ear (ir) n.

1. Anatomy a. The vertebrate organ of hearing, responsible for maintaining equilibrium as well as sensing sound and divided in mammals into the external ear, the middle ear, and the inner ear. b. The part of this organ that is externally visible.

2. An invertebrate organ analogous to the mammalian ear.

3. The sense of hearing: a sound that grates on the ear.

4. Sensitivity or receptiveness to sound, especially: a. Sharpness or refinement of hearing: a singer with a good ear for harmony. b. The ability to retain and reproduce a passage of music: plays the piano by ear. c. Responsiveness to the sounds or forms of spoken language: a writer with a good ear for dialogue; has an ear for foreign languages.

5. Sympathetic or favorable attention: "[The President] wavers between the two positions, depending on who last had his ear" Joseph C. Harsch

6. Something resembling the external ear in position or shape, especially: a. A flexible tuft of feathers located above the eyes of certain birds, such as owls, that functions in visual communication but not in hearing. Also Called ear tuft. b. A projecting handle, as on a vase or pitcher.

7. A small box in the upper corner of the page in a newspaper or periodical that contains a printed notice, such as promotional material or weather information.

8. ears Informal Headphones.


Ear Magazine

A somewhat aperiodic periodical devoted to new, alternative, and experimental music and related subjects, EAR was brought to New York City from the west coast by Beth Anderson and it continued to be a major new music information source under the direction of of subsequent management until its demise in the early 1990s. Here's a brief chronology of EAR as sent to me by Beth in a recent email message:

"It was started in BERKELEY by Charles Shere and Anne Kisch and I came in on Vol. 1 #5 in 5/73 just as Anne moved to Europe. So Charles and I did it until 2/75 and then in 2/75 I did the last issue with Charles on the west coast and in 3/75 I did the first issue on the east coast Vol.1#1 of EAR-East or EAR-NY or whatever we called it with Jill Kroesen, RIP HAYMAN, you and Alison Knowles was on it for awhile. There was a good interview with me in the 10th anniversary issue of EAR-NY where I didn the whole history of it...

"Charles and various people continued it out there for years. So the country had 2 EARs for awhile. And now there are none."


Method of ISO 1999

Estimation of hearing impairment due to age and noise



Age
8hr Normalized Sound Level
Years of exposure



Enter data in each box above, then click button below



Result = %

Notes:

1] No guarantee of any kind whatsoever for this software

2] Exposure to high noise levels could always be dangerous to an individual even where a low risk of hearing loss is found for a population. Do not therefore assume that a low risk as indicated by this program is safe.

3] No input form constraint checking - be careful to input correctly

4] HTLAN is the Hearing Threshold Level (HTL) {at the relevant frequencies} associated with age and noise

5] 8hr Normalized sound level is the A-weighted sound exposure normalized to an eight hour day.

6] The Result is the percentage of the male or female population that will attain or exceed the HTLAN for the given input parameters

7] Reference should be made to ISO 1999:1990 for full details

8] The American Standard adapted from ISO 1999 is ANSI S3.44 -1996 (ASA 122-1996)

9] The pre-ISO 1999:1990 British Standard, BS 5330:1976, gives tables for easily estimating the risk of hearing handicap due to noise exposure (for hearing threshold level 30dB, mean of 1, 2, 3kHz). Generally the risk is found to be slightly lower in BS5330 than ISO 1999

10] JavaScript Browser such as Netscape v.2 or better required


Credit for the ISO Method 1999 Javascript goes to: http://www.measure.demon.co.uk and to Javascript Planet


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