(all news concern TUCT)
- Saving/loading named 3D views, global or project specific
- Shortcut to load a new project using the same 3D-view as the current
- Project-based automatic saving of the latest used
settings for Predict
SxR, Map direct and Map measures
- Simpler scrolling through Predict SxR results
- Different internal Predict SxR algorithms are used depending on case, no more memory issues with many receivers and/or long echogram/IRs
- An additional normalized Schroeder plot showing the decay for one band against a backdrop of all bands
- An interactive option to show only the energy
echogram response
- An STI limit can be specified for STI maps indicating which positions are below the limit
- Optionally suspend update of a big map while changing Max/Range
- Map spreadsheet export with automatic separation into layers that cover eachother in z (such as a balcony above a floor audience)
- Seperate map z-layer displays (show balcony by
itself, floor by itself or both)
- Time trace includes diffuse reflection as well
(it was initially not included since it often creates a too confusing display
but has its uses)
- Several small useful additions and changes
- June 17 the Swiss distributor WSDG-E offers a course in the use of CATT-Acoustic™ and the new TUCT™.
- TUCT™ is released and included in the v8.0j release. TUCT™ is a new software rewitten nearly form scratch that will replace all prediction and auralization in the current CATT-Acoustic™, see overview.
- MultiVolver™ VST a multi-channel real time convolver VST-plugin made mainly for the general multi-channel VST-host AudioMulch (www.audiomulch.com). The plugin can be used with CATT-Acoustic v8 SIM-files, WAV-files, and MAT-files created by CATT or other software. It also allows for multiple source auralization with different anechoic sound for each source (such as binaural listening to stereo loudspeakers, a 2x2 convolution). *)
- The demo manual restructured as an Introduction manual and included also in purchased versions
- Hidden option to enable using all reported CPUs *)
- Auto edge diffusion reminder/help
- Network use of a common Surface properties library
- A protected SD2 file version for ARRAY0
- New DDI DLL for the Ateïs International Messenger column arrays *)
- Demo update (users update via the users' page, see Help|About for a direct link)
- shortcut to make half-sphercial SD0/SD1 directivities
- processing of the Listen project public HRTFs for use with CATT-Acoustic (51 sets) *)
- work now concentrates on finalizing TUCT for release.
- New Sector directivity model (CATT_Generic DDI) *)
- Some useful WAV-file filters for IR listening *)
- Update of the ActiveAudio DLL (SA180P added) *)
- ReflPhinder™ is a B-format (WXYZ) impulse response (IR) analysis and display software
- real time reflection direction analysis based on synthesized classical 1st order polar microphones (cardioid, super-cardioid, hyper-cardioid, figure-of-8) and the patent pending much higher resolution Sector mic™
- the Sector mic™ offers varibale sector widths (30, 25, 20, 15, 10, 5 and 2 degrees)
- a 2º Sector mic™ can render the IR even of a 6 sec church near anechoic when aimed at the sound source
- colored reflection direction 3D balloons of all mic types including Sector mic™
- direct playing and convolution of synthesized microphone IRs, XY- and Blumlein stereo and Sector mic™
- analysis of 1/1-octave band EDT, T15, T30, D50, C7, C50, C80 and Ts (also for mono WAV-files).
- noise compensation option for RT evaluations
- reads B-format files as 4-channel files, WX/YZ stereo files, or W X Y Z mono files
- B-format IRs may be measured by a variety of soft/hard-ware (using B-format micrphones from e.g. Soundfield or Core Sound)
- GratisVolver ™ can be used to deconvolve wet B-format sweeps
- more details and audio examles will follow
- Visually enhanced audience 3D mapping
- A handy way to load a PLT-file in the external viewer for comparions
- Refinements to the multi-core processing
- Geometry debug speedup for complex models
- Some 3D geometry viewing speedup
- optional Direct to Reverberant Ratio (note that many of the previous measures already give more useful info)
- Mouseover value readout on SIM- and CWI-file info impulse response, frequency response and spectrogram graphs
- Hidden option to show T20 instead of T15 *)
- Time trace ray segment coloring also according to reflection order
- A way to select audience planes based on surface material
- Variable suppression of continius shading when using the internal 3D viewing (makes handling of complex 3D PLT-files faster)
- Demo update (users update via the users' page, for more recent versions see Help|About for a direct link, else readme.txt)
- Full detailed calculation and Audience area mapping utilizes multi-core CPUs. Example: prediction for a complex model can be up to twice as fast on a dual-core CPU and up to four times as fast on a quad-core.
- A new prediction display called Time trace, a wavefront-like
display with many options
- Better memory-handling for big plot-files.
- PureVerb™ offers Gang buttons for room size (changing all room dimensions simultaneously) and Directivity Index.
- Faster animation echogram drawing
- ISM history ray bundle plot (shows all rays at the same time)
- Source addition overall SPL eq change (useful for optimizing IEC STI that has level dependent masking)
- New DDI module for d&b audio J-series line arrays *)
- Faster SIM/CWI-file info IR drawing option
- CATT-Walker has a direct B-format output option (requires a 4-channel capable soundcard to be installed and selected and an ambisonic decoder to be used externally) *)
- demo update (minor fix, removing a forgotten debug output)
- New DDI module for Renkus-Heinz Iconyx line arrays *)
- Updated DDI module for ActiveAudio StepArray (new SA250S model and new steering parameters) *)
- Interactive RT estimate speedup
- A new 300 pages printed (and PDF) manual *)
- merging of planes e.g. after an AutoCAD interface export or DXF with 3DFACEs
- PLINFO.PLT shows GEO-file name and line number for each plane
- new GEO-file functions: ABS(x), SQR(x) and CUBE(x), i.e. |x|, x^2 and x^3
- Updated DDI DLL for PanBeam arrays (PB32 and PB40 added) *)
- Option to run several independent sequence-processing files in batch *)
- DXF2GEO adds an extra coordinate decimal in the export
- General:
- reworked, improved and harmonized helpfiles using Compiled HTML Help (CHM), Windows Vista has no longer direct support fo the HLP format.
- separation of program and data folders (harmonizing with Windows Vista requirements)
- Modeling:
- optional ELSE in IF-statements
- exp10() and log10() added to math functions
- the AutoCAD AutoLISP interface is updated to meet with Windows Vista requirements and the SRC command creates the SOURCEDEFS syntax.
- Prediction:
- source level voice shortcuts for IEC STI (Lp_voice_IECmale and Lp_voice_IECfemale) available in the CATT-Edit Template|Source menu
- new handling of calibrated SD2 arrays (DLL Directivity Interface)
- optional full MATLAB result output from Full detailed calculation *)
- Internal and standalone PLT-viewers:
- direct mouse selection of shaded plot-frames (planes in PLINFO.PLT)
- optional autoload of a PLT-file in the stand-alone viewer (for simpler client presentations)
- isometric view shortcut (pressing "I" in parralel perspective)
- 3D-viewer:
- mouse selection of planes and plane sub-divisions with data read-out
- mouse selection of plane-sets for pasting into plane-use dialogs (e.g. audience planes)
- optional autoload of an OGL-file (for simpler client presentations)
- Directivity:
- optional color-shaded directivity balloons
- 2º balloon option for SD2 arrays
- A scripting interface:
- MATLAB, EXE or script interface allowing for optimization of room geometry or data in a Sequence processing REPEAT loop
- Post-processing:
- Spectrogram option with SIM- and CWI-file info, many time and frequency resolution options
- IR display dB option with SIM- and CWI-file info
- toolbar button access to common Info menus
- PureVerb™ creates a new PureVerb eXtended (PVX) file format. PVX is a single-file, multi-input, multi-output, multi-microphone impulse response format that also stores a PureVerb settings-file. A PVX-file can be loaded by File|Open for examining the parameters used when creating the impulse responses, or to re-calculate the same basic responses after some changes in parameters. The PVX-format simplifies use of PureVerb responses in MultiVolver™ since only one file needs to selected for a complete set of filters.
- the new PvxViewer shows the contents of a PVX-file, impulse responses, octave-band filtered impulse responses and decays.
- PureVerb and MultiVolver optionally creates WAV-files in WAVE-EX format.
- mainly a maintenace release
- ABS1 option to give absorption and scattering coeffcients in the range 0..1 instead of in %
- optional use of XP interface
- max number of planes raised, limit essentially removed
- optional noise map with STI amd RASTI mapping where some sources are defined as noise sources
- optional individual receiver noise for STI and RASTI in Full detailed calculation
- new GETGLOBAL/GETLOCAL options with info-text and limit checks
- Schröder frequency estimate
- estimate of a limit for geometrical acoustics (based on the Schröder frequency)
- Nexo Geo D arrays implemented in the Nexo DDI module *)
- optional 3rd order B-format impulse responses *)
- audience area mapping speed-up option (2-20x, case dependent gain typical 3-4x)
- optional source ray factor with audience area mapping to allow less rays for simpler sources (such as fill sources) while still use many rays for main sources. Together with the map speedup option large multi sources cases can be calculate in much shorter times.
- option to display only the mapped audience surfaces (useful to get a more readable map if the audience surface is much smaller than the room plan) *)
- averages calculated in audience are mapping statistics, for STI, RASTI and SPL also the standard deviation is shown
- optional list export of all maps to spreadsheet format
- DXF2GEO, the DXF converter is now included (also in the demo, see File|External CATT Tools)
- NCB noise ratings shown when selecting background noise level for STI etc.
- background noise level displayed in echograms (according to ANSI S12.2-1995)
- optional curves displayed on echograms to help identify potentially detrimental early reflections in e.g. cinemas (based on a Floyd Toole AES paper) *)
- optional calculation of U50, AI, PI, SII *)
- EDT calculated also for multiple source addition echograms
- IACC included in optional binaural post-processing MATLAB output *)
- CATT-Edit includes a source syntax template
- Lp_sensitivity shortcut for Lp1m_a values in source file
- separate direct sound and direct+reflected soiund audience area mapping
- 3D rotatable audience area maps
- color coded closest source group audience area map
- pixel rendering also/only on fictive audience area surfaces as in mapping
- external CATT tools menu
- the "Stage support" measure
- spectra plots for single and multiple sources
- 3D room aim view in mutiple sources addition
- new PLT-viewer shortcuts for viewing along X, Y or Z axis
- WalkDecim, a walkthrough convolver path tool. *)
- multiple PA source real time walkthrough visualization / binaural auralization via the CATT-Walker™ module. *)
- DXF export *)
- complex source speedup
- STI according to IEC 60286-16 2003-05 (updated from IEC 60286-16 1998-03)
- A Forum Acusticum Budapest 2005 paper with auralizations of this famous auditorium
- Further details (links to the paper and models for download)
- unique real time walkthrough visualization / binaural auralization via the new CATT-Walker™ module. *)
- a new receiver file function recwalk() that simplifies receiver placements for CATT-Walker
- support for the CLF (in demo only for viewing), see www.clfgroup.org
- export of geometry to CLF cabinet format (useful for CLF authors)
- balloon plot All option (plots balloons for all bands in one plot-file)
- receiver OVERRIDE option
- negative increments allowed in plane loops
- improved multi-tasking
- an initiative from four prediction sofware developers and two companies involved in audio education and loudspeaker data measurements
- the CLF format will be supported by CATT-Acoustic
- go to the dedicated CLF web site: www.clfgroup.org for a background and download a free viewer or a trial authoring kit
- interactive RT estimate using global ray-tracing
- pixel rendering "quick render"
- SPL map statistics range in Prefs
- finer RASTI/STI map statistics ranges *)
- map statistics spreadsheet file
- initial balloon view angles in Prefs
- walkthrough convolver improvement *)
- convolver plays impulse response
- convolver dialog auto fill-in
- WAV IR convolver plays impulse response *)
- SIM-file info dialog plays impulse response *)
- plot-file list export
- geometry debug additions
- free form plane id dialog editing
- interactive Sabine additions
- plane loops
- double-sided planes speed-up
- ranges in plane definitions
- scattering coefficient auto-estimate
- smoothed audience area maps
- EKgrad graphs for multiple sources
- plot file viewer additions
- enhanced SIM-file information with impulse and frequency response plots
- optional direct impulse response WAV output *)
- general purpose WAV IR convolver *)
- STI according to IEC 60286-16 1998-03
- Relative input and output folders
- Template settings-files for prediction and post-processing
- GEO format additions: EXCLUDE can take ranges, NOHIDELINES, lock() in loops
- Direct and reflected sound pixel rendering
- EKgrad echo disturbance calculation
- arbitrary resolution HRTFs
- Duran Intellivox DDI updates (optional absolute calibration)
What's cooking?
- Fundamentally new and more general prediction and auralization methods: TUCT™ now released see overview.
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