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Harry Potter Audio Books – The Pros And Cons
The Harry Potter mania has not skipped the audio books world. Apart from Harry potter books, movies and video games you could find all the Harry Potter series on audio books formats – downloadable audio books, audio books on CD and books on tape. Is...
Headphones To Please Any Type of Audiophile
There are many different types of headphones on the market today. This is in high contrast to the headphone market just a few decades ago, where your choices were either studio monitor headsets (the big, clunky type worn over the ears) or cheap...
Mobile Phone Ringtones via the web and on audio CDs
Dear Music Fans, Just have a few minutes to write... just wanted to share a little bit of information. I thought that music downloading were going to destroy sales of the regular compact disc. Wrong. Manufacturers are starting to add interesting...
Online Audio Book Rental Services vs. Audio Book Buying Services
Many of out friends, colleagues and online questions regard the price of audio books. First, they want to get details about free audio books. And, then when they usually ask which is better: audio book rental or audio book buying. There is no strict...
The Evolution of Audio Video Conferencing -
Audio video conferencing is a shorthand way of describing a virtual conference where no one has to leave her office to meet up with the rest of the group. A virtual conference may use telephones, televisions, computers, conferencing software,...
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Understanding & Reading Your Audiogram
After you have a hearing test, your hearing professional should show you a graph of how your hearing tested. This graph is called an Audiogram.
While many individual hearing offices make up a form of their own to use in marking your test results, there are some basics that are used quite frequently. Name and contact information are just a few of the things you will find on the form. However, probably the most important thing you will find on the form is the audiogram graph.
This graph has most of the information you will need to be fitted for a hearing aid properly.
There are two measurements used on an audiogram to gauge how you currently hear. These measurements are called Sound Frequency & Hearing Level:
The Sound Frequency is measured in Hertz, otherwise referred to as Hz. This measurement is across the top and is generally tested in the range of 250Hz to 8000Hz. Humans have been known to hear from 20Hz to 20,000Hz. The lower the number, the lower the sound. Example: A man's voice is going to be found farther to the left
than a woman's voice. Generally, consonants are found further to the right than vowels.
The Hearing Level, or HL, is measured in Decibels, or db. The important thing to know about decibels is that if a sound increases by 10 decibels, it doubles in loudness as we perceive it. A 0 (Zero) is considered to be the optimum (or normal) level of hearing. Most people suffer some form of hearing loss though, even if it hasn't reached a point where a hearing aid or other device is needed. Sounds on the chart down to about 35db are considered soft sounds. From there to about 70db are considered to be moderate sounds. Above 70db is considered a loud sound.
The rest of this article, along with sample audiograms can found in the Hearing Information section of Discount Valley.
About the Author
Stan Boston is the general manager of Discount Valley Hearing Aid Supply.
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