Portable Telephone Sound Reproduction by Determined Use of Codec Via Base Station

Abstract

To realize high quality reproduction of sound on a portable telephone by suppressing deterioration in quality of sound data being provided through a wireless communication network while sustaining the quality of sound in the portable telephone there is provided sound data to a portable telephone through a wireless base station, the wireless base station transmitting sound data to the portable telephone by codec, the sound data being encoded previously in compliance with the codec of the portable telephone.