1.3Specifications summary

Items

Description

Audio Performance

 

 

 

Output Signal-to-Noise Ratio (A-Weighted):

124dB for Front-out

110dB for Headphone-out

 

Input Signal-to-Noise Ratio (A-Weighted):

118dB

Output Total Harmonic Distortion + Noise at 1kHz

0.0003% (-110dB) for Front-out

(-3dB) :

0.001% (-100dB) for Headphone-out

Input Total Harmonic Distortion + Noise at 1kHz

0.0002% (-113dB) for Line-in

(-3dB) :

 

 

 

Frequency Response (-3dB, 24-bit/96kHz format):

<10Hz to

98

0KHz

 

 

 

 

Output/Input Full-Scale Voltage

2 Vrms (5.65 Vp-p)

Headphone Impedance

Optimized for 32~600Ω

Bus Compatibility

-PCI Express Rev.1.0a specification compatible

-Max. full 2.5Gbps bandwidth per direction and optimized

PCI Express

latency for high-definition audio processing

-Compatible with X1, X4, X8, X16 PCI Express slots

Main Chipset

Audio Processor

24-bit D-A Converter of Digital Sources: High Fidelity Headphone Amplifier

24-bit A-D Converter for Analog Inputs:

Sample Rate and Resolution

ASUS AV100 High-Definition Sound Processor (Max. 192KHz/24bit)

Texas Instruments PCM1792A*1 for Front-Out (127dB SNR, Max. 192kHz/24bit)

Texas Instruments 6120A2*1 (120dB SNR, 100dB THD +N @ Vcc±12V, RL=600Ω, f=1kHz)

Cirrus-Logic CS5361* 1 (114dB SNR, Max. 192kHz/24bit)

Analog Playback Sample Rate and Resolution

Analog Recording Sample Rate and Resolution

S/PDIF Digital Output

I/O Ports

Analog Output Jack:

Analog Input Jack:

Digital S/PDIF Output:

Other line-level analog input (for TV Tuner or CD- ROM):

Front Panel:

Driver Features

44.1K/48K/96K/192KHz @ 16/24bit 44.1K/48K/96K/192KHz @ 16/24bit 44.1K/48K/96K/192KHz @ 16/24bit, Dolby Digital

RCA jack *2 (Front R / Front L) 6.30mm jack*1 (Headphone out)

6.30mm jack *1 (Shared by Line-In/Mic-In)

High-bandwidth Coaxial/TOS-Link combo port supports 192KHz/24bit

Aux-In (4-pin header on the card)

Shared by Headphone out / 2 channels out / Microphone in

Operation System

Dolby Digital Live

Dolby Headphone

Dolby Virtual Speaker

Dolby Pro-Logic II

DirectSound3D Game EXtensions 2.0 & 1.0 (DS3D GX 2.0)

Windows Vista(32/64bit) / XP(32/64bit) / MCE2005

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

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

-DS3D GX 2.5 supports EAX gaming sound effects and DirectSound 3D hardware enhanced functions for more games on Windows Vista & XP. (DirectX/DirectSound 3D compatible)

-DS3D GX 2.5 adds latest VocalFX voice effects for online gaming or chatting.

(continued on the next page)

ASUS Xonar Essence STX