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Table 1 The arrangement of DWPT decomposition

From: Incorporation of perceptually adaptive QIM with singular value decomposition for blind audio watermarking

Band number DWPT {depth, index} Approximate boundary (Hz)
1 {8,0} 86
2 {8,1} 172
3 {8,3} 258
4 {8,2} 345
5 {8,7} 431
6 {8,6} 517
7 {7,2} 689
8 {7,7} 861
9 {7,6} 1,034
10 {7,4} 1,206
11 {7,5} 1,378
12 {6,7} 1,723
13 {6,6} 2,067
14 {6,4} 2,412
15 {6,5} 2,756
16 {5,7} 3,445
17 {5,6} 4,134
18 {5,4} 4,823
19 {5,5} 5,513
20 {4,7} 6,891
21 {4,6} 8,269
22 {3,7} 11,025
23 {3,6} 13,781
24 {3,2} 16,538
25 {3,4} 19,294
26 {3,5} 22,050