GTA IV stores its primary audio data in specific folders within the game directory. If cutscenes are silent or audio is glitched, these files may be missing or corrupted. \pc\audio\sfx Key Files:
...\Steam\steamapps\common\Grand Theft Auto IV\GTAIV\pc\audio\sfx Complete Edition (Retail/Rockstar) ...\Grand Theft Auto IV\GTAIV\pc\audio\sfx 3. Install the Audio Files Back Up Your Files : Before making changes, copy the existing gta 4 cutscene audio files download install