Credits & Sources
Phonaria uses open source projects, linguistic research, and freely licensed resources.
CMU Pronouncing Dictionary
Transcription uses the CMU Pronouncing Dictionary from Carnegie Mellon University. The dictionary contains over 134,000 North American English words with phonetic transcriptions and is released under a BSD license.
Phoneme Audio Samples
Phoneme audio samples come from the General phonetics gallery on Wikimedia Commons. Recordings were created by Wikimedia contributors including Dvortygirl, Peter Isotalo, Denelson83, and Erutuon, and are used under Creative Commons Attribution-ShareAlike and compatible licenses. See individual file pages for authorship and license details.
wordfreq Word Frequency Data
Curated word lists for client-side lookup are generated using wordfreq by Robyn Speer. The library combines frequency data from Google Books Ngrams, OpenSubtitles, SUBTLEX, Wikipedia, and other corpora.
IPA Chart
The IPA chart is based on the International Phonetic Alphabet, maintained by the International Phonetic Association. Consonant and vowel classifications, symbols, and chart layout follow the official IPA chart.
Phonetic Data
Articulatory descriptions, phoneme features, and IPA classifications draw from standard phonetic references and linguistics research.