SpectrumViewer for Windows download

Reads audio from Windows audio interface or wave file and creates a continuous spectrum display. Command line support for generating sine, square, triangle and sawtooth wave files. Uses biquad IIR digital filters for frequency detection, plus digital lowpass filters for output extraction. Highly configurable. 60+ FPS with suitable hardware. Manual or automatic gain control.

Features

Continuous display update
Single function, easy to learn
Zoom in on small frequency or dB range
Resizable main window and repartitionable panes
Crosshair cursor when Ctrl is pressed
Single, stand-alone exe file, no install/uninstall
Builds with Visual Studio 2019 or 2022
Bit-perfect sine wave generation for all sample sizes
AVX-512, AVX-2 and AVX vectorization of filter bank

Project Samples

Project Activity

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License

GNU General Public License version 3.0 (GPLv3)

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Additional Project Details

Operating Systems

Windows

Intended Audience

Education, Science/Research

User Interface

Win32 (MS Windows)

Programming Language

Related Categories

C Audio Analysis Software, C Test and Measurement Software

Registered

2022-07-24

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