Methods and apparatus to perform audio watermarking and watermark detection and extraction
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United States of America Patent
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Jun 4, 2024
Grant Date -
Nov 3, 2022
app pub date -
Jul 8, 2022
filing date -
Jul 8, 2022
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Abstract
Example methods and apparatus to audio watermarking and watermark detection and extraction are disclosed herein. An example apparatus disclosed herein includes memory, computer readable instructions, and processor circuitry to execute the computer readable instructions to at least detect a first symbol, a second symbol, a third symbol, and a fourth symbol sequentially in encoded audio samples, determine whether the first symbol is a synchronization symbol, in response to a determination that the first symbol is a synchronization symbol, determine that the first symbol and the third symbol are associated with a first message and the second symbol and the fourth symbol are associated with a second message, and output at least one of the first message or the second message.
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