android版的声波支付的例子，可学习使用-Examples android version of Sonic the payment can learn to use

用单频率声音信号对数据进行编码，然后播放这些单频率声音，接收方在收到声音后，识别出频率，然后根据频率解码出数据。-The data is encoded with a single frequency sound signal, and then the single frequency sound is played. The receiver recognizes the frequency after receiving the sound and then decodes the dat

SinVoice 实现Android和IOS系统上的短距离声波数据传输(SinVoice implementation of short range sonic data transmission over Android and IOS systems)