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Hanning Window |
| A type of time window that tapers time-history data to eliminate discontinuities at the beginning and end of the data record to be analyzed. Also called a cosine squared window to describe its shape in the time domain. |
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Hearing loss |
| The degredataion of hearing acuity due to noise or other factors. |
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Hearing level (HL, dB) |
| The deviation of the hearing of a person from the normal threshold of hearing as measured in decibels. Positive values of hearing level indicate a hearing loss. |
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Hearing protector |
| A device which can be used to reduce the amount of sound which reaches the ear. Hearing protection is used to reduce hearing loss when the user is exposed to high noise levels |
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Hearing threshold |
| (see Threshold of hearing) |
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Hertz (Hz) |
| The unit of frequency. It has been known as cycles per second. |
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HL |
| (see Hearing level) |
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