EchoLine：逐句精聽播放器

EchoLine is a local sentence player focused on intensive English listening practice. You can import your own audio or video files, extract the audio, and generate subtitles, turning real English content into sentence-by-sentence learning materials that can be played, saved, and reviewed.

Core Features:

• Import local audio and videos

• Extract audio from videos without playing the video itself

• Generate subtitles using a local model

• Play English sentence by sentence like listening to music

• Highlight the current sentence and support loop listening

• Save valuable sentences to build your own expression library

• Review saved sentences daily

EchoLine does not provide third-party video downloads, link parsing, or content distribution. All learning materials are imported by the user and processed locally.