How loud is your neighborhood?—Community Noise

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Nearly everyone has a story about annoying noises—the roommate who plays music at all hours of the night, the would-be dragsters on the freeway nearby, or the airplanes roaring past overhead. Obnoxious sounds can distract us and disrupt the normal balance of our lives. In severe cases, noise can contribute to increased aggression, hypertension, and stress. Long term effects of high levels of noise exposure include hearing loss, tinnitus (ringing in the ears), sleep disturbance, and increased blood pressure. It ...

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Why Don’t My Noise-Canceling Headphones Block All Sounds?

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Calling headphones noise-cancelling can be deceptive. While it is true that noise-cancelling headphones are capable of counteracting some background noises, they are not perfect for all types of noise. In this article we will discuss the inner workings, limitations, and potential tradeoffs of noise-cancelling headphone technology.

All Headphones are Noise Cancelling

Technically all headphones are noise cancelling on some level. Just as putting your hands over your ears blocks incoming sound, any headphone you put on, in, or over your ear will ...

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Dynamic Microphones: Are They Right for Me?

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Microphones are categorized by the way they transform sound energy into electrical energy. In acoustics terms, the process of changing energy from one type to another is called transduction. In this article we will explore the way a dynamic microphone transducer works and what that might mean for choosing the right microphone for your next project.

How Do They Work?

Some confusion about dynamic microphones exists because of the word dynamic. When dynamic is used to describe microphones, it is not referencing ...

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