Sound Activity Meters Improve Hearing Aid Quality

28 million Americans suffer from hearing loss, with each case as unique as a fingerprint. Until now, to get a hearing aid that fit their needs, patients had to accurately describe their listening environments, a challenge in today's busy, noisy world.

A new invention is now making this possible. It's called a Sound Activity Meter, or SAM. It's as small as a lapel pin, and can discretely travel with patients to map their listening situations throughout the day.

Read more: CBS 11 - Dallas