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The UCLA Phonological Segment Inventory Database (or UPSID) is a statistical survey of the phoneme inventories in 451 of the world's languages. The database was created by American phonetician Ian Maddieson for the University of California, Los Angeles (UCLA) in 1984 and has been updated several times.
In the early 1980's, Ian Maddieson developed the UCLA Phonological Segment Inventory Database (UPSID), a computer-accessible database of contrastive segment inventories (Maddieson 1984).
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What is the UCLA phonological segment inventory database?
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How many languages are there in a phonology database?
The following are available free for downloading: UCLA Phonetics Lab Data (formerly Sounds of the World’s languages): Material illustrating the sounds of over 100 languages that have been investigated at UCLA, with an index of sounds by their phonetic characteristics, and an index of languages.
UCLA Phonetics Lab Archive (raw data files not structured for teaching) (NOTE: These files have been digitized at very high sampling rates. It is often useful to downsample before acoustic analysis. See Henry for a Matlab routine to do this; or check out Praat scripts to do this.)
This site is a (hopefully) simple user interface to the UCLA Phonological Segment Inventory Database (UPSID). This Database was compiled by Ian Maddieson and Kristin Precoda (cf. Maddieson, 1984) and contains information on the distribution of 919 different segments in 451 languages.
PHOIBLE is a repository of cross-linguistic phonological inventory data, which have been extracted from source documents and tertiary databases and compiled into a single searchable convenience sample. Release 2.0 from 2019 includes 3020 inventories that contain 3183 segment types found in 2186 distinct languages.
Aug 13, 2005 · UPSID—the UCLA phonological segment inventory database—is a database containing the phoneme inventories of a large genetically based sample of languages [I. Maddieson, Patterns of Sounds (1984)]. Each phoneme is specified in terms of a comprehensive set of phonetic features.
