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标题: 怎么没人评论这个?是不是测错了 [打印本页]

作者: bear437    时间: 2007-7-11 11:51
标题: 怎么没人评论这个?是不是测错了
我的4670在kx的测试,怎么样??:unsure: :huh: " Q. Q% i3 P$ V8 f- M* {

* S6 B/ V+ \! s0 i. o/ ~kX Wave CT4670 10k1 [9000] 0/1RightMark Audio Analyzer test
4 |4 r( g7 f, ?8 ZTesting chain: External loopback (line-out - line-in)
9 g4 m/ H" n0 h/ z) _Sampling mode: 16-bit, 48 kHz
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Summary
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Frequency response (from 40 Hz to 15 kHz), dB:+0.00, -0.00Excellent
Noise level, dB (A):-99.7Excellent
Dynamic range, dB (A):95.7Excellent
THD, %:0.0015Excellent
IMD, %:0.0045Excellent
Stereo crosstalk, dB:-101.0Excellent
IMD at 10 kHz, %:0.0053Excellent

% H" W! C' q1 G  }8 OGeneral performance: Excellent
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Frequency response
[img=512,324]file:///F:/SOFTWARE/系统硬件测试/声卡测试/创新声卡/kX%20Wave%20CT4670%2010k1%20[9000]%200_1/fr.png[/img]
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Frequency rangeResponse
From 20 Hz to 20 kHz, dB-0.00, +0.01
From 40 Hz to 15 kHz, dB-0.00, +0.00
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# j2 ^( B' a8 jNoise level
[img=512,324]file:///F:/SOFTWARE/系统硬件测试/声卡测试/创新声卡/kX%20Wave%20CT4670%2010k1%20[9000]%200_1/noise.png[/img]
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ParameterLeftRight
RMS power, dB:-98.6-98.6
RMS power (A-weighted), dB:-99.7-99.7
Peak level, dB FS:-89.4-89.4
DC offset, %:-0.00-0.00
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Dynamic range
[img=512,324]file:///F:/SOFTWARE/系统硬件测试/声卡测试/创新声卡/kX%20Wave%20CT4670%2010k1%20[9000]%200_1/dynamics.png[/img]
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ParameterLeftRight
Dynamic range, dB:+94.6+94.6
Dynamic range (A-weighted), dB:+95.7+95.7
DC offset, %:-0.00-0.00

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THD + Noise (at -3 dB FS)
[img=512,324]file:///F:/SOFTWARE/系统硬件测试/声卡测试/创新声卡/kX%20Wave%20CT4670%2010k1%20[9000]%200_1/thd.png[/img]
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ParameterLeftRight
THD, %:0.00150.0015
THD + Noise, %:0.00360.0036
THD + Noise (A-weighted), %:0.00330.0033
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+ J! V9 d" [1 l- u% v/ ~# i  B% f3 LIntermodulation distortion
[img=512,324]file:///F:/SOFTWARE/系统硬件测试/声卡测试/创新声卡/kX%20Wave%20CT4670%2010k1%20[9000]%200_1/imd.png[/img]
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ParameterLeftRight
IMD + Noise, %:0.00450.0045
IMD + Noise (A-weighted), %:0.00390.0039

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: e; i* z, y! g. i0 I. ?/ sStereo crosstalk
[img=512,324]file:///F:/SOFTWARE/系统硬件测试/声卡测试/创新声卡/kX%20Wave%20CT4670%2010k1%20[9000]%200_1/cross.png[/img]

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ParameterL <- RL -> R
Crosstalk at 100 Hz, dB:-103-101
Crosstalk at 1 kHz, dB:-100-99
Crosstalk at 10 kHz, dB:-96-97
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! o: ~' x9 n3 `, PIMD (swept tones)
[img=512,324]file:///F:/SOFTWARE/系统硬件测试/声卡测试/创新声卡/kX%20Wave%20CT4670%2010k1%20[9000]%200_1/imdswept.png[/img]
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ParameterLeftRight
IMD + Noise at 5 kHz, %:0.00530.0053
IMD + Noise at 10 kHz, %:0.00530.0053
IMD + Noise at 15 kHz, %:0.00520.0052

1 V+ U1 R2 T/ F4 y) Y1 X% \This report was generated by RightMark Audio Analyzer 5.4
作者: bear437    时间: 2007-7-11 12:01
测试时是不是什么设置错误了




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