From: Automatic Recognition of Lyrics in Singing
LM
Male
Female
No language model
51.5/21.0
55.8/16.5
Phoneme unigram
44.8/32.8
47.8/29.3
Phoneme bigram
45.3/34.9
50.6/32.0
Phoneme trigram
49.3/16.3
56.2/16.6