Interactive entertainment system
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United States of America Patent
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Sep 28, 2021
Grant Date -
Oct 29, 2020
app pub date -
Jul 6, 2020
filing date -
Sep 7, 2012
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Abstract
In some examples, an audio signal is received and divided into a plurality of frames. Frequency domain data of the audio signal may be generated for an individual frame of the plurality of frames. For example, the frequency domain data may include a plurality of frequency waveform components. Data may be embedded into a selected frequency waveform component having a lower frequency, selected from the frequency domain data of the individual frames, by controlling a phase value of the frequency waveform component to represent a selected bit of the data. For instance, a first range of the phase value may represent a first type of bit and a second range of the phase value may represent a second type of bit.
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