You are now entering the PC Anatomy portal

A sound card is a computer component that manages audio input and output, converting digital signals into analog sound waves for speakers and converting analog signals from microphones into digital data the computer can process. While sometimes a physical expansion card installed in a motherboard slot, many modern computers have sound functionality integrated directly onto the motherboard or use external USB devices.

Functions and components

Converts signals: Uses a digital-to-analog converter (DAC) to turn digital data into analog signals for speakers and headphones.

Records audio: Employs an analog-to-digital converter (ADC) to change analog audio from a microphone into digital data.

Provides ports: Features physical connections for devices like headphones, speakers, and microphones.

Audio processing: Can include dedicated chips, preamplifiers, and other processing hardware for tasks like creating 3D sound stages for gaming, as explained by TechTarget and CLX Gaming.