Patent ID: 8867628

Claim:
An apparatus comprising: a generation unit configured to generate a first error correction packet to correct an error in a first moving image packet using a first combination of moving image packets including the first moving image packet and a second moving image packet, and to generate a second error correction packet to correct the error in the first moving image packet using a second combination of moving image packets including the first moving image packet and a third moving image packet; a first determination unit configured to determine to transmit the first, the second, and the third moving image packets to a first and a second receiving apparatuses, to transmit the first error correction packet to the first and the second receiving apparatuses, to transmit the second error correction packet to the second receiving apparatus, and not to transmit the second error correction packet to the first receiving apparatus; and a second determination unit configured to determine, based on a number of error correction packets to be transmitted to the first receiving apparatus when a predetermined number of moving image packets are transmitted to the first receiving apparatus, a number of the moving image packets included in the first combination and used for generating the first error correction packet.