PConline评测室·无缘一见"/>

正在阅读:谁与争锋?华硕声卡XonarD2全国首发评测谁与争锋?华硕声卡XonarD2全国首发评测

2007-07-24 00:38 出处:PConline 作者:PConline评测室·无缘一见 责任编辑:zhangqianliang

RightMark Audio Analyzer test report

Testing deviceASUS Xonar D2 Audio TP08
Sampling mode16-bit, 48 kHz
InterfaceDirectSound
Testing chainExternal loopback (line-out - line-in)
RMAA Version6.0.5
  
  
20 Hz - 20 kHz filterON
Normalize amplitudeON
Mono modeOFF
Calibration singal, Hz1000
Polarity correct/correct

Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.05, -0.03
Excellent
Noise level, dB (A)
-96.5
Excellent
Dynamic range, dB (A)
96.9
Excellent
THD, %
0.0005
Excellent
THD + Noise, dB (A)
-90.7
Very good
IMD + Noise, %
0.0040
Excellent
Stereo crosstalk, dB
-96.5
Excellent
IMD at 10 kHz, %
0.0042
Excellent
General performance
 
Excellent

Frequency response

华硕 声卡 评测

From 20 Hz to 20 kHz, dB
-0.10, +0.05
From 40 Hz to 15 kHz, dB
-0.03, +0.05

Noise level

华硕 声卡 评测

 
Left
Right
RMS power, dB
-95.8
-95.7
RMS power (A-weighted), dB
-96.6
-96.5
Peak level, dB FS
-83.7
-83.7
DC offset, %
-0.0
-0.0

Dynamic range

华硕 声卡 评测

 
Left
Right
Dynamic range, dB
+95.8
+95.8
Dynamic range (A-weighted), dB
+96.9
+96.9
DC offset, %
+0.00
+0.00

THD + Noise (at -3 dB FS)

华硕 声卡 评测

 
Left
Right
THD, %
+0.0005
+0.0005
THD + Noise, %
+0.0033
+0.0033
THD + Noise (A-weighted), %
+0.0030
+0.0029

Intermodulation distortion

华硕 声卡 评测

 
Left
Right
IMD + Noise, %
+0.0040
+0.0040
IMD + Noise (A-weighted), %
+0.0035
+0.0035

Stereo crosstalk

华硕 声卡 评测

 
Left
Right
Crosstalk at 100 Hz, dB
-98
-97
Crosstalk at 1000 Hz, dB
-96
-95
Crosstalk at 10000 Hz, dB
-86
-86

IMD (swept tones)

华硕 声卡 评测

Left
Right
IMD + Noise at 5000 Hz,
0.0042
0.0042
IMD + Noise at 10000 Hz,
0.0042
0.0043
IMD + Noise at 15000 Hz,
0.0041
0.0041

测试小节:

  该规格的测试是用来与16bit/44kHz(基准测试)进行对比的,用来考察声卡的SRC过程对声音回放品质的影响。从两者的数据分析看,成绩相差很小,这说明该卡的SRC问题处理得相当出色(由于没有I/O以及DSP方面更进一步的资料,我们只能暂时猜测为有SRC过程)!

(相关文章《一锤定音!华硕声卡XonarD2深度试音评测》)

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