Testing device | 扬声器 (ASUS Xonar Essence STX |
Sampling mode | 24-bit, 44 kHz |
Interface | MME |
Testing chain | External loopback (line-out - line-in) |
RMAA Version | 6.2.1 |
20 Hz - 20 kHz filter | ON |
Normalize amplitude | OFF |
Level change | -0.0 dB / -0.0 dB |
Mono mode | OFF |
Calibration singal, Hz | 1000 |
Polarity | correct/correct |
Frequency response (from 40 Hz to 15 kHz), dB | +0.00, -0.00 | Excellent |
Noise level, dB (A) | -99.7 | Excellent |
Dynamic range, dB (A) | 99.6 | Excellent |
THD, % | 0.0003 | Excellent |
THD + Noise, dB (A) | -93.5 | Very good |
IMD + Noise, % | 0.0038 | Excellent |
Stereo crosstalk, dB | -97.5 | Excellent |
IMD at 10 kHz, % | 0.0028 | Excellent |
General performance | L1 z" @2 v( ~# ~, |5 S | Excellent |
数据是根底,虽然受录音部分限制,不过这个卡说明一个问题~~电脑环境和电源对声音影响有多大。
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不过可以换运放还是很好玩的,外接电源对很多人来说也有玩头0 v# P$ \. j/ A [1 a
lucaa 发表于 2009-2-26 20:55
不知道楼主是用什么版本的RMAA测的
6.0以上开24BIT测的话频响范围是超过20KHZ的,图里最高只到20KHZ
然后,24BIT下动态没超过100DB实在不怎样....* B; D, b& h/ A7 P6 y. ]
jjx01 发表于 2009-2-27 17:29
这个应该是由于老虎卡自身的录音部分的限制! E5 P `# u& w n
找个卡豪华来录音肯定不止这点7 R; n) ^4 U" f6 r {' O
quanfanpro 发表于 2009-2-27 17:34
X-FI MUSIC自卡输出自卡输入的测试里动态和噪音都能过100DB的( e5 X" j3 T, ?& g- d1 ~* I8 R
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那个频响很奇妙....
jjx01 发表于 2009-2-27 21:51
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