TrueRTA - Audio Spectrum Analyzer Software TrueRTA audio spectrum analyzer software, in combination with your PC, provides a test capability that would normally require thousands of dollars worth of traditional audio test instruments. Now you can afford the powerful audio testing capability normally seen in better audio research and design laboratories! Includes: Real Time Analyzer, Low distortion, Signal Generator, Digital Level Meter, Crest Factor Meter

SPAN Plus - FFT Audio Spectrum Analyzer plug-in Fast Fourier transform spectrum analyzer. Stereo, mid-side, surround spectrum analyzer. Stereo correlation meter. Multi-track spectrum comparison. PNG spectrum snapshot saving. K level meter. This plug-in is compatible with Windows (32 and 64-bit Windows XP, Vista, 7 and later versions) and Mac OS X (10.5 and later versions, 32-and 64-bit, Intel processor-based) computers.

SpectraPLUS - Audio Spectrum Analyzer SpectraPLUS allows you to perform complex audio signal analysis without the use of any other hardware other than your Windows compatible sound card. Real-time FFT analysis of live input.

2015-P - Audio Analyzing Digital multimeter, 4Vrms Source with peak analysis The Models 2015-P and 2016-P Audio Analyzing Digital Multimeters and the Models 2015 and 2016 Total Harmonic Distortion Multimeters combine audio band quality measurements and analysis with a full-function 6-1/2-digit DMM. Test engineers can make a broad range of voltage, resistance, current, frequency, and distortion measurements, all with the same compact, half-rack measurement instrument. Two of the most powerful and precise audio spectrum analyzers available, the Model 2015-P and 2016-P offer additional processing capacity for frequency spectrum analysis.

RAL - Realtime Analyzer Light Quality sound measurement software equivalent to $10,000 hardware. Simple and easy-to-use RTA, Real Time Analyzer. For wide scope of audio and acoustics: car audio, home audio, concert hall and room acoustics, sound analysis and noise measurement.

PAA3 - Handheld Audio Analyzer with USB Interface Handheld Audio Analyzer with USB Interface. # Palm-sized, lightweight audio analyzer for all sound engineers
# 31-band spectrum analyzer, RT60, SPL meter, and more
# Easy operation with built-in microphone and generator
# EQ setting calculation offers advice for boosting and cutting at the touch of a button
# USB interface allows real-time computer operation

Modulation Analyzer The Modulation Analyzer is a complete Test and Measurement tool, incorporating a multitude of innovative features such as a digital FM demodulator, RF spectrum analyzer, oscilloscope, dual channel audio generator, distortion meter, MPX and RDS analyzers and now, also an inbuilt RF Generator.

Invisible Waves - RF Spectrum Analyzer Series of PC-based, RF spectrum analyzers -- specifically designed for the professional audio and video industries. These new analyzers are touted as the world's first, PC-based RF spectrum analyzers which offer automatic charting of open white space (open RF frequency) for use with wireless microphones, in-ear monitors, remote control, security, access control, etc. Model IW1800: 9KHz - 1.8GHz / Model IW3500: 9KHz - 3.5GHz

SA-3052 - Real Time Analyzer The SA-3052 is a microprocessor controlled, one-third octave, real time spectrum analyzer. It is affordable, rugged, reliable, easy to use, fast to setup, and designed and manufactured by audio enthusiasts who have been building spectrum analyzers for twenty years.