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
Poland
EU

Apps similar to TrueRTA include Simple Audio Sweeper, which is free and open source. Other options are Friture, Prism meter, SignalView and MiniMeters. You can choose from more than 10 apps like TrueRTA for Windows, Linux and Mac.
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.

Prism is a free, open-source, cross-platform audio analyzer and meter rack for Windows, macOS and Linux. It captures system or device audio and includes seven customizable real-time scopes, VST3/AU versions for DAWs, profiles and themes, popout windows, a rolling recording...




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.


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...



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.




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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.




