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Study on the Amplitude Modification Audio Watermarking Technique for Mixed Music with High Inaudibility
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 Title & Authors
Study on the Amplitude Modification Audio Watermarking Technique for Mixed Music with High Inaudibility
Kang, Se-Koo; Lee, Young-Seok;
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 Abstract
In this paper, we propose a watermarking technology for a mixed music. The mixed music means recreated music that contained a number of musics in one audio clip. Royalty associated with the audio content is typically imposed by the full audio content. However, the calculation of royalties gives rise to conflict between copyright holders and users in the mixed music because it uses not full audio content but a fraction of that. To solve the conflict related with the mixed music, we propose a audio watermarking technique that inserts different watermarks for each audio in the audio that make up the mixed music. The proposed watermarking scheme might have poor SNR (signal to noise ratio) to embed to each audio clip. To overcome poor SNR problem, we used inaudible pseudo random sequence which modifies typical pseudo random sequence to canonical signed digit (CSD) form. The proposed method verifies the performance by each watermark extraction and the time internal estimation valies from the mixed music.
 Keywords
Digital contents;Mixed music;Audio watermarking;Inaudible random sequence;Copyright protection;
 Language
Korean
 Cited by
 References
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