fix LfrCmvn for paraformer (#1097)

Yabin Li

2023-11-16 0c68c942fe84567c48f62b59a0bc0e60d0b29b15

1
2
3
4
5
6
7
8
9
first    one
second    two
third    three
fourth    four
fifth    five
sixth    sixth
seventh    seven
eighth    eight
ninth    nine