RECEIVING APPARATUS, TRANSMITTING APPARATUS, RECEIVING METHOD, TRANSMITTING METHOD, COMMUNICATIONS SYSTEM, AND COMMUNICATION METHOD

摘要

A receiving apparatus in a communications system that performs header compression of audio data and has a plurality of operation modes that each have a different frequency of header compression, the receiving apparatus includes: a receiver that receives the audio data, which is transmitted from a transmitting apparatus that performs the header compression; a processor that controls the receiving apparatus in accordance with the process includes: determining a voice-communication state of the received audio data; and changing the operation mode, according to a determination result.