Patent ID: 8561437

Claim:
A sound control method for a washing machine, the sound control method comprising: a washing operation, a rinsing operation and a spin-drying operation for cleaning a laundry, wherein the washing operation further comprises a water supply cycle, a washing cycle, a drainage cycle, and an intermediate spin-drying cycle, the rinsing operation further comprises a water supply cycle, a rinsing cycle, a drainage cycle, and an intermediate spin-drying cycle, and the spin-drying operation further comprises a final spin-drying cycle, wherein the sound control method comprises: sensing which one is a current operation cycle of the washing machine among the water supply cycle, the washing cycle, the drainage cycle, and the intermediate spin-drying cycle of the washing operation; the water supply cycle, the rinsing cycle, the drainage cycle, and the intermediate spin-drying cycle of the rinsing operation; and the final spin-drying cycle of the spin-drying operation; sensing noise generated during the sensed operation cycle of the washing machine; analyzing the sensed noise; selecting a canceling sound corresponding to the analyzed noise from a storage unit configured to store a plurality of pieces of canceling sound; outputting the selected canceling sound; and masking the noise by mapping the output canceling sound to the noise generated during the operation cycle of the washing machine.