1. Speech Enhancer

2. Listening layer sound processing
Speech Enhancer
Speech enhancement and noise reduction system
Based on Speech Intelligibility Index (SII) optimisation
Ensures optimum SII in all listening environments
Speech is heard clearly under noisy conditions
3. Main points from studies
Efficacy: How well can the Speech Enhancer work:
The Speech Enhancer can improve speech intelligibility in noise
Other noise reduction systems do not significantly benefit speech intelligibility in noise
The Speech Enhancer does not compromise listener comfort in noisy environments
Measurements of long-term average gain changes with the Speech Enhancer activated/deactivated confirm that the Speech Enhancer varies with SNR and hearing loss
4. Effect on speech intelligibility
The Speech Enhancer can improve speech intelligibilityin noise
How well can the Speech Enhancer work
Peeters, et al., 2009
5. Listening comfort in noise
How well can the Speech Enhancer work
The SE does not compromise listener comfort in noisy environments
Peeters, et al., 2009
6. Adapts to situations and clients
How well can the Speech Enhancer work
Karolina Smeds et al., 2009
7. Speech Enhancer studies
Peeters, H., Kuk, F., Lau, C. and Keenan, D. 2009. Subjective and objective evaluation of noise management algorithms.Journal of the American Academy of Audiology 20: 89-98.
Bentler R, Wu YH, Kettel J, Hurtig R. (2008). Digital noise reduction: outcomes from laboratory and field studies. Int J Audiol. Aug;47(8):447-60.
Mueller HG, Weber J, Hornsby BW. (2006)The effects of digital noise reduction on the acceptance of background noise. Trends Amplif. Jun;10(2):83-93.
Karolina Smeds, Niklas Bergman, Sofia Hertzman, and Torbjrn Nyman (2009).Noise reduction in modern hearing aids Long-term average gain measurements using speech.ISAAR Proceedings.