Effects of ipods on the hearing loss

1
Effects of ipods on the hearing loss

• The type of ipods earphone and headphone used to
  impact the sound level that reaches the ear
  canal. the headphones produce the high-level
  volume in the ear canal. The quality of current
  digital music device and the technology of the
  music to be played at very high-level volume
  without distortion. Levels of 85 dB to 115 dB are
  possible beyond a range of devices, with max
  level reach 121 dB in some situations.Headphones
  are can also damage our ears ,hearing if you use
  long time or play music loudly

2
Risk of damaging your hearing

• Effect of noice on hearing particuler emphasis on
  personal listening sytem(ex- ipods,mp3
  players.When you use headphones and ear phones
  the direct voice goes into your ear.If anyone
  listens at more then 100 db for even 15 min. he
  can face hearing loss. so if you have to use
  ipods,headphones make sure to give your ear's
  some rest and do not listen music in high volume.

3
Hearing loss graph

• Hearing range describes the range of frequencies
  that can be heard by humans.The human range is
  commonly given as 20 to 20,000 Hz.

4
Ear safety tips

• Avoid loud environment.
• Use wear noise cancelling equepment.
• Limit your time in noise environment.
• Keep your ears dry.

5
Volume level of common sound

• we can hear more than 140 db, it is painful for
  our ears .A volume level of common sound show and
  the level are in decible.

6
Wear noise cancelling equepment

• Noise cancelling headphones use digital signal
  processing (DSP) technology to active beacuse the
  outer sound is not reach in our ear.Many people
  are happy to discover that, these headphones do
  no pass the external sounds.