Samsung Electronics Co., Ltd.

Byeongdo Ahn

Taegyun Kim

Sangeun Kim

Jin Sagong

Jaeyong Sim

Jisang Kim

An apparatus for reducing TDMA noise in a terminal transceiving a wireless signal in a TDMA scheme, includes an interface unit in which an output accessory is mounted, an audio processor including a virtual ground and transceiving an audio signal to and from an output accessory through the interface unit, a switch unit provided between the interface unit and the audio processor and switching such that a ground terminal of the interface unit is connected to one of a real ground or a virtual ground of the audio processor, and a controller controlling the switch unit to connect the ground terminal of the interface unit to the virtual ground when a call function using the output accessory is activated, in which the switch unit is configured by two or more switches which are connected to each other in a parallel connection.

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Gyeonggi-do, South Korea

Byeongdo Ahn