Credits & Sources

Phonaria uses open source projects, linguistic research, and freely licensed resources.

Phonetic Audio Samples

Phonetic audio samples come from the General phonetics gallery on Wikimedia Commons. The recordings were created by Wikimedia contributors and are used under Creative Commons Attribution-ShareAlike and compatible licenses. See individual file pages for authorship and license details.

Sagittal Illustrations

Sagittal cross-section diagrams in the articulation panels are adapted from illustrations by Tavin and Nardog on Wikimedia Commons. The original artwork was modified to create consistent variants for each phoneme.

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.

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. Data is licensed under CC BY-SA 4.0.

Free Dictionary API

Dictionary definitions come from the Free Dictionary API using Wiktionary data. Content is licensed under CC BY-SA 3.0. Audio files cite Wikimedia Commons with per-file licenses.

Example Word Audio

Example word recordings in phoneme details are AI-generated. Synthetic audio lets us iterate on the word list without re-recording. When the set stabilizes, we plan to replace these with human recordings.

Phonetic Data

Articulatory descriptions, phoneme features, and IPA classifications draw from standard phonetic references and linguistics research.