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van Wijngaarden, S.J. (author), Bronkhorst, A.W. (author), Houtgast, T. (author), Steeneken, H.J.M. (author), TNO Technische Menskunde (author)
While the Speech Transmission Index ~STI! is widely applied for prediction of speech intelligibility in room acoustics and telecommunication engineering, it is unclear how to interpret STI values when non-native talkers or listeners are involved. Based on subjectively measured psychometric functions for sentence intelligibility in noise, for...
article 2004
document
Steeneken, H.J.M. (author), Houtgast, T. (author), TNO Technische Menskunde (author)
In an earlier study we derived robust frequency-weighting functions for prediction of the intelligibility of short nonsense words.These frequency-weighting functions are applied for prediction of intelligibility such as with the speech transmission index (STI).Six independent experiments revealed essentially similar frequency-weighting functions...
article 2002
document
van Wijngaarden, S.J. (author), Steeneken, H.J.M. (author), Houtgast, T. (author), TNO Technische Menskunde (author)
article 2002
document
Steeneken, H.J.M. (author), Houtgast, T. (author)
The revised model for the speech transmission index (STIr, Speech Communication 28 (1999) 109), was validated with an independent set of 68 test conditions. For a subset of 18 conditions, including only additive noise and band-pass limiting, it was veri.ed that the STIr provides a good prediction of the CVC-word score. The additional...
article 2002
document
van Wijngaarden, S.J. (author), Steeneken, H.J.M. (author), Houtgast, T. (author), Bronkhorst, A.W. (author), TNO Technische Menskunde (author)
article 2002
document
van Wijngaarden, S.J. (author), Steeneken, H.J.M. (author), Houtgast, T. (author), TNO Technische Menskunde (author)
When listening to languages learned at a later age, speech intelligibility is generally lower than when listening to one's native language. The main purpose of this study is to quantify speech intelligibility in noise for specific populations of non-native listeners, only broadly addressing the underlying perceptual and linguistic processing. An...
article 2002
document
Verhave, J.A. (author), Steeneken, H.J.M. (author), van Wijngaarden, S.J. (author), TNO Technische Menskunde (author)
Actieve geluidsreductie (ANR) is, mits goed toegepast, een waardevolle aanvulling op passieve gehoorbescherming.
article 2002
document
Steeneken, H.J.M. (author), Verhave, J. (author)
article 2001
document
Steeneken, H.J.M. (author), Houtgast, T. (author)
Current objective measures for predicting the intelligibility of speech by an index assume that this can be obtained by simple addition of the contributions of individual frequency bands. The Articulation Index (AI, and the related Speech Intelligibility Index), and the Speech Transmission Index (STI) are based on this assumption. There is...
article 1999
document
van Wijngaarden, S.J. (author), Verhave, J.A. (author), Steeneken, H.J.M. (author), TNO Technische Menskunde (author)
De spraakverstaanbaarheid van het omroepsysteem in de Wijkertunnel wordt bepaald door de eigenschappen van het omroepsysteem, de akoestische eigenschappen van de tunnel en de in de tunnel aanw ezige lawaaibronnen. Het lawaai dat door de aanwezige stuwventilatoren wordt geproduceerd blijkt tot een belangrijke reductie van de...
report 1998
document
Steeneken, H.J.M. (author), Instituut voor Zintuigfysiologie TNO (author)
An attempt was made to obtain, from two subjective and one objective intelligibility measures, additional information concerning the type of deterioration the speech signal was subjected to. For this method a data reduction of the original phoneme scores and phoneme confusions was applied. This procedure was also performed for an objective ...
conference paper 1987
document
Instituut voor Zintuigfysiologie TNO (author), Steeneken, H.J.M. (author), Houtgast, T. (author)
report 1986
document
Steeneken, H.J.M. (author), Houtgast, T. (author), Instituut voor Zintuigfysiologie TNO (author)
article 1980
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Instituut voor Zintuigfysiologie TNO (author), Plomp, R. (author), Steeneken, H.J.M. (author)
conference paper 1975
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Instituut voor Zintuigfysiologie TNO (author), Houtgast, T. (author), Steeneken, H.J.M. (author)
Generally, when a signal is passed through an enclosure, the envelope of the received signal is a smoothed version of the originial envelope. Traditionally, this effect of the enclosure is quantified by its reverberation curve. We suggest that the relation between the input and output envelopes can also be described by the action of a filter...
conference paper 1973
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