Research Article
A Novel AMR-WB Speech Steganography Based on Diameter-Neighbor Codebook Partition
Table 2
Steganalysis results of different steganographic methods in 23.85 kbits/s mode.
| | Training rate | 0.4 | 0.5 | 0.6 | | Method | Markov | MFCC | SS-QCCN | RS-QCCN | Markov | MFCC | SS-QCCN | RS-QCCN | Markov | MFCC | SS-QCCN | RS-QCCN |
| | 100 bps | | | | | | | | | | | | | | CNV | 49.8% | 49.8% | 43.7% | 49.0% | 50.1% | 50.2% | 44.0% | 49.2% | 50.0% | 50.5% | 41.9% | 50.0% | | NID | 51.0% | 60.1% | 42.2% | 50.0% | 50.1% | 60.9% | 42.9% | 48.7% | 52.1% | 59.8% | 41.8% | 49.4% | | Ours | 50.0% | 50.0% | 44.0% | 49.4% | 50.3% | 49.3% | 40.3% | 49.4% | 49.1% | 48.6% | 41.8% | 43.3% |
| | 200 bps | | | | | | | | | | | | | | CNV | / | / | / | / | / | / | / | / | / | / | / | / | | NID | 53.5% | 74.5% | 46.9% | 50.0% | 53.3% | 76.2% | 47.6% | 50.0% | 53.6% | 75.8% | 44.4% | 50.1% | | Ours | 51.0% | 48.3% | 45.2% | 50.0% | 49.8% | 48.7% | 42.2% | 50.0% | 50.5% | 48.6% | 45.0% | 50.0% |
| | 300 bps | | | | | | | | | | | | | | CNV | / | / | / | / | / | / | / | / | / | / | / | / | | NID | 54.8% | 74.6% | 49.3% | 50.0% | 56.3% | 77.2% | 50.0% | 50.0% | 55.4% | 78.3% | 50.5% | 50.6% | | Ours | 52.4% | 49.7% | 47.9% | 50.0% | 52.8% | 60.9% | 48.2% | 50.0% | 53.8% | 50.1% | 46.6% | 50.0% |
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