Multiple analog IO (except MONO, PCBEEP and HP-OUT) are input and output capable with headphone
amplifiers. Four linear headphone amplifiers are integrated to drive earphones on port-A, port-D, port-E and port-F.
The fifth headphone amplifier on port-I (HPOUT) is designed to drive earphone without external DC blocking
capacitors, reducing pop noise caused by the DC blocking capacitors.
ALC663 provides two independent S/PDIF output and supports 16/20/24-bit S/PDIF output function and a sampling
rate of up to 192kHz. The primary S/PDIF output offers connection of PCs to high quality consumer electronic
products such as digital decoders and speakers. The secondary S/PDIF output is used to output digital stream to
HDMI transmitter is getting more popular in high-end multimedia PC.
Addition to the audio functions, ALC663 supports enhanced power management. Its power management design is
compliant to the latest Intel low power ECR, saves more power consumption when audio function is not being used,
offering wake up for jack detection when system is in power down state, which can extend battery life for mobile
system without sacrificing audio features.
The ALC663 supports host audio from the Intel ICH series chipset, and also from any other HAD compatible audio
controller. With software utilities like Karaoke mode, environment emulation, multi-band software equalizer,
dynamic range compressor and extender, optional Dolby® Digital Live, DTS® CONNECT™, Dolby® Home
Theater, and SRS® programs, ALC663 provides an excellent home entertainment package and game experience.