Abnormal audiometric audibility limit © Siemens Stiftung 2018 CC BY-SA 4.0 international

Abnormal audiometric audibility limit

Image

Chart:
Audiometric audibility limit of a person with hearing impairment compared to an intact sense of hearing shows handicap in speech range.

English, German
Image (127.3 kByte)
2018-04-22
The speech range is that range of frequency and loudness where speech communication usually takes place. Within the audiometric audibility limit it is the kidney-shaped range. In our chart it is coloured blue. When, for example, hair cells are damaged in the inner ear and no longer work, the audiometric audibility limit changes. The speech range is affected.

Information and ideas:
An attempt at comparing charts showing normal hearing and reduced hearing can be done by students individually – as homework. It is useful for testing written expression (English) as well as for testing basic skills from Mathematics or Physics (how to interpret a chart, for example).

Relevant for teaching:
Hearing defects/hearing impairment
How hearing functions
Sound/acoustics
Illustration
Biology; Physics; Technology
Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Middle/high school; Vocational training
Chart; Hearing impairment; Sense of hearing
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© Siemens Stiftung 2018
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