Towards a Danish speech material for speech-on-speech masking investigations

Authors

  • Jens Bo Nielsen Centre for Applied Hearing Research, Technical University of Denmark, DK-2800 Lyngby, Denmark
  • Tobias Neher Eriksholm Research Centre, Oticon A/S, DK-3070 Snekkersten, Denmark
  • Torsten Dau Centre for Applied Hearing Research, Technical University of Denmark, DK-2800 Lyngby, Denmark

Abstract

The objective of the present project is to create a Danish speech material designed specifically for investigations of speech-on-speech masking. Speech-on-speech masking is characterized by “informational” masking effects, often defined as the masking that speech creates in addition to the energetic masking by pure noise. In the present project, 804 unique sentences have been created, divided into three subsets, and uttered by three professional female talkers. Listening tests are in progress in order to compile test lists, each consisting of 20 sentences of approximately equal intelligibility. The final corpus is expected to consist of three sets of 10 test lists that are equally usable as target or masker signals. A pilot validation of the corpus has shown a high average speech recognition threshold (SRT) and a relatively small test-retest standard deviation compared to other materials.

References

Clopper, C.G., Pisoni, D.B., and Tierney, A.T. (2006). “Effects of open-set and closed-set task demands on spoken word recognition,” J. Am. Acad. Audiol. 17, 331-349.

Helfer, K.S. and Freyman, R.L. (2009). “Lexical and indexical cues in masking by competing speech,” J. Acoust. Soc. Am. 125, 447-456.

Neher, T., Behrens, T., Carlile, S., Jin, C., Kragelund, L., Petersen, A.S., and van Schaik, A. (2009). “Benefit from spatial separation of multiple talkers in bilateral hearing-aid users: Effects of hearing loss, age, and cognition,” Int. J. Audiol. 48, 758-774.

Nilsson, M., Soli, S.D., and Sullivan, J.A. (1994). “Development of the Hearing In Noise Test for the measurement of speech reception thresholds in quiet and in noise,” J. Acoust. Soc. Am. 95, 1085-1099.

Additional Files

Published

2011-12-15

How to Cite

Nielsen, J. B., Neher, T., & Dau, T. (2011). Towards a Danish speech material for speech-on-speech masking investigations. Proceedings of the International Symposium on Auditory and Audiological Research, 3, 175–181. Retrieved from https://proceedings.isaar.eu/index.php/isaarproc/article/view/2011-21

Issue

Vol. 3 (2011): Speech Perception and Auditory Disorders

Section

2011/1. Indicators of hearing impairment and measures of speech perception

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