Slhs 2010 essay

Slhs 2010 essay - Amrhein 1 William Amrhein SLHS 2010 Essay...

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Amrhein 1 William Amrhein SLHS 2010 Essay 12-3-07 Speech Sounds and Hearing Loss When a person is thinking about getting a hearing aid, they are almost certainly not concerned with hearing the typical beeps of a hearing test, but they are worried about hearing speech sounds. Different speech sounds have very distinct qualities, in terms of frequency and intensity in average speech. These qualities are the cause of certain speech sounds to be lost in people with hearing deficiencies, and if you can show them that they are losing whole parts of the English language, they then may be more encouraged to seek help for their hearing problems. High frequencies sounds are the first to be lost as hearing capability deteriorates, which is detrimental if your loss is at the frequency of a speech sound. The speech sounds with the highest frequencies are aspirated fricatives, as well as most voiceless consonants. A couple of fricatives at the extreme end of the spectrum include /th/ and /s/, two very common sounds in the English language, which are spoken at 5000-6000 Hz. (Med Rx 1.) A patient with high-frequency loss might not be able to hear the first and last speech sounds in the word ‘this.’ How is one supposed to comprehend live speech when this is occurring? It is not easy for people with hearing loss to solve these difficulties in their speech. However, even if the loss of a certain frequency is only partial there can still be major problems when it comes to everyday life. Masking is what causes noise competition in environments with background noise, which is harder to compensate for at higher frequencies. This occurs when a
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Amrhein 2 similar frequency is presented apart from the intended signal as background noise, which causes it to interfere with the detection of a sound. When a signal is high in frequency, for instance the speech sounds discussed earlier, a higher signal – noise ratio is needed. Signal-noise ratio determines whether a certain sound will be masked or not. The ratio
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Slhs 2010 essay - Amrhein 1 William Amrhein SLHS 2010 Essay...

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