Modern sound design often layers high-frequency "sparkle" sounds with 8-bit, nostalgic sounds to create a more satisfying, high-fidelity experience.
The sound was created by playing an octave or fourth interval upward at a fast tempo. video_game_coin_beep_sound_effect
Simple, monotonic beeps were standard due to low bit-depth. The famous coin sound in Super Mario Bros
The famous coin sound in Super Mario Bros. (1985) was created under strict technical constraints. Composer Koji Kondo used one of the NES's limited sound channels (pulsewave) to create the signature sound. It was designed using a simple wave generator
It was designed using a simple wave generator on the Nintendo, which only had five sound channels.
The coin sound effect is inherently satisfying, tapping into human psychology:
Higher-pitched sounds are generally perceived as positive, signaling a "win" or positive reinforcement, similar to receiving money.