Improved bluetooth A2DP high-fidelity voice frequency transmission protocol

The invention relates to an improved bluetooth A2DP high-fidelity voice frequency transmission protocol, and relates to the technical field of improvement of a bluetooth A2DP transmission protocol. The improved bluetooth A2DP high-fidelity voice frequency transmission protocol solves the technical problem that high-fidelity voice frequency and two-way voice frequency or data transmission are realized by utilizing the existing bluetooth A2DP channel and is technically characterized by comprising a method for transmitting private voice frequency format data and achieves the compatibility of a standard A2DP high-fidelity voice frequency playing format, a method for realizing two-way voice frequency transmission under an A2DP frame and a method for transmitting private control information by utilizing an A2DP signal channel. The improved bluetooth A2DP high-fidelity voice frequency transmission protocol disclosed by the invention is mainly used for transmitting and applying the bluetooth high-fidelity voice frequency and the bluetooth two-way high-definition voice frequency.