A method for transmitting audio is disclosed that includes transmitting, by a sending terminal, a sending audio signal to a receiving terminal after a connection between the sending terminal and the receiving terminal is established, the sending audio signal comprises a sending audio, receiving a playing audio played by the receiving terminal; and determining that the sending audio is not played by the receiving terminal based on the sending audio and the playing audio, notifying that the sending audio transmitted to the receiving terminal is not played by the receiving terminal.