Abstract:
A general-purpose audio connector is provided. The audio connector includes an earphone plug that includes a plurality of first terminals, and an earphone connector that includes a plurality of second terminals. The earphone plug is configured to be inserted into and to connect to the earphone connector. The number of poles of the plurality of first terminals that connect to the plurality of second terminals is variable depending on a movement of the earphone plug.
Abstract:
A portable terminal and a method for detecting an earphone connection are provided. The method includes detecting a connection of earphones; detecting and analyzing a sound input through the connected earphones; and determining whether a microphone is installed in the earphones by comparing an analysis result with a first predetermined threshold.