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Yajima et al. proposed a method based on amplitude and phase coding of audio signals. This method has relatively high sound quality because human auditory property is considered for embedding. However, in this method, the tolerance to attacks tends to be weak. Hence, we propose a high-tolerance watermarking method using BCH code which is one of error correcting code. This paper evaluates whether our method preserves the sound quality while ensuring high tolerance. key words: audio watermarking, BCH code, phase shift keying

Sound Quality Evaluation for Audio Watermarking Based on Phase Shift Keying Using BCH Code