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Amptools (TM) is trademark of Altec Lansing Corporation - Calculates damping
factor, power-to-load, 2-wire sizes, and cable losses.
AVI Loudspeaker Design Program - A simple freeware program written in 1991 by C. Hoffman and freely distributed by AVI Sound International,
Inc. Calculates ported and sealed enclosures, and provides response graphs for your
review. Also has a simple crossover design utility (2nd order only) if you are planning on using passive units with your speakers. This program is accurate and easy to use.
BandBox - It was designed primarily for the autosound
enthusiast. A program to design speaker boxes for cars dual order bandpass. Isobaric and push and pull boxes.
BLAUBOX by Blaupunkt is a computer aided design program that allows the user to simulate a woofer in an enclosure as well as predict crossover
results. Many thanks to Blaupunkt for making this program available to everyone for free!
BOXMODEL V 4.0 - Is a Loudspeaker Modeling
Program. Features series and parallel, Compound and Isobaric Designs. Sealed,
Vented, and Passive Radiator systems. Active Hi-pass Equalization to 3rd order. Graphs include group
delay, transient response, magnitude, Max SPL, Driver/Passive Rad excursion, and
Impedance. True flat alignments, not approximations. Box dimension calculator.
Single/Multi Port vent calculator. Four concurrent designs. U.S. Units or
Metric.
Box Plot 2.0 is a Microsoft Windows based program that calculates the frequency response and maximum Sound pressure level for any sealed or vented loudspeaker enclosure. This program can be used by anyone interested in building of modifying high quality loudspeaker enclosures for home or professional use. You should be familiar with the
Thiele/Small loudspeaker parameters in order to best utilize this program, but all that is required is a basic understanding of vented loudspeakers and a good data sheet for your drivers. In addition version 2.0 of Boxplot adds passive network design to help with crossover design. First through fourth order (non shareware version) passive
crossovers, L-Pad attenuators and impedance compensation networks can be calculated built to complete the speaker system.
Loudspeaker Modeling Program LMP v1.25
- LMP is a computer program designed to model 2-way loudspeaker
systems. The resulting frequency and phase response curves predict the on-axis sound pressure level produced by the interaction of your choice of
crossover, drivers and enclosure design. LMP assumes that the impedance curve of the drivers in the modeled system have been made reasonably flat by way of Zobel
and/or impedance correcting networks. LMP also assumes that the drivers modeled have a flat frequency response from the low frequency roll-off point to the high frequency roll- off point. Quality drivers on the market today meet this
criteria. LMP assumes that the user has had some experience with loudspeaker systems and crossover networks and is familiar with the terminology commonly used to describe the various parameters
involved.
Loudspeaker Attenuator Design Version 2.0 Lets you provide exact
attenuation.
Perfect Box 4.50. PERFECT BOX is a Computer Aided Design (CAD) program for the simulation of loudspeaker performance. PERFECT BOX is a very powerful tool for the amateur or professional speaker
builder. It is a shareware program that is provided for your evaluation at no cost for a trial
period.
P.E.T. Ported Enclosure Toolkit v1.69 - A DOS based speaker enclosure design
program.
Rockin'Box v1.13 - CAD Speaker design program for vented and sealed enclosures. Aimed at the car stereo
enthusiast.
Room Acoustics Simulator Version 1.0 Audio group W.C.L. University of Patras. A rectangular room response simulator based on the image method with a Windows interface.
Room Augmentation Analysis for Loudspeakers
- A spreadsheet written by Roy Allison to plots room boundary augmentation curves for loudspeakers in real
rooms.
Speaker Design Package - Loudspeaker Enclosure program predicts box
response.
SPEAKER ENCLOSURE CALCULATOR v1.0
- This little program will calculate a nice sounding enclosure for all types of dynamic speakers. The good thing about it is that you don't need a PhD in acoustics to use it.
Snell Computer Assisted Room Analyzer and Listening Environment Optimizer - has been developed to make two powerful mathematical tools of scientific acoustics accessible to home
listeners. Using these tools, the pitch and relative audibility of low frequency sonic colorations can be determined for any rectangular room. In addition, woofer locations for minimal excitation of these colorations can be
determined.
Speaker Workshop - Speaker Workshop is a Windows 95 based program designed to test speaker drivers and design speakers. The program is based on a tree structure
(folders and "files") for a loudspeaker design. All charts, tests, alternate designs, etc. are saved in one single document - easily accessible with names that can be long and descriptive. The program has full multi-step
undo/redo capability. Speaker Workshop can test and measure: Driver Impedance, Passive Components, Transfer
Function, Driver Acoustic Response, and Harmonic Distortion. Speaker Workshop can help you design Enclosures, Stock
Crossovers, Custom Crossovers, and Impedance Compensation Circuits. Speaker Workshop includes a Signal Generator that uses your sound board to play standard audio
signals. Speaker Workshop has a wide range of analytical tools, including FFT, Inverse FFT,
Scaling, Splicing, Filtering, and Charting Speaker Workshop requires a computer running Windows 95 and a full-duplex sound card (for
testing)
SpeakerWorx Version 1.1 - SpeakerWorx automatically calculates the optimum hi-fi speaker position based on your room's dimensions. Based on the Audio Engineering Society's
specifications, this software computes optimum speaker position within the room and also analyzes your current speaker positions and recommends changes to improve the situation and reduce the negative effects a room can have on
sound. Requires Windows [any version]
Spectra Plus - The program works in conjunction with the sound card on your computer. Plug the audio signal to be measured into the Line-In or Microphone jack on the back of the sound card. Spectra Plus then uses the card to perform an "Analog-to-Digital" conversion on the audio signal. This digitized audio is then passed through a math algorithm known as a Fast Fourier Transform (FFT) which converts the signal from the time domain to the frequency
domain. The CPU on your computer is used to perform this transformation.
Speaker Box Design 2.0 - Loudspeaker Box Design
program.
Visual Ears - Speaker Placement Program - Your room, and where in your room you have chosen to locate your speakers and prime listening position, can make a very significant difference in the quality of reproduction. Visual Ears helps you find positioning for yourself and your speakers which can reduce the effects of the room by as much as 15db.
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