Efficiently Synchronized Spread-Spectrum Audio Watermarking with Improved Psychoacoustic Model

Table 1

Proposed watermarking system bit error rate.

Attack type	Country (%)	Jazz (%)	Pop (%)	Rock (%)	Classic (%)	AVG (%)
(a)–(d)	0	0	0	0	0	0
MP3/64 Kbps	0.78	0.71	0.52	0.27	0.19	0.49
MP3/32 Kbps	2.03	1.61	3.33	0.27	1.44	1.74
MP3/20 Kbps	2.52	7.37	5.94	2.08	13.44	6.27