An Exploratory Study on the Impact of 5.1 Surround Sound on Music Listening Experience: A Case of Hindi Mp3 Songs
Finding official 5.1 downloads for Hindi music can be challenging as most music is produced in stereo. However, there are several reliable ways to access immersive audio: How To Get Started With Surround Music | IAA
Not all Hindi movies have true 5.1. Search for movies released post-2003 with "Dolby Digital" on the DVD cover. Newer movies (2020+) on Netflix/Prime often have 5.1 but are DRM protected.
While not "free download," these services offer the legally: