Most of the non-SSD hard drives allow for a noise reduction by decreasing head movement speed while accessing data. This ability is called Automatic Acoustic Management or AAM. This tutorial will show how to manipulate AAM values to reduce or increase head movement thus directly affect hard drive's noise level.
This is a companion discussion topic for the original entry at https://linuxconfig.org/how-to-reduce-hard-drive-s-acoustic-noise-level