RightMark Audio Analyzer test report

Testing device OPPO_A55s+3_5+YTM_96kHz
Sampling mode 24-bit, 96 kHz
Interface  
Testing chain External loopback (line-out - line-in)
RMAA Version 6.4.5
   
   
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 correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.12, +0.06
Excellent
Noise level, dB (A)
-82.6
Good
Dynamic range, dB (A)
82.4
Good
THD, %
0.00366
Very good
THD + Noise, dB (A)
-75.6
Average
IMD + Noise, %
0.022
Good
Stereo crosstalk, dB
-66.0
Good
IMD at 10 kHz, %
0.022
Good
General performance
 
Good



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-0.18, +0.02
-0.08, +0.12
From 40 Hz to 15 kHz, dB
-0.04, +0.02
+0.06, +0.12



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-81.5
-81.3
RMS power (A-weighted), dB
-82.8
-82.5
Peak level, dB FS
-63.5
-62.9
DC offset, %
+0.0
+0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+81.4
+81.1
Dynamic range (A-weighted), dB
+82.5
+82.4
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
0.00365
0.00366
THD + Noise, %
0.01897
0.01938
THD + Noise (A-weighted), %
0.01638
0.01664



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
0.02232
0.02233
IMD + Noise (A-weighted), %
0.01942
0.01969



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-63
-65
Crosstalk at 1000 Hz, dB
-65
-65
Crosstalk at 10000 Hz, dB
-64
-65



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.02207
0.02210
IMD + Noise at 10000 Hz,
0.02240
0.02224
IMD + Noise at 15000 Hz,
0.02221
0.02211