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Phonak Audéo™ Paradise - August 2020

Does Non-Linear Frequency Compression Improve Listening in Noise?

Christine Jones, AuD, CCC-A

August 18, 2014

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Question

Does non-linear frequency compression (NFC) improve listening in noise?

Answer

Some people benefit in noise with NFC; others do not.   To better understand what those patient variables are, we need further research.  Several studies have reported that, on average, subjects’ ability to understand in noise improved with SoundRecover compared to conventional amplification. 

Bohnert (2010) demonstrated that 7 of 11 subjects with severe to profound SNHL performed better in noise with SoundRecover than with conventional amplification.

Wolfe et al. (2011) showed that children with up to moderately-severe SNHL improved on the Bamford Kowal Bench speech-in-noise (BKB-SIN) test after six months of NFC use. 

This Ask the Expert was taken from the article and text course, Sound Bytes on SoundRecover – view the complete article for more information.

References

Bohnert, A., Nyffeler, M., & Keilmann, A. (2010). Advantages of a non-linear frequency compression algorithm in noise.  European Archives of Otorhinolaryngology267(7), 1045-1053. doi: 10.1007/s00405-009-1170-x.

Wolfe, J., John, A., Schafer, E., Nyffeler, M., Boretzki, M., & Caraway, T., et al. (2011). Long-term effects of non-linear frequency compression for children with moderate hearing loss. International Journal of Audiology50(6), 396–404. doi: 10.3109/14992027.2010.551788.

For more information, please visit www.phonakpro.com or the Phonak Expo Page on AudiologyOnline.


christine jones

Christine Jones, AuD, CCC-A

Director, Pediatric Clinical Research, Phonak

Christine joined Phonak in 2001.  She currently serves as the Director of Pediatric Clinical Research.   In this role, Christine is responsible for managing external pediatric clinical research and supporting Phonak's position as a technology and service innovator across the worldwide Pediatric market.   She  assists with the ongoing development and substantiation of an evidence-based pediatric roadmap.  Christine received her Master’s degree in Audiology from Vanderbilt University and her Doctorate of Audiology from Central Michigan University. 

 


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