True Audio: Audio Spectrum Analyzer and Loudspeaker Design Software

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Measure Audio Signals	Design a Loudspeaker Enclosure	Learn about Loudspeaker Design	Measure Z and Driver Parameters

TrueRTA's audio spectrum analyzer software shows you a detailed picture of what you're hearing in real-time, that is, as it happens. All you need is a Windows PC with basic sound capability. The test instruments found in TrueRTA include: ● Real Time Audio Analyzer ● Low Distortion Signal Generator ● Dual Trace Oscilloscope ● dB SPL, dBu and Crest Factor Meters	WinSpeakerz is a loudspeaker simulation program. This popular speaker simulator lets you propose various speaker systems and then evaluate them in software before you cut wood or order expensive transducer components. ● Customize your Driver Library ● Box Calculators ● Crossover Calculators	Introduction to Loudspeaker Design is written for students, technicians, engineers and hobbyists seeking an overview of the technology of loudspeakers. Topics include: ● Loudspeaker Design Tradeoffs ● Spatial Loading ● Diffraction Loss ● Cavity Effect ● Enclosure Construction	DATS measures loudspeaker parameters or passive component values in just seconds and even includes our unique impedance based Rub and Buzz test. ● Measure Speaker Parameters ● Perform Rub and Buzz Testing ● Measure R, C and L values ● Generate Audio Waveforms Buy DATS at Parts Express
Starting at $39.95	$39.95	$24.95	$129.00
Learn more about TrueRTA	Learn more about WinSpeakerz	Learn more about Introduction to Loudspeaker Design	Learn more about DATS

TrueRTA Audio Spectrum Analyzer for Windows
About TrueRTA	TrueRTA Selection Guide	TrueRTA FAQs	TrueRTA Support	TrueRTA Downloads

Starting at $39.95

Create your own audio measurement system starting with TrueRTA software and your Windows PC. Then add a measurement microphone and USB interface and you have a full audio/acoustic test setup. Start with the free level 1 edition which provides a 1 octave spectrum analyzer, a dual trace oscilloscope and a signal generator. Level 1 never expires. Once you get to see the power of the software and how easily you become productive with it you will want to upgrade to a higher level with greater resolution. More...

Brent Butterworth writing for Sound and Vision Magazine, Jan 2011 :

"While lots of audio measurement software applications exist for the PC, the one that seems to have captured the hearts of engineers and enthusiasts is TrueRTA, available at trueaudio.com. Most speaker engineers I know keep a copy on their computers."

Paul writes:

As an experienced electronic musician holding degrees in music and physics I have a lot of frequency analyzers at my disposal. TrueRTA is simply the best! It is feature rich and simple to use. The display is the most readable of any analyzer I have used. I always have it running when I am working on my music or recording and processing LP records.
Kudos to the True Audio team.

Click Here to download the FREE TrueRTA Level 1
Level 1 NEVER EXPIRES! Windows XP, Windows 7/ 8/ 10 Compatible!

Click here for hardware suggestions for TrueRTA

Introduction to Loudspeaker Design, 2nd Edition by John L. Murphy
or (commissions earned)	*Introduction to Loudspeaker Design* is written for hobbyists, students, technicians and engineers seeking an overview of the technology of loudspeakers. Starting with a brief history of audio developments the book begins by introducing the concepts of frequency, pitch and loudness and proceeds to develop the idea of a loudspeaker as a system. The book is now in its second edition and covers such topics as loudspeaker design tradeoffs, spatial loading, diffraction loss, cavity effect and enclosure construction. A complete chapter is devoted to the subject of crossover design. The appendices contain technical references, design aids and a chart depicting 18 different loudspeaker enclosure types. More...
	2nd Edition Chapter Headings include:
	Audio Basics Loudspeaker Basics Speaker Response Functions Advanced Loudspeaker Topics Enclosure Design	Crossover Design Driver Parameter Measurement Loudspeaker Simulation References and Design Aids Glossaries and Box Types
	Click here to learn more!

Audio Books

Free Demos

Audio Topics

From True Audio

'Introduction to Loudspeaker Design"
by John L Murphy

Now in its 2nd Edition
The book for hobbyists, technicians, and engineers seeking an overview of the technology of loudspeakers.

	Read the full book review
	Read About ILD!

Visit The Audio Engineering Bookstore

Download our Real Time Analyzer!

TrueRTA Level 1

Download a Demo of our WinSpeakerz software and see for yourself what loudspeaker design is all about!

Get the WinSpeakerz demo and Demo Manual!
For Windows XP, Vista and Windows 7/8 - Never Expires!

Free Stuff


	Download a Box Chart for Windows
	Download a Baffle Reaction Radiation Spreadsheet
	Download a SPL to % Efficiency Conversion Chart
	Download a Linkwitz Transform Circuit Design Spreadsheet

	Murphy on Tubes vs. Solid-State
	Echo, Reverb and Time Delay Effects
	John Murphy's Posts on Audio Topics

Speaker Topics

	Overview of Crossovers
	Overview of Crossovers-II
	Linkwitz-Riley Crossovers
	Neutralizing L(e) with a Zobel
	Design a Linkwitz Transform Circuit

Audio Links

	Organizations
	Speaker Driver Manufacturers
	Speaker Component Sources
	Speaker System Manufacturers
	Speaker Suppliers
	Speaker Reconing
	Audio Search Engines
	Other Audio Sites
	Woodworking Sites

DIY Audio Projects

Murphy-Corner-Line-Array
FREE DESIGN PLAN!

Catalog

Reviews

Customer Comments

About John L Murphy

	Windows software
	Book - ILD
	Audio Engineering Book Store

	Speaker Builder reviews Introduction to Loudspeaker Design
	Secrets of Home Theater and High Fidelity reviews WinSpeakerz
	Voice Coil Magazine on WinSpeakerz
	Affordable Audio On TrueRTA

See What Our Customers Say About TrueRTA!

"I'm using True RTA installed on an iView CyberPC. It's a Wndows 8.1 PC on a HDMI stick. It's plugged into a powered 4 port USB hub to which the UCA202 is connected.
Everything worked first shot, no issues with either the software or hardware. In fact, the first Sweep I did showed me I had a problem with the amp being tested!
So, just this note to thank you for the great product. Best, Jack"

"I find this quite an amazing package. To put this amount of test gear together in earlier days would have cost me tens of thousands of dollars. Very nicely designed, very user friendly, and tells me all I need to know in a quick and efficient way. I take my hat off to your designer !! - Arthur"

John is the designer of:

TrueRTA

WinSpeakerz

DATS

and the author of:

'Introduction to Loudspeaker Design'

About the Author

Support

	TrueRTA Support WinSpeakerz Support
	WinSpeakerz Drivers

Special Pages

True Audio's Bass List Page

Press Information Page

Learn to use TrueRTA at the Audio Visual Science Forum:

Questions about Sound Cards, Microphones or Calibration?

Click here: TrueRTA FAQs

DATS V3, the Dayton Audio Test System
	*DATS is an impedance measurement system* with the ability to measure loudspeaker parameters in just seconds. DATS V3 is the latest edition of the Dayton Audio Test System with a new generation of hardware. The original DATS set new standards for speed, accuracy and precision in audio impedance testing. Now DATS V3 expands and improves everything users have come to love about DATS. DATS was designed by John L. Murphy in collaboration with Dayton Audio. About DATS V3 The DATS V3 Brochure Buy DATS V3 at Parts Express
$129.00 at Parts Express