Table 2

Experimental configurations

Backend

ID

Frontend

type

Lattice reconstruction algorithm

for VSM training and test


A0

LVCSR

None (using word-based phone lattices)

A1

LVCSR

Time-aligned phone lattice

A2

LVCSR

Phoneme-expanded 1-best lattice

A3

LVCSR

Frame-expanded N-best lattice

A3'

LVCSR

Pruned frame-expanded N-best lattice

PRVSM

Phone-loop

None (standard PRVSM system)

PRVSM-alt

Phone-loop

None (standard PRVSM system with LVCSR acoustic model)


Each experiment was implemented twice, once with an English LVCSR frontend and once with a Mandarin LVCSR frontend

Shan et al. EURASIP Journal on Audio, Speech, and Music Processing 2012 2012:15   doi:10.1186/1687-4722-2012-15

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