產品分類：電腦、週邊、軟體 - 電腦DIY零組件 - 音效卡 - ASUS 華碩
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華碩 xonar essence st pci 頂級音效卡
124 db snr / headphone amp card for audiophiles!
極致奢華的聲音饗宴-領先業界的124db信噪比
藉由xonar essence st的極致音質表現，您將可重新發現音樂中曾隱而不顯的細節與樂手的巧思
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為何需要耳擴
多數優質耳機需要耳擴(耳機擴大器)提供額外驅動力，才能發揮最好的音質表現
市面上最優質的耳擴選擇
內建耳擴可在極低失真(<-100db)下充分驅動市面上任何耳機產品，不需要另購耳擴也能讓真愛的耳機發揮100%的音色表現
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| audio performance |
output signal-to-noise ratio (a-weighted):
124db for front-out,117db for headphone-out (600ohms) db
input signal-to-noise ratio (a-weighted):
118 db
output thd+n at 1khz:
0.0003% (-110db) for front-out, 0.001% (-100db) for headphone-out
input thd+n at 1khz:
0.0002% (-113db) for line-in
frequency response (-3db, 24-bit/192khz input):
output/input full-scale voltage
2 vrms (5.65 vp-p)
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| bus compatibility |
pci:
pci v2.2 or above bus compatible |
| main chipset |
audio processor:
asus av100 high-definition sound processor (max. 192khz/24bit)
24-bit d-a converter of digital sources:
texas instruments pcm1792a*1 for front-out (127db snr, max. 192khz/24bit)
24-bit a-d converter for analog inputs:
cirrus-logic cs5381* 1 (120db snr, max. 192khz/24bit)
high fidelity headphone amplifier:
texas instruments 6120a2*1 (120db snr, 100db thd+n @ vcc±12v, rl=600ω, f=1khz) |
| sample rate and resolution |
analog playback sample rate and resolution:
44.1k/48k/96k/192khz @ 16/24bit
analog recording sample rate and resolution:
44.1k/48k/96k/192khz @ 16/24bit
s/pdif digital output:
4.1k/48k/96k/192khz @ 16/24bit, dolby digital
asio 2.0 driver support:
supports 44.1k/48k/96k/192khz @16/24bit with very low latency |
| i/o ports |
analog output jack:
rca jack *2 (front r / front l), 6.30mm jack*1 (headphone out)
analog input jack:
6.30mm jack *1 (shared by line-in/mic-in)
other line-level analog input (for cd-in/tv tuner):
ux-in (4-pin header on the card)
digital s/pdif output:
high-bandwidth coaxial/tos-link combo port supports 192khz/24bit
front-panel header:
shared by headphone out / 2 channels out /
microphone in
s/pdif header:
connects to compatiable graphic cards for hdmi output |
| driver features |
operation system:
windows vista/xp(32/64bit)/mce2005
dolby® technologies:
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 ii
dolby pro-logic ii is the well-known technology to process any native stereo or 5.1-channel audio into up to 6.1 channel output, creating a seamless, natural surround soundfield.
smart volume normalizer™:
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
xear 3d™ virtual speaker shifter:
virtual 7.1 speaker positioning
karaoke functions:
music key-shifting and microphone echo effects like professional karaoke machine
flexbass™:
professional bass management/enhancement system
3d sound engines/apis:
vista: directsound3d® gx 2.5, directsound® hw, directsound sw, a3d®1.0, openal generic modes, 128 3d sounds processing capability
xp: directsound2.5 sw, a3d®1.0, openal generic modes, 128 3d sounds processing capability
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 |
| accessories |
1 x 3.5mm-to-rca adaptor cable (8ch)
1 x s/pdif optical adaptors |
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※以上規格資料若有任何錯誤，以原廠所公佈資料為準。 |
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產品分類：電腦、週邊、軟體 - 電腦DIY零組件 - 音效卡 - ASUS 華碩
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