luzhenhua/echo-flow

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

2277 stars · 398 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

EchoFlow is a self-hosted web application for sentence-by-sentence audio reading and shadowing practice. Users import their own mp3 audio and matching lrc subtitle files, which are stored locally in the browser (IndexedDB) and played back with click-to-play, continuous playback, looping, and speed controls.

Use cases

• practice English listening by clicking individual sentences in textbook audio
• import my own mp3 and lrc files to make interactive read-along lessons
• shadow and repeat sentences from language learning audio
• play audio lessons with EN / EN+CN / CN subtitle display modes
• self-host a point-and-read audio player with Docker
• track learning progress and resume playback where I left off

When to choose

• you have legally owned mp3+lrc textbook audio and want sentence-level playback
• you want a free, ad-free, self-hosted tool with no content uploads
• you need PWA/mobile support and offline local storage of your audio

When to avoid

• you expect built-in textbook audio or content — none is provided
• you need automatic speech-to-text or subtitle generation
• you want cloud sync of your learning data across devices

Facets

application · maturity active

audio-processing web-framework file-upload education web-development browser self-hosted cross-platform language-learning point-and-read lrc-subtitles audio-player pwa shadowing self-hosted indexeddb audio web-server docker

Member repositories

For agents

markdown · JSON · MCP: product_card(name="luzhenhua/echo-flow")