echo-loop/Echo-Loop

What it solves

Echo Loop is designed for English learners who have plenty of materials but struggle to internalize them. It solves the "decision fatigue" of language learning by automating the training process, removing the need for users to manually track repetitions, review schedules, or decide which step to take next.

How it works

The app implements a scientific training loop: Intensive Listening $\rightarrow$ Shadowing $\rightarrow$ Blind Listening $\rightarrow$ Retelling $\rightarrow$ Spaced Repetition.

It automates the rhythm of learning by guiding the user through these stages and scheduling reviews based on the Ebbinghaus forgetting curve (ranging from 6 hours to 28 days). It uses AI for transcription, translation, sentence analysis, and speech evaluation to provide immediate feedback on pronunciation and understanding.

Who it’s for

English learners who want a structured, high-efficiency method to move from simply hearing audio to being able to naturally express the same content in spoken English.

Highlights

• Automated Learning Rhythm: Automatically manages repetitions and review timing so users can focus solely on practicing.
• Listening-Speaking Loop: A complete pipeline from intensive listening to active retelling.
• AI-Powered Tools: Includes AI translation, sentence parsing, vocabulary explanation, and ASR-based pronunciation evaluation.
• AI Subtitles: Supports importing local audio and using AI to automatically generate subtitles.
• Contextual Flashcards: Allows users to save words and phrases to review them within their original sentence context.
• Meaning-Group Chunking: Breaks down long, complex sentences into smaller meaning groups to reduce cognitive load.