Analyse
Analyse one or several multichannel audio files in many formats with Vamp plugins: FFT, LPC, transients, fundamental frequency, formants, tempo, speech-to-text and many more.
Partiels
A free and open-source software suite for analysing and exploring the content and characteristics of sounds, for signal processing researchers, musicologists, composers, sound designers...
Latest version: 2.6.0, released on 1 October 2026 (release notes)
Analyse, visualise, edit and export
Section titled “Analyse, visualise, edit and export”Partiels allows analysis of one or several audio files using Vamp plugins, loading data files, visualizing, editing, organizing, and exporting the results as images or text files that can be used in other applications such as Max, Pure Data, Open Music, etc.
Visualise and edit
Display the results as spectrograms, lines and markers, organise them in groups, and edit them graphically or in tables (copy, cut, paste, duplicate…).
Export and load
Export the results to PNG, JPEG, CSV, LAB, JSON, CUE, REAPER, MAX and PUREDATA formats, and load results from the same text formats.
Automate
Apply the same analyses to many files with batch processing, use the command line interface, control Partiels via OSC, and script documents with PartielsPy.
Analysis plugins
Section titled “Analysis plugins”Alongside Partiels, a wide range of analyses based on audio engines developed at IRCAM and outside are ported to Vamp plugins: SuperVP, Pm2, IrcamBeat, IrcamDescriptor, Whisper, Crepe, and more. You can also use the large number of analysis plugins available on the Vamp plugins website.
Partiels Vamp PluginsDiscover and download the plugins developed for Partiels.
What users say
Section titled “What users say”
The analysis tools offered by Partiels finally reveal the superiority of my music over that of Mozart!
Partiels is the only software powerful enough to transcribe the full range and power of my voice!
The Partiels app is the ultimate tool for any musicologist who works in the field far from the comfort!
Free and open source
Section titled “Free and open source”Partiels is free: you can download it and use it at no cost, for research, teaching, artistic creation or any other purpose. It is also open source: its source code is distributed under the AGPL-3 license on GitHub, where you can follow its development, report bugs and suggest features.
Partiels is designed and developed by Pierre Guillot at IRCAM. If you use Partiels in your research, please cite one of the publications.