25-04-2013 дата публикации
Номер: US20130102241A1
Radio broadcasting equipment is provided that enables targeted radio broadcast advertisement delivery in a radio broadcast area wherein localized auxiliary content may be transmitted to a user device prior to or during transmission of broadcasted audio streams and output to the user via the user device at a prescribed point in time that is triggered based on an inaudible tone included in the broadcasted audio stream. Selection of the auxiliary content may be based on location information determined by the user device and/or preference information input by the user. 1. Radio broadcasting equipment for providing targeted auxiliary content delivery in a radio broadcast area , the equipment comprising:at least one server configured to transmit auxiliary content to at least one user device for storage within a memory of the at least one user device; andat least one encoder configured to insert an inaudible tone into an audio stream transmitted via at least one transmitter within the radio broadcast area,wherein at least some portion of the auxiliary content is output to a user via the at least one user device in response to receipt of the inaudible tone in the audio stream thereby interrupting output of the audio stream for a specified period of time.2. The equipment of claim 1 , wherein the auxiliary content includes at least one of advertisements claim 1 , public safety information claim 1 , public service information claim 1 , emergency broadcast information.3. The equipment of claim 1 , further comprising the at least one transmitter claim 1 , wherein the at least one transmitter is one of a plurality of transmitters that transmit analog radio signals.4. The equipment of claim 1 , further comprising the at least one transmitter claim 1 , wherein the at least one transmitter is one of a plurality of transmitters that transmit digital radio signals.5. The equipment of claim 1 , the auxiliary content includes audio data spoken in a language other than a predominant ...
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