SpectrumTool Demo GIF

This application is a spectrum analyzer that displays the frequency spectrum of an audio stream in real-time, with optional effects on the audio stream.

• Real-time frequency spectrum analyzer
• Solid and line spectrum view
• Microphone on/off toggle
• Output mute/unmute toggle
• Spectrum freezing
• Frequency shifting
• Hard clip distortion effect
• Gain control
• Keybind menu
• Dynamic UI resizing/scaling
• Recording to .wav file (will create out/ folder if it doesn't exist)

Click and drag a knob to adjust its value or scroll with mouse wheel over a knob to adjust its value. Click on a button to toggle its state.

• ESC to quit
• V to toggle between lines and solid spectrum view
• N to toggle microphone on/off
• M to toggle mute/unmute
• F to freeze the spectrum
• R to record audio to .wav file
• SHIFT + LEFT CLICK to reset a knob to its default value
• CTRL + LEFT CLICK to allow finer control of a knob
• RIGHT CLICK on FREEZE to toggle freeze mode (other parameters can be adjusted while frozen)

• Microphone/DI input
• PyAudio
• Numpy
• PyGame

Note: The executable version does not require the Python dependencies, only mic/DI.

Clone repository and run py spectrumtool.py OR download the SpectrumTool.exe executable from the Releases section. The executable is a standalone application and does not require the assets/ folder or the out/ folder to be present in the same directory.

Audio input Fullscreen Solid spectrum Shifted frozen spectrum Shifted frozen spectrum solid Keybind menu Save message

This project is licensed under the MIT License - See LICENSE file for details.