RightMark Audio Analyzer test report
|
Testing device |
1644 |
|
Sampling mode |
16-bit, 44 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 |
-0.1
dB / -0.0 dB |
| Mono
mode |
OFF |
|
Calibration singal, Hz |
1000 |
|
Polarity |
correct/correct |
Summary
|
Frequency response (from 40 Hz to 15 kHz), dB |
+0.05, -0.15
|
Very good
|
|
Noise level, dB (A) |
-94.6
|
Very good
|
|
Dynamic range, dB (A) |
94.5
|
Very good
|
| THD,
% |
0.0042
|
Very good
|
| THD
+ Noise, dB (A) |
-83.6
|
Good
|
| IMD
+ Noise, % |
0.0077
|
Excellent
|
|
Stereo crosstalk, dB |
-95.7
|
Excellent
|
| IMD
at 10 kHz, % |
0.044
|
Good
|
|
General performance |
|
Very good
|
Frequency response
| From
20 Hz to 20 kHz, dB |
-1.39, +0.05
|
| From
40 Hz to 15 kHz, dB |
-0.15, +0.05
|
Noise level
| |
Left
|
Right
|
| RMS
power, dB |
-93.6
|
-93.5
|
| RMS
power (A-weighted), dB |
-94.6
|
-94.5
|
| Peak
level, dB FS |
-80.7
|
-80.7
|
| DC
offset, % |
-0.0
|
-0.0
|
Dynamic range
| |
Left
|
Right
|
|
Dynamic range, dB |
+93.5
|
+93.5
|
|
Dynamic range (A-weighted), dB |
+94.5
|
+94.5
|
| DC
offset, % |
-0.00
|
-0.00
|
THD + Noise (at -3 dB FS)
| |
Left
|
Right
|
| THD,
% |
+0.0040
|
+0.0044
|
| THD
+ Noise, % |
+0.0059
|
+0.0061
|
| THD
+ Noise (A-weighted), % |
+0.0065
|
+0.0068
|
Intermodulation distortion
| |
Left
|
Right
|
| IMD
+ Noise, % |
+0.0076
|
+0.0077
|
| IMD
+ Noise (A-weighted), % |
+0.0068
|
+0.0069
|
Stereo crosstalk
| |
Left
|
Right
|
|
Crosstalk at 100 Hz, dB |
-100
|
-96
|
|
Crosstalk at 1000 Hz, dB |
-94
|
-95
|
|
Crosstalk at 10000 Hz, dB |
-83
|
-85
|
IMD (swept tones)
| |
Left
|
Right
|
| IMD
+ Noise at 5000 Hz, |
0.0218
|
0.0224
|
| IMD
+ Noise at 10000 Hz, |
0.0343
|
0.0354
|
| IMD
+ Noise at 15000 Hz, |
0.0741
|
0.0749
|
16-bit, 44 kHz下的Frequency
response这项很关键，可以反应出声卡的SRC品质是好是坏，RMAA的结果是VERY GOOD，结果还是不错的。小熊在线www.beareyes.com.cn
|
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