Standard Sound Card (PCI) This is a typical sound card design. Although most of the newer sound cards use a PCI-E 1x (1Lane) to 8x (with exceptions for some higher end 16x Cards), the standard design remains the same.

Analog to Digital Conversion Example of a digital to analog conversion schematic Analog (what you hear) to digital (what the computer hears) is basically the reverse Example of a few of the many I/O types

Sample of a DSP (Digital Signal Processor) Similar to the CPU function Takes some of mathematical load

IN WHAT FORM DO WE HEAR SOUND; ANALOG OR DIGITAL? Question: