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It also provides 360-degree situational awareness (Directional - 3D sound) that allows the wearer to determine which direction the voice or other audio (Noise) is coming from. Models are available with different communication options including a two-way radio connection via cable and/or a Bluetooth capability so users can talk on the phone and ...
$170.00 at Net-a-Porter. Bluetooth Earmuff Headphones. If your over-the-ear headphones aren't keeping your ears warm enough during your daily dog walk, try these practical Bluetooth earmuff ...
Dual hearing protection refers to the use of earplugs under ear muffs. This type of hearing protection is particularly recommended for workers in the mining industry because they are exposed to extremely high noise levels, such as an 105 dBA TWA. [25] [26]} Fortunately, there is an option of adding electronic features to dual hearing protectors ...
Two people wearing behind-the-neck earmuffs. Thermal earmuffs are worn for protection from the cold. Because the ears extend from the sides of the head to gather sound waves, they have a high skin surface-area-to-volume ratio, and very little muscle tissue, causing them to be one of the first body parts to become uncomfortably cold as temperatures drop.
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A microphone captures the targeted ambient sounds, and a small amplifier generates sound waves that are exactly out of phase with the undesired sounds. When the sound pressure of the noise wave is high, the cancelling wave is low (and vice versa). The opposite sound waves collide and are eliminated or "cancelled" (destructive interference ...