OpenVis

A real-time audio visualizer built with PyQt6, featuring an oscilloscope and spectrum analyzer with customizable themes, input devices, and visual settings.

Features

• Oscilloscope

  • Smooth waveform rendering
  • Adjustable zoom and line thickness
  • Peak hold indicator

• Spectrum Analyzer

  • Log-scaled frequency bands
  • Configurable bar count (64–512)
  • Multiple window functions (Hanning, Hamming, Blackman, etc.)
  • Peak hold per frequency band

• Customizable UI

  • Built-in themes (Green, Cyan, Amber, Purple, Red, White)
  • Fully customizable colors (waveform, background, grid)

• Audio Input

  • Select from available input devices
  • Stereo to mono mixing
  • Real-time processing using sounddevice

• Persistent Settings

  • Automatically saves to: dat/sve/settings.json

Source code can be found here : https://github.com/JeevesGB/OpenVis