To experience the audio properly, you need to enable "Audio Interpolation" in your emulator (like Project64’s Azimer audio plugin).
Popular emulators like Project64 or Mupen64Plus automatically recognize and adjust for scrambled files. However, feeding an emulator a .v64 or .n64 file forces the software to reorder the data blocks in system memory before launching the game. mario kart 64 u z64 better