At the end of the 1990s, Nintendo and Sony were competing with markedly different hardware strategies. While Final Fantasy VII occupied three PlayStation CD-ROMs with roughly 1,800 MB of storage, The Legend of Zelda: Ocarina of Time had to fit on a 32 MB Nintendo 64 cartridge.
The N64 also lacked a dedicated sound chip. Its main processor therefore had to handle audio generation alongside the game’s calculations and 3D processing. With little room for long pre-recorded tracks, Nintendo and composer Koji Kondo adopted a more compact approach.
Instead of storing complete songs, the cartridge contained lightweight MIDI-style instructions describing elements such as notes, tempo and effects. It also held very small samples of instruments, which the console combined and played in real time. This significantly reduced the amount of storage required for the soundtrack.
That technical compromise also enabled a more responsive musical system. Because the music was assembled dynamically rather than played as a fixed recording, the game could adjust the arrangement according to the player’s actions. In Hyrule Field, for example, the atmosphere could become calmer when Link remained still, while approaching danger could introduce more urgent percussion without a sharp transition.
A limitation that initially appeared to put the Nintendo 64 at a disadvantage consequently became part of Ocarina of Time’s creative identity. The game’s method of combining musical fragments during play helped establish an early example of adaptive audio, showing how restricted storage could encourage a more interactive approach to video game music.
Sources: Jeuxvideo.com.