Table 3 Signal to noise ratio of narrowband speech
From: An audio watermark-based speech bandwidth extension method
Comparison | Score |
|---|---|
A is much better than B | +3 |
A is better than B | +2 |
A is slightly better than B | +1 |
A is the same with B | 0 |
A is slightly worse than B | −1 |
A is worse than B | −2 |
A is much worse than B | −3 |