pitch property
getter/setter pair
标准音高线数据。详情请参考 Android：https://doc-zh.zego.im/article/15148, iOS：https://doc-zh.zego.im/article/15147
Implementation
String pitch;标准音高线数据。详情请参考 Android：https://doc-zh.zego.im/article/15148, iOS：https://doc-zh.zego.im/article/15147
String pitch;