Rightmark Audio Analyzer
We used Rightmark Audio Analyzer together with a loop-back cable to analyze the quality of the on-board audio solution.
Summary
Frequency response (from 40 Hz to 15 kHz), dB: | +0.17, -1.00 | Average |
Noise level, dB (A): | -73.0 | Average |
Dynamic range, dB (A): | 74.5 | Average |
THD, %: | 0.017 | Good |
IMD, %: | 0.155 | Average |
Stereo crosstalk, dB: | -71.2 | Good |
IMD at 10 kHz, %: | 5.795 | Very poor |
General performance: Average
Frequency Response
Frequency range | Response |
From 20 Hz to 20 kHz, dB | -5.18, +0.17 |
From 40 Hz to 15 kHz, dB | -1.00, +0.17 |
Noise Level
Parameter | Left | Right |
RMS power, dB: | -70.8 | -71.2 |
RMS power (A-weighted), dB: | -72.5 | -73.0 |
Peak level, dB FS: | -57.8 | -57.9 |
DC offset, %: | 0.66 | 1.18 |
Dynamic Range
Parameter | Left | Right |
Dynamic range, dB: | +72.0 | +71.7 |
Dynamic range (A-weighted), dB: | +74.5 | +75.0 |
DC offset, %: | 0.66 | 1.18 |
THD + Noise (at -3 dB FS)
Parameter | Left | Right |
THD, %: | 0.0171 | 0.0168 |
THD + Noise, %: | 0.0461 | 0.0516 |
THD + Noise (A-weighted), %: | 0.0381 | 0.0391 |
Intermodulation distortion
Parameter | Left | Right |
IMD + Noise, %: | 0.1739 | 0.1551 |
IMD + Noise (A-weighted), %: | 0.0913 | 0.0900 |
Stereo crosstalk
Parameter | L <- R | L -> R |
Crosstalk at 100 Hz, dB: | -71 | -71 |
Crosstalk at 1 kHz, dB: | -70 | -70 |
Crosstalk at 10 kHz, dB: | -72 | -72 |
IMD (swept tones)
Parameter | Left | Right |
IMD + Noise at 5 kHz, %: | 0.1305 | 0.1306 |
IMD + Noise at 10 kHz, %: | 2.6985 | 2.6977 |
IMD + Noise at 15 kHz, %: | 14.5657 | 14.5562 |