AVCTP_Spec_v1_0
代码说明：
蓝牙协议This specification describes the Audio/Video Control Transport Protocol (AVCTP), which is used to transport command and response messages for controlling Audio Video features in conformant devices. This protocol enables a device to support more than one control profile at the same time each supported profile shall define its own message formatting and/or usage rules.(Bluetooth protocol This specification describes the Aud io/Video Control Transport Protocol (AVRCP). which is used to transport command and response messages for controlling Audio Video features in conformant devices. This protocol enables a device to support more than one control profile at the same time each supported profile shall de fine its own message formatting and/or usage ru les.)
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