A method for removing noise from a sound signal received by a microphone is provided. The method includes receiving a vibration signal from a vibration monitoring device mechanically connected to a loudspeaker, the vibration signal indicating vibration caused by a sound emitted by the loudspeaker. The method further includes receiving a sound signal received by the microphone. In addition, the method includes removing the vibration signal from the sound signal so as to remove noise from the sound signal. With the vibration signal from the vibration monitoring device, noise can be removed from the sound signal received by the microphone so as to achieve a satisfactory audio effect or accurate sound recognition.