What is the shadowing technique and how do I do it with YouTube?

By the RepeatWatch team · Updated

Quick answer

The shadowing technique means repeating a native speaker’s words out loud a moment after you hear them. Loop one sentence of 3 to 8 seconds at 0.8×, listen twice, then speak along with the speaker, matching rhythm and intonation. Let the speed trainer add 10% every five loops until you keep up at full speed.

Try this now: loop one sentence and say it with the speaker at full speed. Then try it at 0.8× five times and at full speed again. Did you keep up better?

How to practise the shadowing technique with RepeatWatch

  1. Pick clear, natural speech. Choose a video with one speaker at a time and accurate subtitles, slightly above your level. Paste the link into RepeatWatch.
  2. Loop one sentence. Set A just before the sentence and B just after it. Aim for 3 to 8 seconds. Nudge by 0.1 s so you don’t clip the first sound.
  3. Listen first at 0.8×. Set speed to 0.8× and Pause between loops to 1 or 2 s. Listen twice with subtitles, once without, and check every word.
  4. Shadow it. Speak along with the speaker, a fraction behind. Copy stress, pauses and melody, not just the words.
  5. Speed up with the trainer. Turn on the speed trainer with +0.1× every 5 loops up to 1×. Keep shadowing as it speeds up.
  6. Save and move on. Save the sentence as a section. Ten sentences in 15 minutes is a good session; review yesterday’s first.

Try it now: paste a YouTube link.

5 common mistakes

  • Looping a whole paragraph. If you can’t hold the sentence in your head, the loop is too long.
  • Shadowing before you know what the words are. Check the subtitles first, then speak.
  • Copying words but not intonation, which is most of what shadowing trains.
  • Mumbling. Speak at normal volume, or the mouth movements you are training don’t happen.
  • Never shadowing at full speed. Finish each sentence at 1× even if it is messy.

Frequently asked questions

Does shadowing actually work?

Shadowing is a widely used language-learning exercise for practising pronunciation and rhythm, and researchers have studied it for listening and speaking. It is one tool, not a complete method, so combine it with listening and real conversation.

How long should a shadowing sentence be?

Start with 3 to 5 seconds, about one short sentence or clause. Move up to 8 seconds as your memory for the language improves. If you lose the end of it, shorten the loop.

Should I shadow with subtitles on?

Use them to check the words on the first listens, then turn them off while you shadow. Reading while speaking pulls your attention away from the sound you are copying.

Can I record myself while shadowing?

RepeatWatch doesn’t record you today. Use your phone’s voice recorder for one take at the end, then compare it with the loop. Recording yourself makes the differences much easier to hear.

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