还是从废柴16/44开始吧
Summary
| Frequency response (from 40 Hz to 15 kHz), dB |
+0.06, -0.40 |
Good |
| Noise level, dB (A) |
-91.4 |
Very good |
| Dynamic range, dB (A) |
91.2 |
Very good |
| THD, % |
0.0043 |
Very good |
| THD + Noise, dB (A) |
-79.8 |
Average |
| IMD + Noise, % |
0.014 |
Very good |
| Stereo crosstalk, dB |
-90.4 |
Excellent |
| IMD at 10 kHz, % |
0.110 |
Average |
| General performance |
|
Very good |
是不是很糟糕？IMD表现非常弱，就像当初那个解释创新src问题的文章里描述的一样。事实证明，HDAUDIO依旧无法绕过传统的SRC问题，16/44注定是垃圾表现虽然其他指标已经超过了很多声卡的水平。
找个竞争对手，谁呢？就se200的7.1输出吧
Summary
| Frequency response (from 40 Hz to 15 kHz), dB |
+0.02, -0.25 |
Very good |
| Noise level, dB (A) |
-92.0 |
Very good |
| Dynamic range, dB (A) |
92.0 |
Very good |
| THD, % |
0.0016 |
Excellent |
| THD + Noise, dB (A) |
-85.4 |
Good |
| IMD + Noise, % |
0.0074 |
Excellent |
| Stereo crosstalk, dB |
-89.1 |
Excellent |
| IMD at 10 kHz, % |
0.0075 |
Excellent |
| General performance |
|
Excellent |
IMD的差距足以致命
那么，16/48如何呢？se200的16/48和16/44差不多的
不过hdaudio么：
Summary
| Frequency response (from 40 Hz to 15 kHz), dB |
+0.04, -0.21 |
Very good |
| Noise level, dB (A) |
-91.8 |
Very good |
| Dynamic range, dB (A) |
91.7 |
Very good |
| THD, % |
0.0012 |
Excellent |
| THD + Noise, dB (A) |
-84.1 |
Good |
| IMD + Noise, % |
0.0080 |
Excellent |
| Stereo crosstalk, dB |
-90.1 |
Excellent |
| IMD at 10 kHz, % |
0.0075 |
Excellent |
| General performance |
|
Excellent |
注意IMD，已经达到se200 7.1的水平了！其他数据也不弱！不过么，16bit下的测试向来被我无视的。
24/88无法测试，那只能24/96了
先来ALC888：
Summary
| Frequency response (from 40 Hz to 15 kHz), dB |
+0.02, -0.14 |
Very good |
| Noise level, dB (A) |
-93.4 |
Very good |
| Dynamic range, dB (A) |
93.5 |
Very good |
| THD, % |
0.0013 |
Excellent |
| THD + Noise, dB (A) |
-85.2 |
Good |
| IMD + Noise, % |
0.0068 |
Excellent |
| Stereo crosstalk, dB |
-88.2 |
Excellent |
| IMD at 10 kHz, % |
0.0059 |
Excellent |
| General performance |
|
Excellent |
然后是SE200的7.1
Summary
| Frequency response (from 40 Hz to 15 kHz), dB |
+0.02, -0.14 |
Very good |
| Noise level, dB (A) |
-94.0 |
Very good |
| Dynamic range, dB (A) |
93.9 |
Very good |
| THD, % |
0.0014 |
Excellent |
| THD + Noise, dB (A) |
-87.8 |
Good |
| IMD + Noise, % |
0.0058 |
Excellent |
| Stereo crosstalk, dB |
-89.9 |
Excellent |
| IMD at 10 kHz, % |
0.0056 |
Excellent |
| General performance |
|
Excellent |
是不是数据上已经看不出差异了？然后我们开始要比细节
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