Skip to main content

Advertisement

Table 3 Cepstral conversion results for the rock music signal.

From: Quality Enhancement of Compressed Audio Based on Statistical Conversion

Subband index Cepstral order Selected vectors per subband Multiplier Sorting information size (bits/coeff.) Distance between source and target Distance between resynthesized and target Distance between resynthesized and target without sorting Distance between resynthesized and target without sorting, without DCT
2 8 168 8 2.61 0.0182 0.0053 0.0137 0.0158
3 8 162 8 2.61 0.0259 0.0079 0.0194 0.0240
4 8 163 8 2.61 0.0222 0.0063 0.0153 0.0168
5 8 153 8 2.61 0.1255 0.0126 0.0455 0.0536
6 8 163 8 2.61 0.0733 0.0118 0.0333 0.0419
7 8 170 8 2.61 0.0252 0.0073 0.0190 0.0214
8 8 166 8 2.61 0.0439 0.0086 0.0253 0.0278
9 8 70 8 2.61 0.2489 0.0179 0.1955 1.1005
10 8 66 8 2.61 0.2208 0.0189 0.1367 1.3197
11 8 182 16 2.53 0.7676 0.0274 0.0973 0.1177
12 8 182 16 2.53 0.2695 0.0091 0.0433 0.0464
13 8 182 16 2.53 1.3958 0.0110 0.0905 0.0931
15 15 182 30 2.39 0.1161 0.0096 0.0391 0.0581
16 15 182 30 2.39 0.6692 0.0220 0.1137 0.1433
17 15 182 30 2.39 0.3000 0.0149 0.0458 0.0666