1. Features
�� The global first 8CH single sound chip with embedded codec
�� Full-duplex 8CH DAC/2CH ADC
�� Supports 96K/24bit playback; 48K/16bit recording
�� CE level high-quality Signal-to-Noise Ratio (SNR)~ 100dB
�� Integrated S/PDIF transmitter supports 44.1k/48k/96KHz sample-rate and
16/24bits resolution
�� PCI Rev. 2.2 compliant with bus mastering modes
�� Supports the latest Dolby® Digital EX and DTS® ES 6.1/7.1CH DVD
soundtrack playback
�� Two S/PDIF inputs for optical and coaxial connectors individually
�� Built-in earphone buffer at Front-Out pins (32٠loading)
�� One GPIO (General purpose I/O) support
�� External EEPROM Interface for SID R/W purpose
�� Supports MPU401 MIDI UART port
�� DirectSound™ 3 HW acceleration compliant
�� Power On/Off anti-pop circuit reference design
�� ACPI compliant power down management
�� Zoomed Video Port support
�� Industrial standard QFP-128 package
�� Almost pin-to-pin compatible with CMI8738 series
�� Digital power = 3.3V & 5V, Analog power = 5V
Valuable S/W:
�� C-Media Xear 3D™ 7.1 Virtual Speaker SHIFTER technology
�� Interesting Magic VoiceTM feature to disguise users’ voice tone in all IP phones
(Skype, MSN, Yahoo,…), online games, messenger, and Internet
DJ/broadcasting applications
�� Unique Karaoke functionality: Mic Echo, Key-shifting, Vocal Cancellation
�� CRL3D® HRTF 3D positional sound enhancement from Sensaura® supporting
multi-drive 7.1, EnvironmentFX, ZoomFX, MacroFX, etc.
�� Supports most industrial standards of PC 3D sound for gaming, including EAX™
1.0&2.0, A3Dâ„¢ 1.0, and DirectSoundâ„¢ 3 SW
�� 10-band Equalizer with 12 preset modes; 27 global environment effects
�� Support 7.1 CH digital audio playback for WinXP, 2K, ME, 98SE (Microsoft®
DirectX V.9.0 above is required)
�� WinCE driver and Linux OSS driver available

CMEDIA CMI8738/CMI8768/CMI8768 8.15 beta

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