Overview |
CMI8768+
is the first high performance 8CH PCI integrated sound chip in the world
supporting Dolby® Digital Live 5.1 (AC-3) real-time interactive content encoder.
Dolby® Digital Live encodes all digital audio sources on PC such as 3D game
audio, VCD, MP3, WMA, Internet radio… into 5.1CH Dolby® Digital stream
transmitted via consumer standard S/PDIF link to external decoder/receiver and
even Home Theater system. With Dolby® Digital Live encoder feature, users can
easily connect PC audio to consumer sound system by S/PDIF interface. It
realizes Digital Home Entertainment PC in the living room.
Integrated
S/PDIF transmitter can also pass through 5.1 Dolby® Digital/DTS®, or 6.1/7.1
Dolby® Digital Surround EX/DTS ES DVD audio stream to external receiver
satisfying audio enthusiasts and pioneers.
Being compatible with
various industrial standards for gaming such as
EAX™ 1.0&2.0, A3D™ 1.0,
Direct Sound™ 3D powered by Sensaura® CRL3D HRTF 3D engine, C-Media CMI8768+ can
provide enthusiastic gamers breathtaking sound experience in
gaming. |
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| Features |
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The global first 8CH single sound chip with embedded codec saving
customer total BOM cost |
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Full-duplex 8CH DAC/2CH ADC
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Supports 96K/24bit
playback; 48K/16bit recording |
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CE level high-quality Signal-to-Noise Ratio (SNR)~
100dB |
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IIntegrated S/PDIF transmitter supports 44.1k/48k/96KHz
sample-rate and 16/24bits resolution |
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PCI Rev. 2.2 compliant with bus mastering
modes |
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Supports the latest Dolby® Digital EX and DTS ®ES 6.1/7.1CH DVD soundtrack
playback |
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Two
S/PDIF inputs for optical and coaxial connectors
individually |
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Built-in earphone buffer at front-out
pings(32 loading) |
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One
GPIO (General purpose I/O) support |
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External EEPROM Interface for SID R/W
purpose |
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Supports MPU401 MIDI UART
port |
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DirectSound™ 3 HW
acceleration |
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ACPI
compliant power down management |
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Zoomed
Video Port support |
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Industrial standard 128-lead QFP
package |
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Pin-to-Pin compatible with CMI8738 series
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Digital power = 3.3V & 5V, Analog power = 5V |
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Valuable software technology: |
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Dolby Digital Live 5.1 (AC-3) Real-time Encoder (only
8768+) |
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C-Media Xear 3D™ 7.1 Virtual Speaker SHIFTER
technology |
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Sensaura®CRL3D HRTF 3D positional sound enhancement with multi-drive
7.1, EnvironmentFX, ZoomFX, MacroFX, etc. |
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Unique Karaoke functionality: Mic Echo, Key-shifting, Vocal
Cancellation |
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Interesting Magic Voice™ feature to change
users' voice tone for IP phone, online games, and messenger
applications |
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10-band Equalizer with 12 preset modes; 27 global environment
effects |
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Support 7.1 CH digital audio playback for WinXP, 2K, ME, 98SE
(Microsoft DirectX V.8.1 above is required) |
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Other oncoming features (ASIO
driver, NR/AEC,...) |
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