Influence of native and non-native multitalker babble on speech recognition in noise

  • Chandni Jain | chandni_j_2002@yahoo.co.in Department of Audiology, All India Institute of Speech and Hearing, Manasagangothri, Mysore, India.
  • Sreeraj Konadath Department of Audiology, All India Institute of Speech and Hearing, Manasagangothri, Mysore, India.
  • Bharathi M. Vimal Department of Audiology, All India Institute of Speech and Hearing, Manasagangothri, Mysore, India.
  • Vidhya Suresh Department of Audiology, All India Institute of Speech and Hearing, Manasagangothri, Mysore, India.

Abstract

The aim of the study was to assess speech recognition in noise using multitalker babble of native and non-native language at two different signal to noise ratios. The speech recognition in noise was assessed on 60 participants (18 to 30 years) with normal hearing sensitivity, having Malayalam and Kannada as their native language. For this purpose, 6 and 10 multitalker babble were generated in Kannada and Malayalam language. Speech recognition was assessed for native listeners of both the languages in the presence of native and nonnative multitalker babble. Results showed that the speech recognition in noise was significantly higher for 0 dB signal to noise ratio (SNR) compared to -3 dB SNR for both the languages. Performance of Kannada Listeners was significantly higher in the presence of native (Kannada) babble compared to non-native babble (Malayalam). However, this was not same with the Malayalam listeners wherein they performed equally well with native (Malayalam) as well as non-native babble (Kannada). The results of the present study highlight the importance of using native multitalker babble for Kannada listeners in lieu of non-native babble and, considering the importance of each SNR for estimating speech recognition in noise scores. Further research is needed to assess speech recognition in Malayalam listeners in the presence of other non-native backgrounds of various types.

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Published
2014-05-20
Section
Original Articles
Keywords:
speech perception in noise, multitalker babble, signal to noise ratios.
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How to Cite
Jain, C., Konadath, S., Vimal, B., & Suresh, V. (2014). Influence of native and non-native multitalker babble on speech recognition in noise. Audiology Research, 4(1). https://doi.org/10.4081/audiores.2014.89