shadowing

These pages have looked at 'shadowing' many times:

Jay Doubleyou: the shadowing technique

This is still perhaps the best video around:

English Speaking Practice | How to improve your English Speaking and Fluency: SHADOWING - YouTube

But there are lots of others:

shadowing technique to learn english - Google Search

And you are practicing lots of stuff!

Improve Your Pronunciation By 'Shadowing' Others

Here's a very good guide - plus a warning:

if you’re not careful, especially if you’re a beginner in a language, shadowing could ingrain pronunciation mistakes. The risk is that you mishear sounds and reproduce the nearest familiar sound from your own language. 

Shadowing for language learning: what and how? -

The way round this problem is a voice recognition app, such as google translate: just speak into the microphone what you've just heard - and see if it comes out the same way!

Google Translate

This is really the same as 'parroting':

The Simple 5-step Guide to Successful Language Shadowing | FluentU Language Learning

And you can do this in any language!

Japanese Shadowing Material for Beginners #001 - YouTube

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