Speech recognition for the Siemens EWSD public exchange

Author

Littel, Bernhard ; Bauer, Josef ; Janke, Siegfried

Author_Institution

Siemens AG, Munich, Germany

fYear

1998

fDate

29-30 Sep 1998

Firstpage

175

Lastpage

178

Abstract

With the integrated voice processing system (IVPS), speech recognition capability has been made available for the EWSD public exchange. For the IVPS we designed a speaker independent, CDHMM-based IWR (isolated word recognition) system, featuring noise reduction, echo cancellation, channel adaptation, non-speech rejection and out-of-vocabulary rejection. A digit and control word vocabulary has been implemented for German, American English, French and Portuguese

Keywords

echo suppression; electronic switching systems; hidden Markov models; natural languages; noise; speech recognition; voice equipment; American English; CDHMM-based IWR system; French; German; Portuguese; Siemens EWSD public exchange; channel adaptation; control word vocabulary; digit vocabulary; echo cancellation; integrated voice processing system; isolated word recognition; noise reduction; nonspeech rejection; out-of-vocabulary rejection; speaker independent system; speech recognition; Digital signal processing; Echo cancellers; Hardware; Hidden Markov models; Noise reduction; Signal processing algorithms; Speech coding; Speech recognition; Thyristors; Tin;

fLanguage

English

Publisher

ieee

Conference_Titel

Interactive Voice Technology for Telecommunications Applications, 1998. IVTTA '98. Proceedings. 1998 IEEE 4th Workshop

Conference_Location

Torino

Print_ISBN

0-7803-5028-6

Type

conf

DOI

10.1109/IVTTA.1998.727716

Filename

727716