Table 1 Comparison of the sparsity levels
From: An efficient solution to sparse linear prediction analysis of speech
Method | kurtosis on the whole sentence | kurtosis onvoiced parts |
|---|---|---|
l2-norm minimization | 51.7 | 39.7 |
l1-norm minimization | 81.9 | 65.9 |
weighted-l2-norm minimization | 86.6 | 69.7 |