A handy tool for DIY audio enthusiasts. It generates any desired audio frequency and analyzes your audio system’s frequency response.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Windows
- Linux



TrueRTA is described as ''s audio spectrum analyzer software shows you a detailed picture of what you're hearing in real-time, that is, as it happens. You can create your own professional measurement system starting with TrueRTA software on your PC' and is an app in the audio & music category. There are more than 10 alternatives to TrueRTA for Windows, Linux and Mac. The best TrueRTA alternative is Simple Audio Sweeper, which is both free and Open Source. Other great apps like TrueRTA are Friture, SignalView, WaveSpectra and Visual Analyser.
A handy tool for DIY audio enthusiasts. It generates any desired audio frequency and analyzes your audio system’s frequency response.



Friture is a program designed to analyze audio input in real-time.
Friture displays audio data in several widgets, such as a scope, a spectrum analyzer, or a rolling 2D spectrogram.

SignalView is a stereo sound visualization VST3 plugin. It has a time domain view and a frequency domain view with optional linear or logarithmic display. There is also a sonogram(waterfall) view to see trends in the spectrum.


WaveSpectra is a tool that (FFT fast Fourier transform) an audio signal as input and sound card, the Wave file, and displays the frequency components (spectrum) in real time.

A powerful software implementing a Spectrum Analyzer, Oscilloscope, Frequency meter, Distorsiometer, Volt meter and more... plus complete D/A conversion, ZRLC, Impedance meter

Signalizer is a all-in-one signal visualizing package with a bunch of unique focus-points; real-time audio visualization with optimized 3D GPU graphics, everything being scalable and zoomable gridlessly as well as being arbitrarily precise in both settings and display.




Multi-instrument, audio analysis and metering software for Post and Broadcast Engineers, Music Engineers, Video Editors, Sound Designers and Composers and everyone else that works with audio.




Spetralissime is a standalone Spectrum Analyzer application based on high precision band pass filter bank, more adapted to the human audition.

Collection of programs for audio measurements and analysis in acoustical and communication systems. Uses standard and professional PC sound cards for audio signal acquisition and generation.




MiniMeters is a small persistent & standalone metering app for macOS/Windows. It accepts audio input from any input device on macOS/Windows, the default output device on Windows, as well as an included VST3/AU plugin to insert into your DAW which transmits audio to the...


