to arg directory, comp_ functions moved to mex, directory comp removed
• plot functions renamed to plot_ and moved to plot directory
• amt_start and amt_mex improved
• readme file for sourceforge added
• reference directory removed (it was a directory with original contributions to the AMT)

Other changes:

• interpolation for various polar-angle samplings
• added new experiment in exp_baumgartner2014: fig5_baumgartner2015aro
• stability improvements in baumgartner2014
• minor bugfix in demo_baumgartner2013 and doc update in baumgartner2014
• exp_lindemann1986: fig 14b disabled: it takes ages and is wrong anyway...
• added reference for verhulst2012
• wierstorf2013: additional files for HRTF handling removed, load the itd-to-angle look-up table with data_wierstorf2013.m now.
• hrtf/enzner2008 removed (enzner2008 data are in auxdata now)
• langendijk2002: data and HRTFs removed from repository (are required data)
• changed the order of announcements on amt_start
• jelfs2011: removed dependency on read_hrir
• plotjelfs2011 moved to demo_jelfs2011.m (plotjelfs2011 was actually a demo).
• progress output supressed in the documentation
• amt_disp introduced for displaying information depending on the start-up condition of the AMT.
• enzner2008 and exp_enzner2008 split in the model and experiment part.
• exp_georganti2013 works for me. Documentation is missing yet.
• may2011 documentation integrated
• 2014 version of may2011 added. demo_may2011 works but documentation invalid yet.
• extractsp: stability improvement
• minor documentation and stability updates, new function baumgartner2014parametrization and functionalities in localizationerror added.
• Fixed imag ILD in dietz2011
• Added function to load some simulated monaural room impulses responses.
• documentation updates and use of SOFA's remote load functionality in data_baumgartner2014.
• major style overhaul of the Joergsen 2011 and 2013 models. Experiments included etc. Does not yet pass mat2doc, and sound files are missing.
• localizationerror: new performance measures added
• data_majdak2010 and ...2013ctc: Angles forced to be real valued.

Version 0.9.6

New:

• Gammatone validation provided, including exp_gammatone, demo_gammatone, exp_hohmann2002, and demo_hohmann2002
• Wierstorf et al. (2013) provided, including wierstorf2013, exp_wierstorf2013, and integration with the SFS toolbox

Fixes:

• data_goode1994: more details provided
• jelfs2011 works now with SOFA HRTFs stored in hrtf/jelfs2011/, e.g., kemar.sofa
• hohmann2007 naming resolved. hohmann2007 renamed to herzke2007, the primary model is called hohmann2002 now
• localizationerror: missing error types added
• exp_spille2013: uses lowpass f_inst

Url: http://amtoolbox.sourceforge.net/amt-0.10.0/doc/CHANGES.php