The combination of Bluetooth headsets and noise reduction technology has revolutionized the way we use our cell phones. From more convenience and clarity to higher levels of safety while driving and talking on the phone, noise reduction and Bluetooth are a good match. Whether you are addicted to your Bluetooth headset, or only use one occasionally, you will benefit from purchasing a Bluetooth headset that utilizes noise-reduction technology.
Bluetooth
Bluetooth technology was invented in 1994 by Ericsson, a Swedish company. Bluetooth transmits signals to a PAN, or Personal Area Network, which is designed to transmit signals a maximum of 33 feet. Bluetooth can transmit a variety of data, including files, sounds, and keyboard or mouse actions.
Noise Reduction Technology
The telephone companies were attempting to develop the first noise reduction systems as early as the 1930s, but it wasn't until 1966 when Ray Dolby developed a widely used noise reduction technology called Dolby Type A, which used a wide-band compander.
Wide-band companders electronically raise and lower different parts of the sound spectrum to eliminate "hiss," but the fluctuating sound levels cause the volume of other sounds to vary which can lead to less than satisfactory results.
Today's noise-reduction technologies use linear smoothing filters, anisotropic diffusion, other filters, or a combination.
Examples
There are a wide variety of Bluetooth headsets with noise-reductions features. These headsets can vary from about $30 to hundreds of dollars and vary in size and shape. For example:
The Motorola H700 is an affordable model featuring noise-reduction and echo-reduction technology, but has a bulkier design than many other headsets.
The Samsung WEP500 is a mid-range Bluetooth headset with powerful noise-cancellation abilities and a comfortable circular design.
The Aliph Jawbone, has a very stylish design and robust noise-cancellation features but is relatively expensive.
Tags: Bluetooth headset, Bluetooth headsets, noise reduction, Noise Reduction, noise reduction, reduction technology