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2. Audiogram - Wikipedia

   en.wikipedia.org/wiki/Audiogram

   Audiogram. An audiogram is a graph that shows the audible threshold for standardized frequencies as measured by an audiometer. The Y axis represents intensity measured in decibels (dB) and the X axis represents frequency measured in hertz (Hz). [1] The threshold of hearing is plotted relative to a standardised curve that represents 'normal ...

3. Weighting filter - Wikipedia

   en.wikipedia.org/wiki/Weighting_filter

   Weighting filters in these instruments then filter out certain frequencies and decibel levels depending on the filter. A weighted filters are most similar to natural human hearing. This allows the sound level meter to determine what decibel level the incoming sound would likely be for a normal hearing human's auditory system. Loudness measurements

4. A-weighting - Wikipedia

   en.wikipedia.org/wiki/A-weighting

   A-weighting. A-weighting is a form of frequency weighting and the most commonly used of a family of curves defined in the International standard IEC 61672:2003 and various national standards relating to the measurement of sound pressure level. [1] A-weighting is applied to instrument-measured sound levels in an effort to account for the ...

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   These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...

6. Absolute threshold of hearing - Wikipedia

   en.wikipedia.org/wiki/Absolute_threshold_of_hearing

   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 ...

7. Sensorineural hearing loss - Wikipedia

   en.wikipedia.org/wiki/Sensorineural_hearing_loss

   Sensorineural hearing loss ( SNHL) is a type of hearing loss in which the root cause lies in the inner ear, sensory organ ( cochlea and associated structures), or the vestibulocochlear nerve ( cranial nerve VIII). SNHL accounts for about 90% of reported hearing loss. [citation needed] SNHL is usually permanent and can be mild, moderate, severe ...