Deep learning speech recognition
Rebeca analyzes individual phonemes, not only complete words, so the feedback points to the sounds that need attention.
🦜 AI pronunciation coach
· FR · DE · ES · EN
Practice pronunciation with instant AI feedback
Generate useful phrases or conversations, listen to native audio, record your voice, and get clear feedback from Rebeca, your AI pronunciation coach.
🧠 Deep learning speech AI
🔤 Phoneme-level feedback
🌍 4 languages
bonjour
78%
b
ɔ̃
ʒʃ
Expected /ʒ/, produced /ʃ/ — voice it, like the “s” in “measure.”
u
ʁr
Rebeca: Close! The /ʒ/ came out as /ʃ/. Try voicing it, like the “s” in “measure.”
Why Rebeca
More than a score
Visual articulation guidance
Rebeca includes visual pronunciation guides that show mouth, tongue, lip, and airflow placement for the target sound.
Visual support
See how the target sound is produced
The visual guides make feedback more concrete. They help the learner understand where the sound happens and what to adjust for the next attempt.
Front view and side cutaway
This guide shows nasal airflow, lip rounding, and tongue placement for the target sound.
Clear articulation diagrams
This guide shows lip closure, pressure release, tongue position, and vocal-cord vibration.
How it works
A focused practice loop
Generate a phrase
Choose a language, CEFR level, topic, and tone—or write your own short phrase.
Listen and record
Hear the reference audio, then record yourself directly in the browser.
Improve with Rebeca
See your score and phoneme-level errors, then use Rebeca’s feedback for the next attempt.
Four languages, one practice flow
Practice pronunciation in French, German, Spanish, or English with the same simple loop.
🇫🇷 French“Comment allez-vous ?”
🇩🇪 German“Wie geht es Ihnen?”
🇪🇸 Spanish“¿Cómo está usted?”
🇺🇸 English“How are you doing?”