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2. Noise-cancelling headphones - Wikipedia

   en.wikipedia.org/wiki/Noise-cancelling_headphones

   Noise-cancelling headphones are headphones that suppress unwanted ambient sounds using active noise control (ANC). Active noise cancellation makes it possible to listen to audio content without raising the volume excessively. In an aviation environment, noise-cancelling headphones increase the signal-to-noise ratio significantly more than ...

3. Are Noise-Canceling Headphones Harmful to Your Ears? - AOL

   www.aol.com/noise-canceling-headphones-harmful...

   In conclusion, over-ear headphones provide better insulation between speakers and eardrums than earbuds, but both devices should still be used with caution. To stay safe while enjoying music ...

4. Our tech writer's pick for best budget earbuds are 50% off ...

   www.aol.com/lifestyle/our-tech-writers-pick-for...

   Listen up: Our senior tech writer, Rick Broida, has spent the past two decades testing (and testing, and re-testing) hundreds of earbuds. So, when he's surprised by just how good a $40 pair ...

5. Bone conduction - Wikipedia

   en.wikipedia.org/wiki/Bone_conduction

   Bone conduction is the conduction of sound to the inner ear primarily through the bones of the skull, allowing the hearer to perceive audio content even if the ear canal is blocked. Bone conduction transmission occurs constantly as sound waves vibrate bone, specifically the bones in the skull, although it is hard for the average individual to ...

6. Absolute threshold of hearing - Wikipedia

   en.wikipedia.org/wiki/Absolute_threshold_of_hearing

   Absolute threshold of hearing. The absolute threshold of hearing (ATH), also known as the absolute hearing threshold or auditory threshold, is the minimum sound level of a pure tone that an average human ear with normal hearing can hear with no other sound present. The absolute threshold relates to the sound that can just be heard by the ...

7. People say Bose’s new wireless earbuds really do help them ...

   www.aol.com/news/people-bose-wireless-earbuds...

   <p>There are so many products out there that claim to help you sleep better and it seems like most of them don’t work very well. In fact if you’re like me, you’ve probably tried so many that ...