3399pro音频播放功能开发

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我需要做一个语音播放的功能，原计划是用语音芯片来做，后来想想感觉可以直接用3399pro外加一个功放来做，省去一个语音芯片。
语音数据类似于：
1.开机广告语；
2.前方障碍，注意安全；
3.我要回去充电了；
........

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
有几个问题请教各位：
1.语音存储应该是什么格式的文件？如果是多条语音数据该怎么存储？
2.3399pro与功放之间是什么接口传输数据？PWM吗？还是DAC？