Looking for downloadable 3D printing models, designs, and CAD files? Join the GrabCAD Community to get access to 2.5 million free CAD files from the largest collection of professional designers, engineers, manufacturers, and students on the planet. Box Software. Car Speaker Box Plans. There are quite a few different enclosure design software programs out there. Kallikattu ithikasam pdf: software, free download. The prices range from free to $1,000+.
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GSpeakers is a Mac-based 3D speaker box design software that was conceived out of the necessity, the fact that there is a lack of an appropriate software on the platform. However, the software is quite powerful and other being accessible on Mac OS, it can also be accessed from Linux and any UNIX system. WinSpeakerz for Windows. EMINENCE DESIGNER SPEAKER BOX DESIGN SOFTWARE Eminence Designer is a state-of-the-art speaker enclosure design program for PCs running Windows 95, 98, NT4 or later. It can take many hours solving complex equations manually with a calculator to design a box that will bring out the best bass response from a speaker. We can provide you with comprehensive Subwoofer Box Design Software for creating a high performance bass box. Build a ported box, sealed box for your low-frequency speaker. Make a subwoofer enclosure plan. Calculate speaker box volume, port length and other parameters without getting confused in formulas.
Simulation software for speaker design has been around since the 1970s. Back then some programs ran on Hewlett-Packard scientific calculators, other software ran on the TRS 80 (RadioShack), and there were many popular programs on the Apple II. Early software was based on SPICE electrical circuit analogy programs for predicting speaker response in various enclosure tuning with variables for box volume, sealed or ported, and various port tunings. Essentially the speaker and the enclosure alignments followed electrical filter characteristics.With the introduction of the IBM PC and DOS operating system in the early 1980s, Thiele-Small (T-S) simulation software for enclosure design became a must-have for speaker system designers (e.g., autosound installers, pro-sound, commercial speaker, and stereo and home-theater speaker designers). In the 1990s, LEAP and other speaker design software grew in sophistication, enabling users to predict the impact of manipulating speaker driver parameters, band-pass enclosures, passive radiators, and crossover networks.
For the most sophisticated design efforts, there are now magnetic circuit design software and finite element analysis (FEA) cone and thermal prediction simulation software. And, the speaker industry has the popular LOUDSOFT FINE series of software simulation programs that include acoustics, crossover design, cone/diaphragm, magnetics, and thermal modeling.
Although LOUDSOFT’s simulation software is well known in our industry, in military and industrial engineering, the leading and most sophisticated simulation software are ANSYS and COMSOL. (ANSYS was founded in 1970 and has nearly 3,000 employees.) These programs are used to predict how something will react to real-world forces, vibration, heat, fluid flow, and other physical effects. FEA can predict whether a part or assembly will break, wear out, or hopefully work the way it was intended. FEA techniques work by breaking down a component into a number of finite elements (e.g., little cubes). Mathematical equations help predict the behavior of each element. A computer then adds up all the individual behaviors to predict the behavior of the part.
FEA can be used to predict the behavior of a part or assembly due to mechanical stress, vibration, fatigue, heat transfer, and even fluid flow (e.g., ferrofluid in the voice coil gap or turbulent air noise in a vent). These programs are characterized as Multiphysics. Multiphysics performs simulations that involve multiple physical models or multiple simultaneous physical phenomena. For example, combining chemical kinetics and fluid mechanics or combining finite elements with molecular dynamics.
Multiphysics typically involves solving coupled systems of partial differential equations. More relevant to speaker engineers is the thermal impact of voice coil heating on acoustic output power compression and similar complex interactions.
How ANSYS and COMSOL Differ
ANSYS was founded in 1970 to develop and market FEA software for structural physics that could simulate static (stationary), dynamic (moving), and thermal (heat transfer) problems. ANSYS is the incumbent and widely accepted industrial standard FEA tool. Cost is dependent on workstations using the software, how many modules, and other factors, but expect to spend $15,000 or more along with annual fees.
COMSOL was founded in 1986 and features a great deal of flexibility when dealing with any physical problems. Additionally, COMSOL provides training seminars on electro-acoustical applications — from transducers to speaker system design to highly specialized work such as micro-electrical-mechanical system (MEMS) microphone designs to headphone ear coupler models.
COMSOL Conference
Many Association of Loudspeaker Manufacturing and Acoustics (ALMA) International members participated in a COMSOL loudspeaker webinar on December 7, 2016. The webinar was specifically designed to teach participants how to use COMSOL’s Multiphysics software to design and characterize loudspeaker drivers and enclosures as well as listening environments.The webinar discussion included computing quantities such as acoustic and electric impedance and sound pressure level (SPL) in the near and far field, post-processing tools (e.g., beamwidth directivity plots), a detailed electromagnetic analysis of a loudspeaker driver, and an acoustic-structure interaction study of its mechanical and acoustic performance.
The webinar information also described how parts of the driver can be lumped and modeled by their T-S parameters as well as how to model the driver inside an enclosure to see how that influences its sound output. COMSOL has many modules, not all of them relevant to loudspeaker engineering, yet even with just the key elements expect to spend $15,000. The base software for Multiphysics is $10,000 and the COMSOL server license is $1,000 per year. You need both before adding specific function software modules (e.g., the Acoustics module), which will add $7,000 plus an annual license cost of $700. COMSOL is often described as more user friendly compared to ANSYS. COMSOL also provides more tools and has many models available.
Personal Experience
Over the years in my consulting work, I rarely came across design challenges that required FEA analysis, usually just some simple enclosure turning or crossover software would do the job. But more recently, projects such as smartphones and earphones require greater analysis. Specifically, the microphone port holes are more complex than you might think.
At first glance the microphone is behind a hole in the case. But in smartphones, the port hole has multiple functions and requirements—keeping out the wind and minimizing the electro-static discharge (ESD) from the outside world that gets into the circuit components through the microphone. The Helmholtz tuning of the port also helps peak up the response on older designs at around 3 kHz to compensate for the many low-pass (3 kHz) filters through the communications system.
Acoustic mesh adds acoustic impedance and is positioned at the front of the microphone port hole to prevent wind turbulence from entering this aperture, as well as block water (assuming the mesh is hydrophobic). It is simple to just follow prior “best practices” and keep these dimensions to the known entities, but those days are over. Now we have “super wide band” standards out to 14 kHz and the next generation of smartphones will have the Enhanced Voice Services (EVS) codecs for super clean and extended response.
The most recent generation of smartphones typically had response to 8 kHz with the mic port peaking at this point and dropping afterward—often along with some parasitic “organ pipe resonances.” Unfortunately, calculation of the port is no simple matter since we have some loosely coupled chambers, not to mention various changing dimensions of the port entry, one or more diameters for the vent, and the microphone opening dimensions.
An even more tortuous path is typical in the output of the smartphone speakers, often exiting sideways through slits. This is the work that requires FEA. Another use for FEA is sports/fitness earphones in which the bio-sensor (for heart rate, body temperature, etc.) occupies the space where the earphone driver is typically, so the acoustic output of the front of the driver has an asymmetrical and bent path out of the sound tube (which holds the eartip) and on into the ear. This sort of acoustical modeling with small geometrical features requires FEA simulation software.
In particular, FEA simulation software is need to determine such effects as thermal conduction and viscous losses that introduce frequency dependent losses and are important when modeling couplings to solids as well as strategies than include coupling thermoacoustics to classical pressure acoustics and lumped models. VC
Alex Butler Discusses FEA Modeling with ANSYS and COMSOL
By Alex Butler
During the early 1980s, home computers allowed us to write software to design underwater and in-air transducers. Image Acoustics and the government along with others developed software to quickly solve equivalent circuits (lumped models) and plane wave models (cascading matrices). These models were one dimensional. We discovered finite element mechanical modeling using a program “Macniel Schwendler” from MSC Software Corp. This software was a result of a government FEA program called NASTRAN. This opened a world of 3-D design for us, and we actually developed our own FEA software.
MSC Software's technology, and more recently its Actran software, developed by Free Field Technologies (FFT), an MSC Software company, is used by leading manufacturers for linear and nonlinear finite element analysis (FEA), acoustics, fluid-structure interaction (FSI), multi-physics, optimization, fatigue and durability, multi-body dynamics, and control systems simulation.
When ANSYS introduced its Multiphysics package, we switched and have been using it for more than 25 years. ANSYS has enabled us to model acoustic transducers and actuators especially piezoelectric transducers under loaded conditions (in-water and in-air) and perform structural and thermal analysis. Twenty-five years ago, this was one of the only commercially available FEA programs that would run under Windows but now there are many.
ANSYS (Figure 1) is not for hobbyists or any casual user. We pay yearly licensing fees and have eight licenses in order to use parallel processing (i.e., I run ANSYS using eight processors at once). You can lease or buy a license. Some aspects such as fluid/solid modeling are said to be more complex in ANSYS but results can be more accurate.
COMSOL is a finite element multi-physics program, which has modules that are directly related to certain aspects of design. The latest updates of COMSOL Multiphysics software, COMSOL Server, and COMSOL Client, feature major performance increases and provide up to a 10× speedup for the handling of large models and mesh creation. Figure 4 shows examples of Multiphysics modeling for acoustics modeling COMSOL has an underwater piezoelectric acoustical projector (Tonpilz projector) example that enables users to perform a full acoustical analysis along with structural and coupled thermal analysis. With the program, the dimensions and number of parts can be easily changed. Data is readily available, impedance, pressure response, and even polar plots (beam patterns).
Figure 5 and Figure 6 show transducer modeling in COMSOL Multiphysics, providing an example of loudspeaker design that enables the user to take a sample loudspeaker electromagnetic model and edit the dimensions, voice coil size, inductance, DC resistance, magnetic circuit, and more. The pressure response, electrical data, electromechanical analysis coupling, damping in the spider, surround and Raylie losses, eddy currents, Lorentz forces, and even back electromotive force (EMF) can also be calculated. Figure 7 depicts another feature, showing how the program enables the user to add an enclosure to the driver. In addition, applications can be made to analyze specific parts of the design (e.g., changing dimensions only for size optimization).
In Retrospect
After 25 years of ANSYS, it is hard to say what I would choose if I was new to FEA work. I am tempted to say ANSYS, but I also would consider COMSOL. The bottom line is that ANSYS and COMSOL are two different FEA programs and some engineers prefer one but there are some engineers who use both. VC
About the author
Acoustic FEA modeling expert Alex Butler of Image Acoustics, Inc. Butler, and his father before him, has specialized in FEA simulations for four decades and have numerous patents, Audio Engineering Society (AES) and Acoustical Society of America (ASA) papers, and significant contributions to the field of military “skunk works” acoustics. Over the last 40 years, Image Acoustics has been involved with in-air audio, underwater acoustics, navigation, sonar and communications mainly for the Navy, Department of Defense and commercial contractors.
This article was originally published in Voice Coil, March 2017
Speaker Simulation and CAD Audio Design Software 2017
Cad Programs For Beginners
ANSYS, Inc. www.ansys.com
Cradle North America, Inc. www.cradle-cfd.com
COMSOL, Inc. www.comsol.com
GedLee, LLC www.gedlee.com/speak.htm
Infolytica Corp. www.infolytica.com
LOUDSOFT, Ltd. www.loudsoft.com
PACSYS, Ltd. www.vibroacoustics.co.uk
R&D Team Software Development www.randteam.de
IJData www.ijdata.com
Redrock Acoustics www.redrockacoustics.com
MSC Software www.mscsoftware.com
Welcome toBodzioSoftware Pty. Ltd.:
“An Interview with NevilleThiele” - By Steve Mowry,Voice Coil 2006.
“…SM: What do you see asthe trends in loudspeaker design and development in the next tenyears?
NT: Active loudspeakers with equalization,lower crossover frequencies, and more nearly omnidirectionalradiation. Theymay not be trends but seem to me a better way of doing things….”.
Introducing the
Exampleof The Ultimate Equalizer System Configuration Screen (BBM+CABS)
Majorcharacteristics of Ultimate Equalizer system are
- Active system – allows amplifiers to exert maximum control over loudspeaker driver and makes crossover characteristics independent of driver loading.
- DSP crossover and voicing – maintains crossover and voicing characteristics with mathematical precision.
- Amplitude and phase HBT equalization – results in flat amplitude and phase responses and extends bass response.
- Linear phase – maintains 0deg acoustical phase response of each driver, which results in transient-perfect system for correct spatial imaging (realism, depth, resolution, ambience) for multi-channel sound reproduction.
- Minimum-phase/Linear-phase room EQ – removes most obnoxious room modes.
- Available with BBM bass management and CABS active suppresor of room modes.
- Remote control – via 2.4GHz wireless keyboard and mouse.
- Built-in WAV Player - with this option, there is no need for any sound cards at all. UE will create and play 'playlists' with the standard CD-style WAVE files (16-bit/2-channels/44.1kHz) using motherboard codecs.
- And also Hi-Res WAVE files 24bits/2-channels/96kHz and 24bits/5.1-channels/96kHz using motherboard codecs and digital add-on sound crads.
- Use Windows Media Player, or install other Media Players – to create audio server and state-of-the-art loudspeaker management system (user-friendliness, power, flexibility, cost efficiency and sound quality) on one HTPC.
- Removes 'flabby' or 'woolly' bass and provides linear-phase bass as commented by:
1. Michael Gerzon “ The subjective effect of phase compensation of the bass from loudspeakers is very marked, giving a much tighter and more 'punchy' quality, with greater transparency, and interestingly a subjective extension of bass response of at least half an octave. The improvement is audible even on loudspeakers with a very high cut-off frequency, such as Quad electrostatic designs. . . . The benefits of bass phase equalisation are considered, by those who have heard itt, to be a substantial improvement over what was hitherto possible with analog technology, and digital equalisation provides a way of improving bass performance without going to ridiculously large giant space-consuming power-hungry monster speakers, and is certainly a much cheaper route “.
2. Keith Howard “As I pressed Play, I didn't know what to expect: a mild improvement or a revelation. To use a curry-house analogy, I was half-prepared for korma rather than phal. But when I compared the unprocessed and phase-corrected tracks, it took only a few seconds of the latter to persuade me that here was a significant improvement. Just as Michael Gerzon described, the phase-corrected sound was both weightier and punchier, and distinctly more coherent. It simply sounded more like a bass guitar, to the extent that I almost hummed along—not something that I would normally expect to do when listening to a bass-guitar accompaniment shorn of all else (sorry, John), and certainly not an urge I felt with the unprocessed track. Still, time-consuming as it was, this experiment involved only a single music excerpt and was conducted in mono, and so hardly offers a comprehensive insight into the full benefit of bass phase correction. But what I heard convinces me that this is an area in which the application of DSP can make a significant contribution to fidelity.”
Source: http://www.stereophile.com/reference/706deep/index.html
Traditional, Minimum-Phase Bass infrequency/time -------------Linear-Phase Bass + HBT (samesubwoofer)
Example1 - Full Digital Solution - AES/EBU 96kHz/24bit Linear-PhaseStereo Playback System
1. The above digital system is described in AES/EBU System paper.2. Inexpensive SPDIF DAC is evaluated in AES/EBU Converter paper.
3. Using SPDIF output to create a 10-channel system withDelta1010LT and concept of a SPDIF amplifier is shown in SPDIF Amplifier paper.
4. Simple, stand-alone 44.1kHz/24bit, 96kHz/24bit Linear-Phase stereo WAV audio server with ALC1150 codec is described in Audio Serverpaper.
Example2 - Hybrid System - Analogue / AES/EBU Linear-Phase 5.2HTPlayback System
1. The above Hybrid Analogue-AES/EBU system is described inHybridAES_EBU_Analogue_System paper.
2. Details of construction of 5.2 UE system is described in AES_EBU_Amplifier_Constructionpaper.
3. Evolutionary approach to expanding UE systems is described in AES_EBU_System_Evolutionpaper.
Example3 (early prototype) - Linear-Phase HT5.2 Loudspeaker System withAnalogue Amplifiers
1.Introduction - Somecomments on motivation for developing the above system.
2. Subwoofers , Subwoofer Construction - Testingof Linear-Phase and Minimum-Phase versions of a subwoofer withMcCauley 18' 6174 driver. Construction of the subwoofer
3. Front Speakers ,Measurements -Construction details of the front two-way loudspeaker. Also,measurement results.
4. Centre Speaker, Measurements- Centre speaker design considerations. Also, measurementresults.
5. Rear Speakers , Measurements -Construction details of the rear two-way loudspeaker. Also,measurements results.
6. Amplifiers , Amplifier Construction- Conceptual stage of developing multi-channel amplifier forTHX-capable, 5.2HT system. Also, details of construction
7. Setbacksand Surprises - Handy hints
8. AlternativeAmplification - Some simple examples of other amplificationsolutions.
9. RemoteControl - 19-function remote control.
10.Conclusions, Updates - A fewthings worth remembering. Also, up-to-date progress.
Ultimate Equalizer V10 has been released.....
For full description of the program features,please download PDF manuals below. This release is recommendedfor i7-960, 3.2GHz or better processors. Please note, thatour software is periodically reviewed and fixes are implementedas an ongoing process.
List of improvements in Ultimate Equalizer V10.0
1. The size of project data files is reduced to half of the V9 size. This is quite substantial change, and allows for faster loading of project files.
2.MLS system uses WASAPI 16bit/24bit drivers instead of the legacy WDM/MME drivers.
The UE includess
Ultimate Equalizer V5.0-V10.0 files:
UE_ManualWASAPII- Complete manual for UltimateEqualizer V5 - WASAPIUE_Manual MME- Manual's Addendum for Ultimate Equalizer V5 - MME,MME-Lite
UE_Manual_Digital- Manual's Addendum for Ultimate Equalizer V6 - Digital
UE 7 Manual Digital- Manual's Addendum for Ultimate Equalizer V7 - Digital
UE 8 Manual Digital- Manual's Addendum for Ultimate Equalizer V8 - Digital
UE 9 Manual Digital - Manual's Addendum for Ultimate Equalizer V9 - Digital
UE 10 Manual Digital - Manual's Addendum for Ultimate Equalizer V10 - Digital
Example of exported files areehere.
Copy Protection:USB dongle..
UltimateEqualizer in AESUltimateEqualizer in AES
Ultimate Equalizer was presented to AES Melbourne Section on14th April 2014. Report (including PDF file with thepresentation) is available from this AES website:
http://www.aesmelbourne.org.au/2014/04/19/meeting-report-april2014/and this website: http://www.aes.org/sections/reports/?ID=1567
Selectedpapers related to Ultimate Equalizer Technology are listed below
1. For a short introduction to the program,please read 'UltimateEqualizer Technology' paper.
2. Example of an audio server + UE systemutilizing several input sourcesis shown in Signal Routing Example paper.paper.
3. Using audio server + UE with
4. SNR in motherboard codec is examined in Computers And SNR paper..
5. Loudspeaker design in 3D - frequency, time, space is reviewedin AttributesOf Linear-Phase Loudspeakers paper.
6. Pre- and Post-ringing of the Impulse Response are reviewed in Pre- And Post-RingingOf Impulse Response paper and thispaper.
7. PC motherboards with 2 / 3 / 4 PCI slots, 8-channel audiocodec, LGA1366 / LGA1155 / LGA2011 sockets are reviewed in PC Motherboards paper.
8. Some comments on AES Technical Council DocumentAESTD1001.1.01-10 are presented in AES_Document_Comments paper.
9. Brief comparison between a DSP equalized loudspeaker and apopular waveguide loudspeaker is shown in Frequency_Time_Evaluationpaper.
10. Phase Errors due to Digitization are explained in Digitization Errors paper.
11. On-axis and off-axis performance of DSP equalizedloudspeakers are reviewed in HT_Loudspeakers_SPL_Polar_Comparisonpaper.
12. Latency in SPDIF DACs is examined in Latency_In_SPDIF_DACs paper.
13. Issues in Inverse Filters are discussed in Comments_On_Kirkeby_Methodpaper.
14. 8digital LPCM channels from motherboard paper.
15. Perfecting 'Punch' is ashort paper discussing this important characteristic ofloudspeaker system.
The Ultimate Equalizer is availablefrom Bodzio Software Pty. Ltd. for $150 - please see the email atthe bottom of this site.
Ultimate Equalizer bundled files release for SoundEasy are:UE_Files , UE_Help_Files , UE_Rockey4 , UE_Rockey4ND , UltimateEqualizer_Rockey4 , UltimateEqualizer_Rocke4ND
SoundEasyincluding
SoundEasy is a powerful and quite large program. It is impossible to present all of it's 80+ screens and dialogue boxes in this space, so only a small number of example screens are shown below.
Subset of CAD screens and TABs Selection of Enclosure Design screens and TABs
Post-Processing - example of screens and TABs in EasyLab measurement section Spectrum Analyser screen - one of the EasyLab tools.
Non-Coherence Distortion screen One of the Non-Linear Distortion screens
System Design screen - viewing from +/-90deg angle horizontally and vertically Managing the location of drivers on front baffle
Minimum-Phase Extraction System also showing an example of misplaced start of the FFT window in MLS measurement system.
ESS meaurement system screen and TABs
A very simple example of Finite Element Method used to calculate room resonances and frequency response of a source and mike placed in arbitrary room locations.
Wavelet Analysis-------------------------------------- STFT Analysis------------------------------------- CSD Analysis ------------------------------ Differential CSD Analysis
Minimum Phase Extraction using Guiding Filter and HBT for Woofer (Left) and Tweeter (Right). Pink - measured SPL, Thin Blue - HBT, Thin Pink - Guiding Filter, Green - measured Phase
Minimum Phase Extraction using Inverse Hilbert-Bode Transform (blue curve). Peak Power Dissipation Ratio
SoundEasy v26 has been released......
SoundEasy + EasyLab system is acomplete modelling and measurementsoftware package. ( for full description of the program features, pleasedownload the PDF manual below )
SoundEasy
DSPFunctions
1. CAD-based
2.
3.
4.
5.
6.
EasyLab
BoxCad
RecommendedSound Cards or Digital Crossovers
For EasyLab measurement system -you will need full duplex, 16/24-bit sound card, such as
4.USB ASUS Xonar U7 (MME)
5.USB RME Babyface Pro (MME)
6.USB Focusrite 2i2 gen2 (MME)
7.Behringer UCA202 (MME, also WASAPI + Windows10)
8.ZOOM UAC-2 USB3 Audio Converter (MME)
For Digital Filter and DigitalEqualizer - we recommend more advanced cards such as,Delta 410, Delta1010LT from M-Audio, FireWire 410, from M-Audio,Layla24, Darla24, Gina from Echo Digital Audio will provide youwith 2-in and 8-out configuration. Many standard sound card canalso be used for 1x2-way system emulation
For Modular Crossover - we also recommendmore advanced cards such as, Delta 410, Delta1010LT from M-Audio,FireWire 410, from M-Audio, Layla24, Darla24, Gina from EchoDigital Audio will provide you with 2-in and 8-out configuration.Also, you can remotely program Behringer DCX2496 (V1.14)Digital Crossover using this functionality.
The V26 release is our most powerful and easyto use upgrade to date and introduces a number of significantchanges. This release is recommended for i7-960, 3.2GHz (or better)processors. Contemporary processors are typically much better then the recommended one. Please note, that our software is periodicallyreviewed and fixes are implemented as an ongoing process.Subsequent Reference Manual changes are uploaded to thiswebsite.
- User adjustable Pivot Point for microphone Polar Plots
- Added manually editable microphone location on Diffraction Front Baffle.
- Added calculation of off-axis diffraction and presentation as Polar CSD plots.
- Added animation to show mike position movement during automated Polar Plot simulations.
- Improved visual resolution of the CD plots by factor of 2.
- Added Circular CD plots presentation.
- “I have data” red LED light up automatically when running polar plot simulations.
- DI calculated for the Pivot Point for both H/V configurations.
- Fixed a bug in Family Plots function for enclosures.
- Implemented “normalized” display for CD plots in Circular coordinates.
- Added animation to show mike position movement during automated DI simulations.
- Improved calibration of DI.
- Fixed overlapping labels on enclosure “Compare” screen, and improved curve colouring scheme.
- Implemented “Cancel” loading option for driver/project file created with different frequency range.
- Implemented “normalized” display for CD plots in XY coordinates.
- Increased Front Baffle size to X=603cm and Y=806cm.
- Fixed “shorted component” bug CAD schematic section.
- Streamlined the process of loading Project Files and removed one warning message.
- Fixed enclosure braces look in 3D plots in System Module.
- Fixed MLS impulse response display location when the time scale is scrolled.
- Inverted CD Polar plots scale.
- Removed “Clear” Comparison Tab function from the Enclosure and Transfer Function Tabs.
- New Plotting Options for CAD and System Modules.
- Fixed ESS impulse response display location when the time scale is scrolled.
- “Clear” button in Frequency Plotting System TAB disengaged from clearing Target curves.
- DF and DE functions respond to “short” and “open” component functions.
- Added “+Diffraction” and “-Diffraction” buttons to add/subtract diffraction in Driver Editor functions.
- Improvements in built-in FEM models.
- Expanded SPL/Phase and Zin/Phase capabilities.
- Updated User Manual
Copy Protection: USB dongle.
SoundEasyDesign Guide by John Kreskovsky, is now available from Music andDesign - http://musicanddesign.speakerdesign.net/Th
BoxCadV4.0 Manual:
Chapter 1
Chapter 2
Chapter 3
Chapter 4.1
Chapter 4.2
Chapter 4.3
Chapter 4.4
Chapter 5
SoundEasy V26 Reference Manual:
Chapter_1
Chapter_2
Chapter_3
Chapter4.1
Chapter_5
Chapter_6
Chapter_7
Chapter_8
Chapter_9
Chapter_10
Chapter_11
Chapter_12
Chapter_13
Chapter_14
Chapter_15
Chapter_16.1
Chapter_17
Chapter_18
Chapter_19
You are also warmlyinvited to join our user group: https://soundeasy.chadgray.info/forum/Upgrades from V23 / 24 / 25 are availabledirectly from Bodzio Software via email. Please contact us viaemail for your own copy. Payments options are explained in moredetails on the User's eGroup site.
Here are some of theusers of SoundEasy package:
1. John Kreskovsky, is hosting'Music and Designn' website with anumbers of references to SoundEasy. Please visit: http://musicanddesign.speakerdesign.net/2. Chad Gray, invites you to visit
3. John Krutke from from'Zaph Audioo' http://www.zaphaudio.com is another skilled user of SoundEasy.
4. Georgee Soong is a very active member of our User's Group. Please vist his http://augene.blogspot.com/
5. Marius Tanasescu has new and very informative website explaining in-details many features implemented in SoundEasy: http://audiojudgement.com/
Distributors ofSoundEasy and BoxCad programs are:
1. Golden AgeMusic AB,
Link:http://www.goldenagemusic.se
2.AKKUS,
Link:
3. E.A.M. - EletroAcústica Mass , RuaVinte e Um de Abril, 850 - Center, 15801-170 - Catanduva - EstateSao Paulo, Brazil
Link: www.eam.com.br
4
Link: http://www.partsexpress.com
5. Roppongi KougakuLimited,4-4-11, Roppongi,Mianto-ku, Tokyo, JAPAN.
Link: http://www.ritlab.jp/shop/
6. Cyrus SystemsTechnology Limited,PO Box2-90, Taichung, Taichung City 40399,
Link: http://www.augene-audio.com.tw/
With our thanks to the SpeakerBuilder, Voice Coil and audioXpresspublishers, you can now enjoy some of our articles on-line.
1. '2. 'ComputerizedLoudspeaker Placement Part I' in SpeakerBuilder, Issue 1 1998, based on SoundEasy V3.00.
3. 'ComputerizedLoudspeaker Placement Part II' in SpeakerBuilder, Issue 4 1998, based on SoundEasy V3.10.
4. 'LowFrequency Acoustics of the Open Plan House'. Based on SoundEasy V3.20.
5. 'LoudspeakerDiffraction Distortion and Radiation Impedance' in Voice Coil, Volume13, Issue 9, 1999. Based on SoundEasy V3.20
6.'The AutoPassenger Compartment as a Listening Room'. Published in Speaker Builder,Issue 1, 2000. Based on SoundEasy V3.30.
7.' How Good IsYour Port'. Published in audioXpress,September 2001.
8.'SubwooferPlacement in NonRectangular Rooms'.Published in audioXpress, Issue 9,September 2002.
9.'Multi-WayTransient Perfect Crossovers'.Some ideas on implementing transient perfect crossovers inSoundEasy
10. '
11. 'ConeBreak-Up Effects'. Modelling ofcone break-up using FEM.
12. '
13. '
14. '
15.
16. ApproximateMinimum-Phase measurements ofloudspeaker's phase response.
17.
18.
19. Single-Channel Measurement option in MLS isdiscussed in this paper SingleChannel Measurement System.
Cad Software Programs
20. Loudspeaker system phase response is discussed inSystem_Phase_Response short paper.
21. Inverse Hilbert-Bode Transform and its application.
22. Diffraction Model in SoundEasy V26 short paper.
23.Modelling Diffraction Part II. V26 short paper.
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BodzioSoftware Pty. Ltd.,
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