Skip to main content

Table 5 Additional time costs of the lattice reconstruction algorithms and LRE

From: Phone lattice reconstruction for embedded language recognition in LVCSR

Lattice reconstruction algorithm Real time factor
A1. Time-aligned phone lattice 0.19
A2. Phoneme-expanded 1-best lattice 0.26
A3. Frame-expanded N-best lattice 0.07
A3'. Pruned frame-expanded N-best lattice 0.07
PRVSM, standard PRVSM system 0.20
PRVSM-alt, PRVSM with LVCSR acoustic model 0.44