·Some
 additional information available from BP table:
 ·All
 candidate words recognized during recognition
 ·Word
 segmentations
 ·Word
 segment acoustic scores
 ·“Lattice density”: No. of competing word
 hypotheses at any instant
 ·Useful for
 postprocessing steps:
 ·Lattice
 rescoring
 ·N-best
 list generation
 ·Confidence
 measures