SpectrumTool

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Description

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.

Features

• 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)

Keybinds & Controls

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)

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Requirements

• Microphone/DI input
• PyAudio
• Numpy
• PyGame

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

Usage

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.

Screenshots

License

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