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- W1601646537 abstract "The present study implemented a system to facilitate broadcast switching between a central broadcasting station and its local broadcasting stations using audio watermarking technology. Because extraction errors in synchronization system for broadcast switching cause broadcast accidents, audio watermark technology must be highly reliable. This research developed an audio watermarking algorithm efficiently applicable to broadcast synchronization system and implemented a broadcast switching system through the real-time application of the algorithm. SNR of broadcast signal with watermark inserted by the developed audio watermarking algorithm was 66.1dB, which is hardly distinguishable from broadcast signal before watermark insertion. In a robustness test, when MP3 compression of 96kbps and 128kbps was used, the extraction rate was 100%. In addition, the extraction rate was 100% for the addition of noise below -50db The implemented system was proved to be reliable as a broadcasting system, showing extraction rate of 100% and error rate of 0% for broadcast signal with watermark inserted in 240 hours' actual broadcasting situation." @default.
- W1601646537 created "2016-06-24" @default.
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- W1601646537 date "2006-01-01" @default.
- W1601646537 modified "2023-09-27" @default.
- W1601646537 title "Real-Time Implementation of Broadcast Switching System Using Audio Watermark" @default.
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- W1601646537 doi "https://doi.org/10.1007/11787952_24" @default.
- W1601646537 hasPublicationYear "2006" @default.
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