| 摘要 |
A system and method for replacing all or part of the original audio of a digital program with other audio enables a user to customize a digital program soundtrack. The method includes receiving the audio portion of the digital program as an audio data stream including multiplexed associated audio and data packets, selecting at least one of the audio packets to be replaced by a replacement audio packet, and replacing the at least one of the audio packets with a replacement audio packet thereby customizing the audio portion of the digital program during program playback. The method also enables customizing an audio portion of a transmitted analog program. The method includes receiving first and second audio signals, receiving information transmitted in a vertical blanking interval of the transmitted analog program, interpreting the information and removing a replaceable audio signal, and replacing the replaceable audio signal with a user-selected audio signal.
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