If you have high-quality speakers or headphones, you will immediately hear the difference.
All sounds are taken from the game for PC.
Installation.
Manually (not recommended)
Extract the archive contents to the game folder and confirm the replacement of files. Make a backup copy of the original files!
Mod managers (recommended)
Use Vortex mod manager or Tomb Raider I-II-III Remastered Mod Manager.
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Other my HQ Sound mod.
Tomb Raider I - HQ Ambient Music and Voice
Tomb Raider II - HQ Ambient Music and Voice
Tomb Raider IV - HQ Ambient Music and Voice
Tomb Raider V - HQ Ambient Music and Voice