TI的工程师,你好,我自己设计了一款语音模块,采用的是XFS3031CN中文语音合成芯片,DAC后级加上TPA3111D1功放驱动喇叭,完全按照DATASHEET上的推荐原理图设计的,因为客户要求的声音比较大,后来就将TPA3111D1换成了TPA3112D1,但个人感觉前后的声音没有任何区别,请问这可能是什么原因造成的呢,请指导,谢谢!
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