Lingot is a graphical musical instrument tuner designed to identify the pitch of incoming audio and show how accurately an instrument is tuned. Its name stands for LINGOT Is Not a Guitar-Only Tuner, reflecting its ability to work with many different instruments.
The application resembles a traditional analogue tuner, displaying the detected note and its deviation from the desired pitch. Musicians can use it with a microphone or an instrument connected directly to an audio interface.
Unlike tuners limited to standard guitar tuning, Lingot supports configurable musical temperaments and alternative tuning systems. This makes it useful for players who work with unusual scales, microtonal music or instruments requiring different reference frequencies.
Its GTK interface exposes a wide range of signal analysis options, allowing users to adapt pitch detection to their equipment and playing conditions.
This is free and open source software.
Key Features
- Automatically identifies musical notes from incoming audio.
- Displays pitch deviation through an analogue-style gauge or strobe indicator.
- Shows the detected frequency and closest matching note.
- Supports alternative tuning systems and microtonal temperaments.
- Imports Scala .scl files containing custom musical scales.
- Provides a graphical spectrum display showing the frequency content of incoming audio.
- Supports JACK, ALSA, PulseAudio and OSS audio systems.
- Allows configuration of gain, noise threshold and calculation rate.
- Provides adjustable sample rate, FFT size and analysis window settings.
- Offers advanced peak detection and frequency estimation parameters.
- Allows configuration changes while the application is running.
- Supports saving and loading separate configurations for different instruments.
- Offers configurable visualisation rates for the tuning display.
Website: github.com/ibancg/lingot
Support:
Developer: Ibán Cereijo-Graña, Jairo Chapela-Martínez
License: GNU General Public License v2.0

Lingot is written in C. Learn C with our recommended free books and free tutorials.
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Read our verdict in the software roundup.
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