| 摘要 |
The present application discloses a method and device for transmitting and receiving instruction information. The method for transmitting instruction information includes: acquiring a first audio signal that is output from an audio interface of a mobile terminal and carries first instruction information and/or second instruction information, wherein the first instruction information is used to instruct a receiving device to perform an operation corresponding to the first instruction information, and the second instruction information is used to instruct to send the first instruction information to the receiving device; and generating, according to the acquired first audio signal, a first transmission signal that carries the first instruction information, and sending the first transmission signal to the receiving device, where the first transmission signal is a light signal or a sound wave signal. The present application solves a technical problem that the related light communications mode is hardly compatible with a mobile terminal of a different model. |
