October 15, 2018

While the basic ANC concept is the same, it can be implemented in three different ways: feedforward, feedback, and hybrid. Each approach has its good and bad sides.

Feedforward active noise cancellation (Mic outside the ear cup)

In a feedforward setup, the microphone is...

September 1, 2018

Transflective TFT displays are characterized by very good readability in bright ambient light and direct sunlight. While transmissive TFT displays can only be operated with a backlight, transflective TFT displays feature a partially transparent reflector in front of th...

January 14, 2018

If you are like a lot of folks getting into projectors for the first time, you may be confused by the fact that every projector has TWO separate specifications for resolution: nativeand maximum. Why two different specs, and what is the difference between them?

It i...

November 19, 2017

To choose the right portable speaker, you need to consider several things. And below you will find those facts to consider before choosing or buying a portable speaker.


Connectivity is one of the most important points for a portable speaker. You must choose...

October 28, 2017

IP Ratings: (Ingress Protection or International Protection) - The Ingress Protection rating system is a classification system showing the degrees of protection from solid objects and liquids. The second number of the IP rating system refers to protection against liqui...

October 3, 2017

How Passive Radiators Work

A passive radiator speaker is a simple device that increases the low frequency response (Bass) of a speaker system*. When used properly, a passive radiator can give a speaker system the comparable performance characteristics of a much larger s...

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