SPPAS - the automatic annotation and analysis of speech

SPPAS in a nutshell (PDF)
SPPAS 4.2 in a nutshell (PDF)

A scientific research software

SPPAS offers open source cross-platform, customizable automatic annotation and analysis solutions for audio and video media.

There is simply no other tool for linguists to simple use in the automatic annotations of speech, the analyses of any kind of annotated data and the conversion of annotated files. You can imagine the annotations or analyses you need, SPPAS does the rest!

Brigitte Bigi is the author of SPPAS: she's a computer scientist, researcher at Laboratoire Parole et Langage, Aix-en-Provence, France.

The French Ministry of Higher Education, Research and Innovation presented the first Open Science Awards for Open Source Research Software - during OSEC 2022:

Honourable Mention to the Special Jury Prize - Open Science Awards for Open Source Research Software - 2022
Honourable Mention to the Special Jury Prize
SPPAS produces automatically annotations from a recorded audio and its orthographic transcription and/or from a video.
SPPAS helps for the analysis of annotated files: statistics, requests, view and edit files.
SPPAS converts annotated files from/to a wide range of formats: xra, TextGrid, eaf, trs...

Hot topics

Hot topic 2022-2023: Support of Bengali language

Thanks to a collaboration with Moumita Pakrashi (Research Scholar at Indian Institute of Technology, Guwahati Kolkata, West Bengal, India), I'm very pleased to announce that SPPAS is able to perform Text Normalization, Phonetization and Forced-Alignment for Bengali language. Method and results will be published at the Language and Technology Conference (21-23 April 2023). Next step is to perform automatic syllabification...

Hot topic 2023: Edit

Annotate manually with the "Edit" page of the GUI:

SPPAS Edit Screenshot
SPPAS 4.2: The Edit page with an audio file, a video file, the manual orthographic transcription and 2 automatic annotations.

Hot topic 2023-2025: Cued Speech Automatic Generation

Cued speech keys generator was introduced the first time in version 3.9, August 2021.

A proof of concept of an augmented reality system was firstly proposed in version 4.2, January 2022.

The proof-of-concept will be turned into a stable version in 2023, then some models based on the analyses of CLeLfPC will be implemented (statistical distributions analyses, machine learning, ...).

Result of the proof-of-concept of "Cued Speech automatic annotation" (SPPAS 4.3).

Why should you trust SPPAS?


How to cite?

Key Facts and Figures


During 2023-2025 SPPAS will partly be supported by Firah (Applied Disability Research).

SPPAS is supported by the LPL - Laboratoire Parole et Langage - Aix-en-Provence (France), an Aix-Marseille University and C.N.R.S. research laboratory.

SPPAS was partly supported by the following projects: