… used to assess and improve speech recognition technology since Nov95, when a DARPA dry
run … the Nov96 partitioned evaluation the focus condition of each test segment was provided by
NIST. In the LIMSI Nov96 system the telephone decision was based on the output of the …

… Speech (CTS) recognition system jointly developed by BBN and LIMSI under the DARPA EARS
(Effective … LIMSI system uses both cross-site adaptation and system combination employing NIST
ROVER to … Table 3: Summary of improvements to the LIMSI CTS compo- nent system …

… to BN The first CTS system developed at LIMSI used the same basic components as the LIMSI
BN system … These first experiments were done using the NIST Hub5 2001 test set (Eval01) … Over
the years of the DARPA EARS program, the CTS system was continually improved by …

… In this paper we have described the LIMSI Nov96 Hub4 system and the development work in
preparation for the … partitioned evaluation data from 4 shows, an overall word error of 27.1% was
obtained (official NIST score … DARPA Speech Recognition Workshop, Arden House, Feb …

… the word error rate is still about 20%(even though the NIST scoring program has … and Channel
Change Detection and Clustering via the Bayesian Information Criterion”, DARPA Broadcast
News … L. Lamel, M. Adda-Decker,“Tran- scribing Broadcast News: The LIMSI Nov96 Hub4 …

… Affordable, Re-usable, Speech- to-Text) program for the 2004 Rich Transcription evaluation
(RT04) conducted by NIST … Under the DARPA EARS program a major effort was initiated in 2002
to collect a large … Summary of improvements to the LIMSI CTS com- ponent system …

… in the initial speech detection step to further re- duce the speaker diarization error, a
post-processing stage uses the word segmentation output by the LIMSI Broadcast News … Online]
Available: http://www.nist.gov/speech … DARPA Speech Recogni- tion Workshop, Chantilly, VA …

… 10x RT 50x RT unlimited LIMSI BBN IBM NIST BBN CMU ROVER IBM LIMSI 17.1% 17.3% 17.6%
24.6% 26.3 … do not report sentence errors [3]. 2This year, NIST also used normalizing/filtering
prior to combination … In DARPA Broadcast News Workshop, Washington, May 2000 …

… The highest F-measure score achieved on the 1998 Broadcast News transcriptions was
82.39, with the LIMSI results … Proceedings of the 1997 DARPA Speech Recognition
Workshop: http://www.nist.gov/speech/proc/darpa97/index.htm …

Speech recognition is concerned with converting the speech waveform, an acoustic signal,
into a sequence of words. Today's most practical approaches are based on a statistical
modelization of the speech signal. This chapter provides an overview of the main topics …