说明：  AX2K噪声问题解决办法,AX2K 是两颗MP3 解码芯片，可广泛地用于车机，BoomBOX 等应用，整体方案具有功耗小，音质好，接口灵活，二次开发方便等特点，产品实测DAC 的音频指标，SNR > 79dB，THD > 79dB ，带宽可以达到20Hz~20KHz。
(Solution AX2K noise issue, AX2K two MP3 decoder chip, can be widely used in the car, BoomBOX application overall program has a small power consumption, good sound quality, flexible interface, the secondary development of convenient products measured DAC audio indicators, SNR> 79dB THD> 79dB, bandwidth can reach 20Hz ~ 20KHz.)