Complete Dolby Home Theater technologies Inheriting from DX and D2X Xonar D1 also provides complete valuable Dolby Home Theater technologies for games and all home entertainments: Dolby Digital Live; Dolby Pro-Logic IIx; Dolby Headphone; Dolby Virtual Speaker Supports latest DS3D GX 2, 0 for gaming on Vista & XP DS3D GX 2, 0 not only revives EAX and DirectSound effects in games on Windows Vista as GX 1, 0 but also incorporates Dolby Home Theater Technologies (Dolby Virtual Speaker Dolby Headphone Dolby Digital Live Dolby PrologicIIX) to provide best gaming audio experience, Innovative VocalFX makes gaming and online chat more lively and attractive VocalFX is an innovative voice processing technology to let your voice get into the realistic game landscape (VoiceEX) or to emulate the background scenes in online chat (ChatEX), It also allows you to change your voice pitch to disguise who you are (Magic Voice), These features dramatically increase the fun for voice communication on PC, Delivers about 35 times cleaner audio quality (116dB SNR) than most motherboard audio (85dB SNR) The noise on Xonar D1 audio card is only 1/35 (2, 8%) of the noise level from most motherboard onboard audio, In addition Xonar D1 also produces as little as 1/32 (-105dB) of the total harmonics distortion from motherboard audio does (-75dB), Primary InformationForm Factor:Plug-in cardInterface Type:PCISignal Processor:ASUS AV100 High-Definition Sound ProcessorSound Output Mode:7, 1 channel surroundDAC Data Width:24-bitMax Sample Rate:192 KHzCompliant Standards:A3D 1, 0 ASIO 2, 0 DirectSound DirectSound3D Dolby Digital Live Dolby Pro Logic IIx EAX 1, 0 EAX 2, 0 High Definition AudioPC Compatibility:PCUNSPSC CodeUNSPSC Code:43201502 SKU: SY2226106