SpectrumNotes

Windows 10+ 64-bit desktop application for analyzing live audio (mic or output), and displaying as pitches, color coded for pitch, analyzing chords, keys, and harmonics, with a built-in instrument tuner.

Features

Polyphonic pitch center live detection
Fast pitch/voice tracking
Chord Detection
Key Detection
Color-mapped graph by pitch class
Instrument tuner

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

User Interface

Win32 (MS Windows)

Programming Language

Related Categories

C# Audio Analysis Software

Registered

2026-03-07

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