[PDF][PDF] Cellular-phone based speech-to-speech translation system atr-matrix

R Gruhn, H Singer, H Tsukada, M Naito…�- …�on Spoken Language�…, 2000 - isca-archive.org
R Gruhn, H Singer, H Tsukada, M Naito, A Nishino, A Nakamura, Y Sagisaka, S Nakamura
Sixth International Conference on Spoken Language Processing, 2000isca-archive.org
We describe the implementation of a cellular-phone based speech translation system
without telephone quality speech database or special CT hardware. The purpose is to
quickly build a prototype service system that can be used for data collection with real users.
To train the acoustic model for the speech recognition system, available high-quality
databases were made usable by 1.) appropriate downsampling and ltering of high-quality
databases, and 2.) by piping, similar to the NTIMIT and CTIMIT paradigms. An evaluation of�…
Abstract
We describe the implementation of a cellular-phone based speech translation system without telephone quality speech database or special CT hardware. The purpose is to quickly build a prototype service system that can be used for data collection with real users. To train the acoustic model for the speech recognition system, available high-quality databases were made usable by 1.) appropriate downsampling and ltering of high-quality databases, and 2.) by piping, similar to the NTIMIT and CTIMIT paradigms. An evaluation of acoustic models with ltered, piped and real cellular-phone data is given. Recognition rates are at same levels as for wideband speech.
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