There are different kinds of microphones, but they all do about the same thing, which is to turn acoustic sounds into electronic signals that can be amplified, modified, or recorded. When you speak ...

Fig. 1: Diagrams from Wente’s 1916 patent application show the condenser microphone in cutaway view. Diaphragm (#6), which is grounded, is stretched only 5/10000th of an inch from the backplate (#7), ...

In the Aug. 10 issue, we wrote about the centennial of condenser microphones. Let’s look more closely at electret condenser microphones. Fig. 1: The few components that make up an electret microphone.

If you’ve ever used a cellphone, hearing aid, or baby monitor, listened to live or recorded music, or recorded anything yourself, you’re indebted to James West. West is the co-inventor of the electret ...

All microphones work in a similar way. They have a diaphragm (or a ribbon) that moves in response to changes in air pressure due to sound waves impinging on the diaphragm – similarly to how the ...

James West is the co-inventor of the electret microphone used in telephones, sound recording devices, hearing aids, and other products. A research professor of electrical and computer engineering and ...

Sennheiser has launched the HD 500 BAM boom arm microphone in India, an accessory designed for users of its HD 500 series ...