Pounding noise? (3)

I believe the answer is:

din

I'm a little stuck... Click here to teach me more about this clue!

'noise?' is the definition.
(din is a kind of noise)

'pounding' is the wordplay.
'DIN' is hidden in amongst the letters.
However, I'm uncertain how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for din that I've seen before include "Hubbub" , "Row, noise" , "'Loud, harsh noise (3)'" , "Loud unpleasant noise" , "Rumpus" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.