Research Article
Research on Objective Evaluation of Recording Audio Restoration Based on Deep Learning Network
Table 3
The results of each index under different audio characteristics.
| | Feature type | correlation coefficient R | Mean square error RMSE |
| | MFCC (1-2) | 0.4369 | 0.6882 |
| | MFCC (1-5dimensions) | 0.6929 | 0.5847 |
| | MFCC (1-7dimensions) | 0.8015 | 0.4758 |
| | MFCC (1-13dimensions) | 0.8343 | 0.2799 |
| | MFCC (1-20dimensions) | 0.8909 | 0.2307 |
| | GFCC (13dimensions) | 0.9117 | 0.1924 |
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