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Case: YouTube shorts

Extension side panel: the video keeps playing on the page, the panel handles subtitles and practice

Who this is for: people driven by short, content-rich material; anyone turning a commute into practice time.

A 15-minute TED talk is usually human-proofread, focused and steady-paced — split into 60 lines, enough for a week of practice. And you can start immediately: no importing anything.

  • TED / TEDx talks: steady pace, clear structure, high-quality captions — start here;
  • Vlogs, tutorials: more colloquial, better for intermediate learners;
  • Check the CC badge first — a video with no captions at all can’t be practised (the panel will tell you);
  • For a translation to read against: many videos carry a ready-made Chinese track (switchable in CC) — set it as the secondary track in the subtitles menu; only use Auto-translate when there’s none — it’s line-by-line machine translation that uses credits;
  • Set the material’s language to match the video’s language.

Step 2: install the extension, open the panel

Section titled “Step 2: install the extension, open the panel”
  1. Install Enjoy Echo from the Chrome Web Store;
  2. Open the video page, click the extension icon — the side panel appears next to the video;
  3. First time, a three-step onboarding: interface language, your language, the three key keys (Space play / E echo / R record).

The video keeps playing on the original page; the panel handles subtitles and practice — a wide window where both are visible works best.

One full loop on a line (details in Echo (shadowing)):

  1. Listen: Space plays the line, Shift+, slows it down;
  2. Echo: E loops the line, R records your take, G plays it back;
  3. Score: V shows the pronunciation score, down to each word; P shows the pitch contour, blue original and violet you (YouTube’s audio can be captured; Netflix is DRM-restricted and has no original line);
  4. Passed → D next line; not yet → shrink the region and grind those words ([ ]). When a subtitle splits one sentence across lines, click “Add to loop” at the loop’s edge to stitch the lines back into a whole sentence.

Select any word to look it up and keep it; review later in the web app or Enjoy Player.

A note: no word-by-word highlighting in the panel

Section titled “A note: no word-by-word highlighting in the panel”

Platform captions only time the whole line, so the underline can’t follow playback in the extension. Word-level pronunciation scoring is unaffected — Azure assesses your recording against the text word by word, no matter how coarse the caption timing is, so you still see per-word colours and phoneme detail in the panel. Plenty for daily speaking practice; if one talk deserves highlighting too:

  • Mon: listen through the whole talk (listen + look up), pick 10 lines you’d love to say as well;
  • Tue–Fri: 15 minutes a day, 2–3 of those lines each day (listen → echo → score);
  • Weekend: dictate the 5 hardest of the ten; run through vocabulary.

Two talks a month, done well, and you’ll hear the difference in your own voice.

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