#signature-sound
- Chord arpeggio (the 0 3 7 trick) techniqueChips rarely have enough channels for real chords, so one channel cycles through the chord tones extremely fast. At roughly 25–50 notes per second the ear fuses them into one shimmering chord — the signature chiptune …
- Pulse width modulation (PWM) techniqueA pulse wave's character depends on its duty cycle: 50 % is hollow and round, 25 % brassy, 12.5 % thin and nasal. Sweeping the width while a note plays makes a single channel sound alive — the classic C64/ sid shimmer …