Commutative Watermarking-Encryption of Audio Data with Minimum Knowledge Verification

Table 2

Bit error rates of extracted 56 bit watermarks after various StirMark attacks on seven example audio files. Parameters used are , , , , , and .

Index	Angriff + parameter	Tenor singing	Female speech	Guitar	Soloists (Verdi)	Choir (Orff)	Abba	Eddie Rabbit
0	AddDynNoise-20	0.304	0.339	0.357	0.411	0.375	0.411	0.411
1	AddNoise-10	0.018	0.0	0.054	0.0	0.0	0.036	0.018
2	AddNoise-1000	0.339	0.357	0.464	0.357	0.375	0.5	0.429
3	AddSinus-120-3000	0.286	0.357	0.411	0.429	0.357	0.411	0.357
4	Amplify-50	0.304	0.339	0.411	0.411	0.411	0.429	0.446
5	BassBoost-150-6.123	0.286	0.375	0.375	0.446	0.357	0.429	0.446
6	BitChanger-1-99.99	0.0	0.0	0.0	0.0	0.0	0.0	0.0
7	Compressor-6.123-2.1	0.0	0.0	0.0	0.0	0.0	0.0	0.0
8	CopySample-10000-2000-6000	0.0	0.0	0.0	0.0	0.0	0.0	0.0
9	CutSamples-100-7	0.0	0.0	0.0	0.0	0.0	0.0	0.0
10	Echo-50	0.321	0.375	0.411	0.446	0.411	0.446	0.446
11	Exchange	0.0	0.0	0.0	0.0	0.0	0.0	0.0
12	FFT_HLPassQuick-1024-150-15000	0.286	0.339	0.357	0.393	0.375	0.375	0.429
13	FFT_Invert-1024	0.286	0.357	0.357	0.411	0.375	0.429	0.393
14	FFT_RealReverse-1024	0.321	0.375	0.393	0.446	0.411	0.446	0.464
15	FlippSample-10000-2000-6000	0.0	0.0	0.0	0.0	0.0	0.0	0.0
16	Invert	0.268	0.339	0.375	0.429	0.375	0.393	0.411
17	LSBZero	0.0	0.036	0.161	0.143	0.0	0.161	0.143
18	Normalizer1-2048-28000	0.25	0.393	0.339	0.304	0.339	0.339	0.304
19	RC_LowPass-9000	0.214	0.393	0.339	0.375	0.411	0.393	0.214
20	ReplaceSamples-525-1.5	0.0	0.0	0.0	0.0	0.0	0.0	0.0
21	Smooth	0.232	0.321	0.321	0.429	0.393	0.429	0.25
22	Smooth2	0.143	0.107	0.161	0.089	0.036	0.125	0.089
23	Stat1	0.25	0.357	0.357	0.393	0.393	0.429	0.214
24	ZeroCross-1000	0.304	0.125	0.375	0.321	0.107	0.286	0.161
25	ZeroLength-10	0.0	0.0	0.0	0.0	0.0	0.0	0.0
26	ZeroRemove	0.0	0.0	0.0	0.0	0.0	0.0	0.0