DolphinSOE Pronunciation Assessment Service Officially Adopted by Polyglots, K.K.
The comprehensive English learning APP "Recipe", with 2.5 million cumulative users, has now integrated DolphinAI's "English pronunciation correction technology optimized for Japanese learners"!

English Pronunciation Assessment API - DolphinSOE Officially Adopted by Polyglots, K.K.!
The comprehensive English learning APP"Recipe", with 2.5 million cumulative users, has now integrated DolphinAI's "English pronunciation correction technology optimized for Japanese learners"!
DolphinAI Co., Ltd. (Headquarters: Toshima-ku, Tokyo, CEO: Masahiro Asakura) is pleased to announce that the "DolphinSOE (Smart Oral Evaluation) English Pronunciation Assessment API" has been officially adopted by PolyGlots, Inc. (Headquarters: Shinjuku-ku, Tokyo, CEO: Junya Yamaguchi) for its comprehensive English learning application "Recipe" since August 1, 2024. This collaboration will allow users of the English learning app "Recipe" to enjoy higher precision and a variety of practice formats for English pronunciation evaluation and correction, helping users further improve their English speaking skills.
■ English Pronunciation Assessment Feature in the APP "Recipe"
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Go to the
Homescreen → TapSpeakingin the self-study menu → Select theUnityou want to learn. -
As shown in the image below, tap the microphone button to begin pronunciation practice. The system will compare your pronunciation with the model, and you can tap on specific pronunciation points for reinforcement to immediately watch the corresponding instructional video.

"Recipe" English Pronunciation Practice Interface
- Tap the microphone icon to start speaking.
- Scoring based on three dimensions: Comprehensibility, Fluency, and Accuracy.
- Compare correct pronunciation with your actual pronunciation at the phoneme level.
- Offers tutorial videos for areas you can improve.
■ Adoption Feedback from Polyglots, Inc.
- Founder & CEO: Mr. Junya Yamaguchi
We are pleased to have integrated the DolphinSOE technology, developed by DolphinAI, into our English learning APP"Recipe". For Japanese learners, receiving timely and accurate feedback on their spoken output is crucial. We consider DolphinSOE to be at the industry's forefront in terms of accuracy, response speed, and feature completeness.
Furthermore, in the rapidly evolving field of generative AI, DolphinAI possesses core technologies specialized in speech. We look forward to collaborating with them to jointly deliver unprecedented, state-of-the-art English learning services.
- CTO: Mr. Daisuke Kikuchi
DolphinAI's DolphinSOE technology, with its exceptional evaluation speed, high accuracy, and comprehensive content, will be immensely beneficial for English learners. We are also impressed by the company's advanced technologies in the generative AI field and eagerly anticipate collaborating to develop even better services in the future.
We look forward to continuing our in-depth collaboration as partners driving the English education industry forward.
■ What is the AI English Learning App "Recipe"?
"Recipe"is a smartphone-based English learning application that utilizes AI technology to tailor learning courses for each individual student, aiming to help users achieve optimal learning outcomes in the shortest possible time.
Currently, over 2 million users are learning English with "Recipe". The application leverages AI to perform deep analysis of massive learning datasets from these users, integrating individual factors such as English proficiency, target skills for improvement, and available daily study time to automatically generate a personalized "Daily Learning Plan" for each user.
■ What is the "DolphinSOE English Pronunciation Assessment API"?
- DolphinSOE (Smart Oral Evaluation) is a world-leading English pronunciation assessment API service. It has processed over 5 billion calls globally, serves 3 million monthly active users, handles more than 10 million daily API calls on average, and has received widespread acclaim from customers.
A web version of the experience demo is now available at https://soe.dolphin-ai.jp/demo and no login required. Welcome to try it out.

- Basic question types: Experience pronunciation correction of phonetic symbols, words, sentences, and chapters
- Advanced question types: Include exam-level experiences such as Q&A, retelling, selection, recitation, etc.
- Evaluation results in the rhythm dimension (including stress, intonation, etc.) can also be visualized.
■ Corporate Information
DolphinAI, K.K.
Address: Hareza Tower 20F, 1-18-1 Higashiikebukuro, Toshima-ku, Tokyo, Japan
CEO: Masahiro Asakura
■ Contact
【Company】 DolphinAI, K.K.
【Department】 Corporate Management Division – Customer Support
【Contact】 Ms. Asakawa
【Phone】 (+81)03-6161-7298
【Email】 voice.contact@dolphin-ai.jp
【Website】 https://dolphin-ai.jp/