ASUS Xonar DX 7.1 PCI-E Sound Card Review

by Robscix     |     April 23, 2008


Dolby® Digital Live
Dolby Digital Live encodes any audio signal on PC in real-time to Dolby Digital (AC3) 5.1 surround sounds to your home theater environment through one single S/PDIF connection

Dolby® Headphone
Dolby Headphone technology allows users to listen to music, watch movies, or play games with the dramatic 5.1-channel surround or realistic 3D spacious effects through any set of stereo headphones.

Dolby® Virtual Speaker
Dolby Virtual Speaker technology simulates a highly realistic 5.1-speaker surround sound listening environment from as few as two speakers.

Dolby® Pro-Logic IIx
Dolby Pro-Logic II is the well-known technology to process any native stereo or 5.1-channel audio into a 6.1- or 7.1- channel output, creating a seamless, natural surround sound field.

DS3D GX 2.0
-DS3D GX 2.0 supports EAX gaming sound effects and DirectSound 3D hardware enhanced functions on Windows Vista. (DirectX/DirectSound 3D compatible)

Xonar DX provides VocalFX, the latest vocal effect technologies for gaming and VoIP, including: -VoiceEX: produces vivid environmental reverberation for your voice in EAX games -ChatEX: emulates different background environment effects when you chat online -Magic Voice: changes your voice pitch to different types (Monster/Cartoon…) for disguising your real voice or just for fun in online chatting

Acoustic Echo Cancellation (AEC)
Provides advanced Acoustic Echo Cancellation (AEC, eliminates up-to-40dB speaker echo return) and noise suppression technologies for best voice communication quality in VOIP applications or online gaming

Smart Volume Normalizer™
Normalizes the volume of all audio sources into a constant level and also enhances your 3D sound listening range and advantages in gaming
Karaoke Functions
Music Key-Shifting and Microphone Echo effects like professional Karaoke machine

Professional Bass Management/Enhancement system

Xear 3D™ Virtual Speaker Shifter
Virtual 7.1 speaker positioning

Other Effects
10-band Equalier/27 Environment Effects
3D Gaming Sound Engines/APIs
DirectSound3D® GX 2.0 & 1.0, EAX®2.0&1.0, DirectSound® HW, DirectSound SW, A3D®1.0, OpenAL generic modes, 128 3D sounds processing capability
ASIO 2.0 Driver Support:
Supports 44.1K/48K/96K/192KHz @16/24bit with very low latency


Audio Performance:
  • Output SNR (A-Weighted): 116dB Front Outputs
  • Output SNR (A-Weighted): 112dB Other Outputs
  • Input SNR (A-Weighted): 112dB
  • Output THD+N% at 1 kHz (-3dB): 0.00056%(-105dB) for Front Outs
  • Input THD+N% at 1 kHz (-3dB): 0.0004%(-108dB) for Line-In
  • Frequency Response (-3dB, 24/96kHz format): <10Hz to 48kHz
  • Output/Input Full-Scale Voltage: 2Vrms (5.56 Vp-p)
Main Chipset
Audio Processor: ASUS AV100 High Definition Sound Processor (Max. 192kHz/24bit)

Sample Rate and Resolution
Analog Playback Sample Rate and Resolution 44.1k/48k/96k/192k at 16/24 bit
Analog Recording Sample rate and Resolution 44.1k/48k/96k/192k at 16/24bit
S/PDIF Digital Output 44.1k/48k/96k/192k at 16/24bit, Dolby Digital


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