|
全方位激情享受！全能声卡Auzen X-Fi
|
【原创】 作者:小熊在线－chris 2008年03月17日
|
|
［文章简介］
4年前HDAUDIO就诞生就诞生了，这对于集成声卡占领声卡届又起到了关键的作用。集成声卡也开始支持2496，这是非常大的飞跃。3D音效的长足进步... (8109 字)
|
|
|
|
| 第8页：大满贯Excellent，24-48下的测试成绩 |
RightMark Audio Analyzer test report
|
Testing device |
24-48 |
|
Sampling mode |
24-bit, 48 kHz |
|
Interface |
|
|
Testing chain |
External loopback (line-out - line-in) |
|
RMAA Version |
6.0.6 |
|
|
|
|
|
|
|
20 Hz - 20 kHz filter |
ON |
|
Normalize amplitude |
ON |
|
Level change |
0.5 dB / 0.5 dB |
|
Mono mode |
OFF |
|
Calibration singal, Hz |
1000 |
|
Polarity |
correct/correct |
Summary
|
Frequency response (from 40 Hz to 15 kHz), dB |
+0.02, -0.00
|
Excellent
|
|
Noise level, dB (A) |
-400.0
|
Excellent
|
|
Dynamic range, dB (A) |
127.4
|
Excellent
|
|
THD, % |
0.0001
|
Excellent
|
|
THD + Noise, dB (A) |
-121.2
|
Excellent
|
|
IMD + Noise, % |
0.0002
|
Excellent
|
|
Stereo crosstalk, dB |
-364.0
|
Excellent
|
|
IMD at 10 kHz, % |
0.0001
|
Excellent
|
|
General performance |
|
Excellent
|
Frequency response
|
From 20 Hz to 20 kHz, dB |
-0.06, +0.02
|
|
From 40 Hz to 15 kHz, dB |
-0.00, +0.02
|
Noise level
|
|
Left
|
Right
|
|
RMS power, dB |
-400.0
|
-400.0
|
|
RMS power (A-weighted), dB |
-400.0
|
-400.0
|
|
Peak level, dB FS |
-400.0
|
-400.0
|
|
DC offset, % |
+0.0
|
+0.0
|
Dynamic range
|
|
Left
|
Right
|
|
Dynamic range, dB |
+127.4
|
+127.4
|
|
Dynamic range (A-weighted), dB |
+127.4
|
+127.4
|
|
DC offset, % |
-0.00
|
-0.00
|
THD + Noise (at -3 dB FS)
|
|
Left
|
Right
|
|
THD, % |
+0.0001
|
+0.0001
|
|
THD + Noise, % |
+0.0001
|
+0.0001
|
|
THD + Noise (A-weighted), % |
+0.0001
|
+0.0001
|
Intermodulation distortion
|
|
Left
|
Right
|
|
IMD + Noise, % |
+0.0002
|
+0.0002
|
|
IMD + Noise (A-weighted), % |
+0.0001
|
+0.0001
|
Stereo crosstalk
|
|
Left
|
Right
|
|
Crosstalk at 100 Hz, dB |
-363
|
-363
|
|
Crosstalk at 1000 Hz, dB |
-363
|
-363
|
|
Crosstalk at 10000 Hz, dB |
-363
|
-363
|
IMD (swept tones)
|
|
Left
|
Right
|
|
IMD + Noise at 5000 Hz, |
0.0001
|
0.0001
|
|
IMD + Noise at 10000 Hz, |
0.0001
|
0.0001
|
|
IMD + Noise at 15000 Hz, |
0.0001
|
0.0001
|
|
|
|
|
|
|
|
