Scheme for embedding a control signal in an audio signal using pseudo white noise
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United States of America Patent
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Mar 27, 2018
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app pub date -
May 9, 2014
filing date -
May 9, 2014
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Abstract
A method includes generating an audio signal, generating a control signal that is configured to control a haptic feedback device that is incorporated into a device for delivering audio based on the audio signal to a user, and embedding the control signal in the audio signal by using a pseudorandom signal to form an encoded audio signal. Another method includes receiving a signal that includes an audio signal having an embedded control signal, recovering the control signal from the received signal by using a pseudorandom signal, using the recovered control signal to control a haptic feedback device that is incorporated into a device for delivering audio, recovering the audio signal from the received signal, and using the recovered audio signal to generate audio in the device for delivering audio. Systems perform similar steps, and non-transitory computer readable storage mediums each store one or more computer programs.
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