Research Article
A Robust MP3 Steganographic Method against Multiple Compressions Based on Modified Discrete Cosine Transform
Table 1
Frequency lines division of scalefactor band at 44.1 kHz.
| No. | Width of band | Index of start | Index of end | No. | Width of band | Index of start | Index of end |
| 0 | 4 | 0 | 3 | 11 | 12 | 62 | 73 | 1 | 4 | 4 | 7 | 12 | 16 | 74 | 89 | 2 | 4 | 8 | 11 | 15 | 20 | 90 | 109 | 3 | 4 | 12 | 15 | 14 | 24 | 110 | 133 | 4 | 4 | 16 | 19 | 15 | 28 | 134 | 161 | 5 | 4 | 20 | 23 | 16 | 34 | 162 | 195 | 6 | 6 | 24 | 29 | 17 | 42 | 196 | 237 | 7 | 6 | 30 | 35 | 18 | 50 | 238 | 287 | 8 | 8 | 36 | 43 | 19 | 54 | 288 | 341 | 9 | 8 | 44 | 51 | 20 | 76 | 342 | 417 | 10 | 10 | 52 | 61 | | | | |
|
|