EchoLingua

EchoLingua is a spoken language learning product that leverages conversational agents to redefine the experience of second language acquisition.

Designed by Diane Hu
Timeline 2023 September (3 months)
Tools
Figma
Prompt Engineering
EchoLingua keyvision — phones running the app surrounded by greeting stickers: Hi! Yo! Howdy! What's up?
Chinese mute English Background: many Chinese learners read and write English well but struggle to speak it — so-called mute English
High demand for talent with high proficiency in English communication Job postings requiring spoken English proficiency Statistics on English communication requirements in the job market
Research scope Research scope map narrowing from language learners to Chinese adult learners of spoken English
Challenges of acquiring oral proficiency Interviews: 8 people, 18 to 29 years old, users of oral English learning platforms like Cambly, FluentU and Call Annie Interview findings on the challenges of practicing spoken English Note: 1 on 1 AI language partners are replacing real foreign teachers as a new growth point, so further interviews compared both classroom types Comparison of learning with human teachers versus AI language partners
Persona Persona of a Chinese adult learner practicing spoken English, with goals and frustrations
How to boost speaking skills Insight 1 on boosting speaking skills Insight 2 on boosting speaking skills Insight 3 on boosting speaking skills Insight 4 on boosting speaking skills
Design concept Design concept: AI language partners that make speaking practice social, low-pressure and always available
Main functions Main functions of EchoLingua
User flow User flow diagram of EchoLingua
Prompt engineering — fine-tuning AI language partners
Prompt engineering process for the AI language partners, part 1 Prompt engineering process for the AI language partners, part 2
Tiffany's avatar

Tiffany

https://chat.openai.com/g/g-jJMqnBulp-tiffany

Loves a casual, light-hearted discussion, like totally

Alex's avatar

Alex

https://chat.openai.com/g/g-2XpUSEJfP-alex

Your man is ready for some laid-back yet insightful tech chats.

Information architecture Information architecture of EchoLingua
Wireframe Wireframes of the core screens Wireframes of additional screens
Visual design language: colors, type and sticker illustrations
Final design — EchoLingua app screens fanned out with greeting stickers Final design