| 摘要 |
Methods and apparatus determine program content attribute(s) of channels or programs received by an audio/video receiver. Program content attributes are determined by extracting attribute tagging data transmitted on a channel, by looking up previously stored attributes for a channel in a program content attribute table, and/or by identifying content through automatic data processing of the received channel signals themselves. Attributes may include, for example, national language, conversation vs. music, type of conversation (sports, call-in talk show) or music (classical, jazz, rock 'n roll), etc. The determined program content attributes are compared with program content attribute preferences specified for one or more users to develop matches for channel listening/viewing selection. Manual or automatic user identification may be implemented, along with storage of individual program content attribute preferences of different users. By comparing program content attribute(s) in use on a given channel, with program content attribute preferences of the current user, a list of preferred channels is automatically generated.
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