Table 8 Tampering localization accuracy obtained by each algorithm for different window sizes
From: Detection and localization of double compression in MP3 audio tracks
|  |  | Δ = +32 | Δ = 0 | Δ = -32 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Â | BR2 | OUR | YSH | LSQ | OUR | YSH | LSQ | OUR | YSH | LSQ |
1/16 s | 64 | - | - | - | - | - | - | 50.0 | 64.8 | 60.5 |
| Â | 96 | - | - | - | 49.0 | 76.3 | 57.4 | 50.0 | 71.7 | 56.9 |
| Â | 128 | 93.3 | 92.3 | 77.3 | 49.3 | 82.2 | 53.6 | 50.0 | 80.5 | 65.0 |
| Â | 160 | 90.7 | 92.8 | 73.9 | 50.1 | 84.7 | 51.0 | - | - | - |
| Â | 192 | 89.8 | 93.3 | 93.1 | - | - | - | - | - | - |
1/8 s | 64 | - | - | - | - | - | - | 50.0 | 67.5 | 58.0 |
| Â | 96 | - | - | - | 50.0 | 78.4 | 60.2 | 50.0 | 73.5 | 57.5 |
| Â | 128 | 89.2 | 91.7 | 76.1 | 50.1 | 83.1 | 58.7 | 50.0 | 82.4 | 64.4 |
| Â | 160 | 88.1 | 91.5 | 68.7 | 49.9 | 86.4 | 53.3 | - | - | - |
| Â | 192 | 89.2 | 90.9 | 91.9 | - | - | - | - | - | - |
1/4 s | 64 | - | - | - | - | - | - | 50.0 | 73.0 | 56.9 |
| Â | 96 | - | - | - | 50.0 | 82.6 | 61.8 | 50.0 | 75.5 | 56.3 |
| Â | 128 | 91.2 | 92.6 | 79.9 | 50.0 | 86.8 | 63.1 | 50.0 | 84.2 | 67.8 |
| Â | 160 | 92.0 | 95.2 | 74.2 | 50.0 | 89.6 | 60.3 | - | - | - |
| Â | 192 | 92.0 | 92.2 | 93.4 | - | - | - | - | - | - |