"Retro digital counter sound: 50 ms short square wave 'beep' at 800 Hz. Add rapid 10 ms pitch rise (700 Hz → 900 Hz) per increment. ADSR: 10 ms attack, 40 ms decay. Layer with 12 kHz sine wave (0.3 amplitude) for click texture. Break monotony with ±10% stereo pan variation and 5% random pitch (760-840 Hz). End with 0.1s fade-out. Aim for crisp, 'mechanical' feedback in games/apps."