| 摘要 |
A method for rating information in an IPTV receiver may includes downloading content and first rating information identifying rating values of the content, wherein the first rating information includes information identifying whether the first rating information is newly downloadable, downloading second rating information defining rating types defined for rating systems in accordance with the received first rating information, wherein the second rating information includes information identifying whether the second rating information is downloadable, and decoding the received content, the first rating information, and the second rating information. |
