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22 年
- 例程难度:
本例程的功能是在播放音乐的同时将麦克风收录的声音先进行回声消除,然后存储到 microSD 卡中。 本例程有两条管道,第一条管道读取 flash 中的 MP3 音乐文件并播放;第二条管道是录音的过程,读取到的数据经过 AEC、AGC、NS 算法处理,再编码成 WAV 格式,最后 ...
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