RightMark Audio Analyzer test report

Testing device スピーカー (Realtek High Defini
Sampling mode 24-bit, 192 kHz
Interface MME
Testing chain External loopback (line-out - line-in)
RMAA Version 6.2.5
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -0.6 dB / -0.5 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity inverted/inverted



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.57, -4.15
Poor
Noise level, dB (A)
-61.3
Poor
Dynamic range, dB (A)
61.1
Poor
THD, %
0.039
Good
THD + Noise, dB (A)
-55.7
Poor
IMD + Noise, %
0.204
Average
Stereo crosstalk, dB
-57.6
Average
IMD at 10 kHz, %
0.305
Average
General performance
 
Average

Frequency Response 他が Poor と判定されてしまいました。
お粗末さま。
 良いんだ、メインは Sound Blaster だから・・・。



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-5.63, +0.50
-5.48, +0.57
From 40 Hz to 15 kHz, dB
-4.21, +0.50
-4.15, +0.57

▼ 別の方法で測定した結果と大きく違っています。

この測定方法と記事は拙筆 パソコンのオーディオ利得ー周波数特性を測定 をご覧ください。



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-59.8
-61.6
RMS power (A-weighted), dB
-60.8
-61.8
Peak level, dB FS
-38.7
-37.6
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+59.8
+61.4
Dynamic range (A-weighted), dB
+60.7
+61.6
DC offset, %
-0.04
-0.04



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0389
+0.0386
THD + Noise, %
+0.1676
+0.1646
THD + Noise (A-weighted), %
+0.1654
+0.1637



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.2016
+0.2058
IMD + Noise (A-weighted), %
+0.2006
+0.2043



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-55
-57
Crosstalk at 1000 Hz, dB
-56
-57
Crosstalk at 10000 Hz, dB
-53
-52



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.2252
0.2257
IMD + Noise at 10000 Hz,
0.2874
0.2890
IMD + Noise at 15000 Hz,
0.4082
0.3934