2011-10-12

MP3 player Explay X1 (ATJ3310) RMAA test report.

RMAA - RightMark Audio Analyzer.
ATJ3310 - Actions Semiconductor multimedia IC
Explay X1
Explay X1 audio tests below...



Testing chain: Explay X1 (16-bit, 44.1 kHz WAV file playback) -> SBLive!24 line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.05, -0.28
Noise level, dB (A) : -91.2
Dynamic range, dB (A) : 91.2
THD, % : 0.0027
THD + Noise, dB (A) : -82.0
IMD + Noise, % : 0.010
Stereo crosstalk, dB : -89.1
IMD at 10 kHz, % : 0.0096

Testing chain: Explay X1 with 16 Ohm load (16-bit, 44.1 kHz WAV file playback) -> SBLive!24 line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.05, -0.29
Noise level, dB (A) : -91.8
Dynamic range, dB (A) : 91.7
THD, % : 0.0045
THD + Noise, dB (A) : -80.0
IMD + Noise, % : 0.013
Stereo crosstalk, dB : -66.5
IMD at 10 kHz, % : 0.023

Frequency response

Noise level

Dynamic range

THD + Noise (at -3 dB FS)

Intermodulation distortion

Stereo crosstalk

IMD (swept tones)