The CS4294 is an AC `97 compatible Audio Codec designed for PC multimedia systems. Using the industry leading CrystalClearTM delta-sigma and mixed signal technology, the CS4294 is ideal for PC 98-compliant desktop, notebook, and entertainment PCs, where high-quality audio features are required. The CS4294 offers four channels of D/A and A/D conversion along with analog mixing and stereo enhancement processing. For multichannel audio systems, the CS4294 can provide four audio channels. The CS4294 provides an enhanced digital docking mode for portable applications by providing a dedicated ADC capture path from the analog input mixer.