Audio Content Security

List of Figures

Figure 1.1	Audio processing system architecture	3
Figure 2.1	Continuous waveform	11
Figure 2.2	Sampled and quantized representation	12
Figure 2.3	General architecture of watermarking system	14
Figure 3.1	Research framework	22
Figure 4.1	Proportion of successful extraction	34
Figure 4.2	Successful extraction using number of packets	37
Figure 4.3	Proportion of successful extraction after down sampling	39
Figure 4.4	Representation of low- and high-pass filters	40
Figure 4.5	Proportion of successful extraction after filtering attack	41
Figure 4.6	Proportion of successful extraction for all attacks	43
Figure 5.1	Representation of correlation between size and PSNR	46
Figure 5.2	Representation of correlation between size ...