A Method of Adding Audio Analog Watermark without Audible Perception
Digital audio watermarks cannot be retained after audio transcoding or transcription in the air, which has significant limitations. Based on this, a method for adding analog watermarks to audio is proposed, and a detailed design process is analyzed. This method optimizes the auditory characteristics of the human ear during design, without affecting the overall auditory sensation of the audio. It is suitable for typical audio propagation scenarios such as transcoding, compression, and air propagation.
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