Transcription, annotation, acoustic analysis, translation and editing, backed by free Yorùbá tools, tutorials and games for students of linguistics.
Professional linguistic support for researchers, students, publishers, media houses and tech companies.
Accurate orthographic and IPA transcription of interviews, fieldwork recordings and speech data.
Request a quote →Multi-tier time-aligned annotation for language documentation, corpora and AI training data.
Request a quote →Pitch, tone, formant and duration analysis with clear charts and reports for your research.
Request a quote →Conversation transcription with standard notation, plus analysis for theses and research papers.
Request a quote →Yorùbá ⇄ English translation of documents, plus subtitles for films, sermons and videos.
Request a quote →Careful editing of theses, articles and books, with honest, constructive reviews.
Request a quote →Fieldwork, data collection and documentation of languages and dialects (e.g. Ahan).
Collaborate with us →Tools for students, researchers and anyone working with Yorùbá.
Type a Yorùbá word or phrase with tone marks and under-dots (e.g. ọ̀rẹ́, ṣé, gbogbo).
Draw syntax trees from labelled bracketing, then drag branches and add nodes by hand.
Open tool →Describe features in plain English (e.g. "long pause", "overlap") and the correct conversation-analysis notation is inserted for you.
Enter raw field data and get minimal pairs, distributions and a phoneme inventory.
Open tool →Check spelling, tone marks and grammar in Yorùbá writing.
A growing collection of Yorùbá and bilingual dictionaries.
Yorùbá words defined in Yorùbá, with transcriptions and examples.
Open dictionary →Bilingual entries for French learners and translators.
Cooking terms, ingredients and methods in Yorùbá.
Specialised dictionaries compiled by linguistics students.
Phonetics, Phonology, Morphology, Syntax, Semantics, Sociolinguistics, Discourse Analysis, Computational and Forensic Linguistics.
Step-by-step lessons on YouTube, including ELAN and Praat walkthroughs.
Visit YouTube channel →Build tree structures and test your understanding of X-bar theory.
Learn IPA symbols by place and manner of articulation.
Match sounds to their features: [±voice], [±nasal], [±continuant] and more.
Theta theory, Case theory, Binding and more from Government & Binding.
Practice problems with answers in syntax, phonetics, phonology and morphology.
Original research and reading on languages, culture and society.
The language situation of all 195 countries: official languages, lingua francas and language diversity.
Explore →The Nigerian Constitution explained in Yorùbá.
Research on the sound system of the Àwórì dialect of Yorùbá.
Documentation and description of the Ahan language.
The language and culture of Yorùbá food.
Samples of completed transcription, annotation and analysis projects.
Short description of the project, language and tiers used.
Short description of what was measured and the findings.
Short description of the conversation and the analysis done.
Short description of the document or video translated.
From lecturers and researchers we have worked with.
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Linguist at the University of Ibadan working on Yorùbá language technology, phonetics, phonology and discourse analysis.
I transcribe, annotate and analyse speech data with tools such as ELAN and Praat, translate between Yorùbá and English, and build free Yorùbá language tools, including dictionaries and a grapheme-to-phoneme transcriber, for students and researchers.
Tell us what you need: transcription, annotation, analysis, translation or editing. We'll reply with a quote.