[C-Media Electronics Inc.]

DESCRIPTION
With high speed PCI V2.1 bus controller and legacy audio SBPro® DSPemulator,CMI8738 is designed for PC add-in cards and all-in-one motherboards. No external CODEC is needed in CMI8738: CMI-8738 supports the legacy audio – SBPRO™, FM emulator/DLS wavetable music synthesis, and HRTF 3D positional audio functions. Drivers support EAX® , Karaoke Key, Echo……functions. Above all CMI8738 supports PCtel® HSP56 (1789) interface.
CMI8738 uses HRTF 3D extension technology to enhance traditional HRTF 3D positional audio by substituting two-speaker system by four or six - speaker one.
Being outstanding for its full audio functions, competitive price, and power management, CMI-8738 is the best choice for people seeking for optimum use of the PC applications.

FEATURES
◾ 6CH DAC for AC3® 5.1CH purpose.
◾ HRTF-based 3D positional audio, supporting
   DirectSound™ 3D interface
◾ Supports 4.1/5.1 speakers, C3DX positional audio
   in 4 / 6 CH speaker mode
◾ Legacy audio SBPRO™ compatible
◾ DLS-based wavetable music synthesizer, supports
   DirectMusic™
◾ Built-in 32ohm Earphone buffer
◾ Drivers support EAX® , Karaoke Key, Echo…
◾ MPU-401 port/ Dual game port
◾ 16-bit full duplex CODEC
◾ 32-bit PCI bus master
◾ External E²PROM interface
◾ Single chip design, digital power +3.3V, analog
   power +5V, 128 pins QFP