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How Accurate are Environmental Classifiers in Hearing Aids?

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1.  What do hearing aids use environmental classification for? To record sound environments where the hearing aid user is having difficulties hearing To show what types of listening environments are encountered by the hearing aid user in their daily lives. To control hearing aid features, such as directionality and noise reduction B and C

2.  What types of environments do hearing aid classification systems typically not classify? Music Birds and nature sounds Speech Noise

3.  Listeners in the current study showed a high level of agreement on: The basic components of the environments, such as whether there was speech, noise or music What type of music was played The gender of the people speaking The topic of conversation in the speech samples

4.  Which of the following is not true of environmental classifiers in hearing aids? they are proprietary they break down real world environments into idealized environments their output is typically stored and displayed via the datalogging feature they are standardized

5.  Why was a subjective evaluation of the test sounds included in this study? To account for different listening preferences To assess speech recognition in noise To ensure that the selected sounds were valid representations of perceived listening environments To log data in the hearing aids

6.  Which types of sounds were classified accurately by all the hearing aids tested? Speech, Quiet and White Noise Speech and Speech Babble Speech in noise Music

7.  Which speech-in-noise scenes prompted the most inaccuracies in identification? Party and Station Café and Supermarket Supermarket and Party Party and Café

8.  What element of the scene with the supermarket background caused inaccurate classification of speech-in-noise? Other conversations Background music Cash register sounds Cans falling off the shelf

9.  Which prototype environment was not classified by all hearing aids tested? Speech Noise Speech in noise Music

10.  Why does it matter that environmental classifiers in hearing aids are accurate? It allows environmentally dependent settings to be applied optimally It shows whether there is a need for fine-tuning It shows whether the hearing aids are being used correctly It lowers battery consumption