How Diagnosis Works
Different first languages break different sounds
Our own AI models correct your pronunciation precisely.
Technology
We identify your language background from voice alone
Speech recognition reads your intonation and identifies which language group you belong to.
We analyze the raw signal
Turning speech into text loses intonation and pitch. We analyze the original waveform.
We extract error patterns
Our own speech model classifies the speaker’s language group, then pulls its error patterns.
We coach the sounds you miss
Coaching follows your language’s error patterns during the call.
Thirty seconds of speech tells us your language group.
What We Analyze
We break sound into three axes

Phoneme level
We separate final consonants and vowels to find which sound went wrong

Intonation & pitch
We analyze the actual waveform for fine-grained pronunciation

Aspirated & tense
Plain, aspirated and tense consonants are read from breath strength.
Native Language
The same sentence breaks differently by country
Chinese speakers

Endings disappear
We coach you to stop with the tongue in place.
Japanese speakers

Extra vowels slip in
We coach you not to carry the final consonant over.
English speakers

Vowels glide
We coach you to hold the mouth shape.
Every language brings its own error pattern
See the sounds your language group gets wrong.
Pipeline
The diagrams are computed, not drawn
We vectorize the reference, skeletonize the tract and measure duct width at every point. Constrictions are never placed by hand.

ㄱ release · 127 centerline points · the constriction is taken automatically as the narrowest duct width inside the search range.
Report
Get BeaverTalk’s detailed pronunciation report
Check your pronunciation and fix it
Pronunciation score by call
Get an overall score from every call
Accuracy by phoneme
Pinpoints which sound collapses
- Final ㄹ34%
- ㅓ / ㅗ58%
- ㅅ / ㅆ82%
- Final ㄴ91%
Call on the web and get your score and missed sounds right after.
Diagnosis Example
This is what one diagnosis looks like
Taken from an error common among Chinese speakers.
You are producing a nasal as a stop


Send the air through the nose. Right now you burst it out at once.
This is how it sounds
Practice with this pair
Measure your accent score
- Identify which accent you have
- Get your frequent misses as cards
- Publish the result as a shareable image
- No sign-up needed




