| Signal Type | Method | MSE | PSNR |
| Voice | FT | 0.0183 | 30.16 |
| WPD | 0.0135 | 31.85 | |
| STFT | 0.0142 | 31.58 | |
| EFT-WPD | 0.0118 | 32.68 | |
| Audio | FT | 0.0086 | 33.82 |
| WPD | 0.0059 | 35.39 | |
| STFT | 0.0072 | 34.52 | |
| EFT-WPD | 0.0049 | 36.26 | |
| Sinusoidal | FT | 0.0024 | 38.71 |
| WPD | 0.0017 | 40.18 | |
| STFT | 0.0018 | 38.01 | |
| EFT-WPD | 0.0012 | 41.83 |