ROBUST CODE / DATA HIDING METHOD AGAINST ANALOG TRANSMISSION (OVER THE AIR) FOR DIGITAL AUDIO
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United States of America Patent
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Issued Date -
Nov 17, 2022
app pub date -
Jul 28, 2020
filing date -
Aug 1, 2019
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Abstract
The present invention is relates a robust code/data hiding method against analog transmission (over the air) for digital audio, secret code/data hiding component to digital audio file and extracting the hidden code/data from the covered sound, which a digital audio where a secret code/data is embedded is played from the loudspeakers in any environment and media player, the digital audio is received by the user mobile phone or mobile device microphone without being affected by the distorting effects of the analog transmission medium and the noise in any way, enabling follow-up information based on user interaction and user product experience. The present invention can be used in many areas such as the participation of users in a campaign via mobile phone, increasing the TV/radio viewing rate (rating) & follow-ups, copyright tracking & management, participating in sweepstakes, distributing instant coupons, authentication and delivering advertisements to target customer groups.
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