Patent ID: 7886071

Claim:
A communication processing apparatus for receiving data via a network, characterized in that the communication processing apparatus comprises a state management unit for performing state management as to whether a processing state of the communication processing apparatus is a playback state in which only playback of the received data is performed or a playback and recording state in which both playback and recording of the received data are performed, a data loss detection unit for detecting lost data in the received data, and a retransmission request control unit for performing a determination process as to whether a retransmission request for the lost data is output or not, and in that the retransmission request control unit determines whether a retransmission request is made or not on the basis of a determination whether retransmission data based on retransmission request data is received before a playback process starts when the communication processing apparatus is in the playback state in which only playback is performed, and the retransmission request control unit determines whether a retransmission request is made or not on the basis of a determination whether the number of sent retransmission requests for one lost data item reaches a predetermined set maximum count when the communication processing apparatus is in the playback and recording state in which both playback and recording are performed.