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Hearing loss is a partial or total inability to hear. Hearing loss may be present at birth or acquired at any time afterwards. Hearing loss may occur in one or both ears. In children, hearing problems can affect the ability to acquire spoken language, and in adults it can create difficulties with social interaction and at work.
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Otorhinolaryngology, audiology. Noise-induced hearing loss ( NIHL) is a hearing impairment resulting from exposure to loud sound. People may have a loss of perception of a narrow range of frequencies or impaired perception of sound including sensitivity to sound or ringing in the ears. [1] When exposure to hazards such as noise occur at work ...
Absolute threshold of hearing. The absolute threshold of hearing ( ATH ), also known as the absolute hearing threshold or auditory threshold, is the minimum sound level of a pure tone that an average human ear with normal hearing can hear with no other sound present. The absolute threshold relates to the sound that can just be heard by the ...
The Sun is said to be extremely noisy, but we can’t hear it since sound doesn’t travel through space. Scientists at the University of Sheffield decided to use vibrations within our star's ...
To do this, Marshall designers connected the two input stages in series rather than parallel on the 2203, but not initially on the 2204, and modified the gain stage circuitry to preserve the tonal characteristics of the 'cranked Plexi' sound and converted the now obsolete second channel volume control to a Master Volume by wiring it between the ...
Evanescence is the third studio album by American rock band Evanescence, released on October 7, 2011, by Wind-up Records.The band began writing the album in June 2009. Its release was delayed several times; on February 22, 2010, the band entered the studio with producer Steve Lillywhite but later stopped working with him because he "wasn't the right fit".
The ear's shape also allows the sound to be heard more accurately. Many breeds often have upright and curved ears, which direct and amplify sounds. As dogs hear higher frequency sounds than humans, they have a different acoustic perception of the world. Sounds that seem loud to humans often emit high-frequency tones that can scare away dogs.