iOS iOS BLE MIDI 关于 BLE MIDI 在iOS 8 和 OS X Yosemite 中，Apple 添加了对 BLE MIDI 的支持，iOS 设备与 BLE MIDI 设备通过蓝牙建立连接之后，应用就可以像与普通 MIDI 设备一样与 BLE MIDI 设备交互了。(After a connection is established, it simply appears as an ordinary MIDI device that any MIDI application can