APPARATUS, SYSTEMS AND METHODS FOR PRODUCTION, DELIVERY AND USE OF EMBEDDED CONTENT DELIVERY

摘要

A system comprising: (a) a transmitter adapted to provide an audio signal output comprising an embedded data element imperceptible to a human being of normal auditory acuity when said audio signal output is played through speakers wherein said embedded data element is embedded using phase modulation; and (b) an audio receiver adapted to receive said audio signal output and extract said embedded data element and respond to at least a portion of the data in said embedded data element.