|  | Angle grinder noise (nonengaged) | Angle grinder noise (engaged) | ||||
---|---|---|---|---|---|---|---|
SNR | in | 0 | 5 | 10 | 0 | 5 | 10 |
Seg SNR | in | −1.3 | 1.83 | 4.81 | −1.15 | 0.62 | 3.16 |
 | the initial | 3.7 | 5.70 | 7.36 | 1.76 | 3.21 | 5.07 |
 | the proposed | 4.72 | 5.82 | 7.36 | 2.60 | 3.6 | 5.11 |
SNRfw | in | −11.5 | −7.1 | −2.95 | −13.2 | −10.1 | −6.01 |
 | the initial | −2.29 | 0.75 | 3.26 | −6.14 | −3.36 | 0.01 |
 | the proposed | 1.8 | 3.04 | 4.01 | −1.58 | 0.17 | 2.12 |
Seg IS | in | 2.05 | 1.38 | 0.89 | 3.64 | 3.15 | 2.50 |
 | the initial | 1.78 | 1.31 | 1.02 | 2.74 | 2.57 | 2.11 |
 | the proposed | 0.97 | 0.69 | 0.58 | 2.37 | 2.03 | 1.63 |