System and method for preventing unauthorized recording, retransmission and misuse of audio and video

An apparatus, comprising:

• a jamming device including an input port, an output port, and a signal generator operatively coupled to the input port and the output port,
• the input port configured to receive audio content to be output, the audio content having at least one audible frequency,
• the signal generator configured to generate a first signal and a second signal, the first signal having an inaudible carrier frequency and a bandwidth, the second signal having an inaudible carrier frequency and a bandwidth, a difference between the first signal and the second signal being an interfering audible signal having an audible frequency based on a difference between the inaudible carrier frequency of the first signal and the inaudible carrier frequency of the second signal being an audible frequency, the interfering audible signal not altering the audio content in at least a portion of a frequency range of the audio content,
• the output port configured to output the audio content with the first signal and the second signal such that when the audio content is detected by a recording device the interfering audible signal is detected with the audio content.

A method, comprising:

• receiving, at a device, encrypted digital audio content to be decrypted to produce decrypted digital audio content that is to be converted by a digital-to-analog converter to produce analog audio content, the decrypted digital audio content and the analog audio content each having at least one audible frequency;
• selecting, at the device, a first signal and a second signal to output with the analog audio content within the same device, the first signal having an inaudible carrier frequency and a bandwidth, the second signal having an inaudible carrier frequency and a bandwidth, a difference between the first signal and the second signal being an interfering audible signal having an audible frequency based on a difference between the inaudible carrier frequency of the first signal and the inaudible carrier frequency of the second signal being an audible frequency, the interfering audible signal not altering the analog audio content in at least a portion of a frequency range of the analog audio content;
• and
• outputting, from the device, the analog audio content within the same device with the first signal and the second signal such that when the analog audio content is detected by a recording device the interfering audible signal is detected with the analog audio content.