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Inside this Newsletter
New Study : First Guidelines
for Safe Levels of iPod
Music Listening
Hearing Aids – An
Unexpected Way to Improve
Your Sex Life
Genetic Hearing Loss May
be Reversible without Gene
Therapy
Breastfeeding May Help
Overcome Genetic
Predisposition to Ear
Infections
Steroids for Treatment of
Sudden Hearing Loss
The Lighter Side of Life :
Famous Quotes
New Study Provides
First Guidelines for
Safe Levels of iPod
Music Listening
Research Laboratory at CU-Boulder.
The research was funded primarily by
the Department A new analysis of
iPods and other portable, digital
music players by researchers at the
University of Colorado at Boulder and
Children’s Hospital in Boston has
produced the first-ever detailed
guidelines for safe listening levels
using earphones.
The study indicates a typical person
can safely listen to an iPod for 4.6
hours per day at 70% volume using
stock earphones, according to Cory
Portnuff, a doctoral researcher in CU-
Boulder’s speech language and
hearing sciences department.
Portnuff, who undertook the study
with Brian Fligor, director of audiology
at Children’s Hospital said the study
quantifies both safe and hazardous
music listening levels for the typical
person.
The researchers found, for example,
that listening to music at full volume
through an iPod for more than 5
minutes a day using stock earphones
can increase the risk of hearing loss
in a typical person. But they also
concluded that individuals can safely
listen to iPods for 90 minutes a day
with the supplied earphones if the
volume is at 80% of maximum levels
without greatly increasing the risk of
hearing lo