I want to share with you this neat free program that tests your hearing capability in different frequencies. It was designed by a famous blogger Jimmy Ruska. It’s a simple shockwave flash file that runs on any browser. I’m not sure if its accuracy has been tested medically. There are a couple of hearing tests online. But this one tests wide range of frequencies.
To use it, make sure that your browser already has the Adobe Shockwave flash plugin. If you have recently viewed many Youtube video files, then you already have flash plugin installed. If not, then go to this website and install it. Now, make sure that your computer speaker is ON and at a normal range. Look at my screenshot to know how to operate it.
Now go to this site: http://www.jimmyr.com/blog/hearingloss.html
Our sensitivity to sounds are measured in frequencies with Hertz (Hz) as the unit of measurement. You can also equate this as the number of vibrations produced every second. The ear helps the body pick up sound waves and vibrations. The frequency range for human hearing lies between 20 Hz and approximately 20,000 Hz. The feeling of the human ear drops off sharply below about 500 Hz and above 4,000 Hz. Think of it as the standard keys in the piano. If you can hear all 88 keys then you are fine. However, there are still plenty of sound pitches or notes higher or lower than those within the 88 key range.
Please do not confuse frequencies with decibels. Decibels (dB) are unit of measuring loudness of sounds. To relate this two, think of it this way. You need to make the high pitch sound (Hz) louder (dB) in order for a hard of hearing person to hear it.
Here are some interesting facts:
- Hearing loss appears significantly as we grow older.
- Men lose sound frequency faster than women. That probably explains why wives got angry with their husbands because they can’t hear their nagging voices. Hmmmm…..
- Dogs whining and kettle whistling produce high pitched sounds.
- Some low frequencies like a heart beat of 1 or 2 Hz can not be heard.
- Inability to hear certain levels of frequencies are called “sensorineural hearing loss“.
- Personal media players, such as iPods which often reaching 115 decibels or higher, can produce powerful enough sound to cause significant Noise-Induced Hearing Loss beginning at 4000 Hz or high frequency sounds.
- Seek medical assistance when other people complain that the television is too loud while you regard it as comfortable.
Who knows? You might discover that you are unable to hear certain levels of sounds. I found out myself that I can’t hear 50 Hz sounds. I just thought I might amuse you with this. 🙂