14thAnnual Conference of the International Speech Communication Association

Lyon, France
August 25-29, 2013

Demonstration of LAPSyD: Lyon-Albuquerque Phonological Systems Database

Ian Maddieson (1), Sébastien Flavier (2), Egidio Marsico (2), François Pellegrino (2)

(1) University of New Mexico, USA
(2) DDL (UMR 5596), France

LAPSyD, the Lyon-Albuquerque Phonological Systems Database, is an online phonological database equipped with powerful query, mapping and visualization tools. It stems from the UPSID and WALS databases, enhanced with newly validated data not only covering segmental inventories but also syllable structures, stress and tonal systems. In its current version it covers around 700 languages and it is accessible at This Show & Tell aims at providing an overview of the database content and features and demonstrating the richness of the queries and visualization tools available to the user.

Full Paper

Bibliographic reference.  Maddieson, Ian / Flavier, Sébastien / Marsico, Egidio / Pellegrino, François (2013): "Demonstration of LAPSyd: lyon-albuquerque phonological systems database", In INTERSPEECH-2013, 2670-2671.