Application of QIM Based Audio Watermarking for Synchronizing Detection in the Air Environment

Automatic recognition and accurate synchronization between TV programming and interactive applications running on smart TVs and second screen devices Significantly improve your viewing experience on your TV. ACR is bringing new possibilities to the broadcasting industry. In this paper, we have confirmed through experiments that an audio watermarking algorithm using QIM method can be applied in ACR environment where watermark is extracted from audio signal in the air. From the experimental results, it can be confirmed that the normalization of the audio signal size must be preceded when the watermark is inserted and extracted in order to use the QIM method in the ACR environment.

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