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Glossary

DSP

Digital Signal Processing - this describes a technique that can provide better sound experience. DSP can be used to mitigate echo, unequal call levels, anti-startle from sudden increases in amplitude, and acoustic shock from prolonged exposure to high amplitude - used in the FreeMate DW770 wireless

Earloop

A headset wearing style where a loop is used to secure the headset to the users ear.

Echo

Interference experienced in the background of a conversation over a device that sounds like an actual echo.

Ergonomics

The science of "Human Engineering". How a product can allow a user to function in a way that will have less wear on their body. For instance, telephone headsets make good ergonomic sense, due to less twisting of the spine and neck.

Handset

The device which the user picks up when answering calls. This unit is held to the ear.

Amplifier

Allows better sound control over the volume of sound in the headset device.

Artifacts

Any bits that get dropped during signal transmission that may cause pops and ticks in the resulting sound.

Binaural

Describes a headset that will cover both ears. See also Monaural.

Bluetooth

Is a wireless communication language that allows devices to talk to one another via a wireless connection. For example, in the case of headsets, a Bluetooth Headset can connect with a Bluetooth enabled cell phone so the user can talk without using wires.

Convertible

A headset that can switch between Monaural and Over The Ear.

Corded

A device which requires wires to connect and operate.

DECT

DECT stands for “Digitally Enhanced Cordless Telephony”, which is a type of wireless technology used in certain FreeMate, Plantronics and Jabra headsets. It is designed not to interfere with other electronic devices around it, and to provide better signal security.

Headset

The piece of equipment used to transmit sound to your ear and/or outgoing voice. A headset is the equipment that is mounted on the users head.

Lifter

The device which lifts the handset off a desk phone, which allows a wireless pick up of the phone.

Monaural

A headset that will cover only one ear, making it easier to talk and collaborate while on the phone. See also Binaural.

Noise Cancelling (NC) Noise Cancelling is the ability of the device to reduce background noise for a headset user. This will allow the headset user to be heard more clearly as background noise is reduced. This feature is especially useful in noisy environments.

Over The Ear A headset that can be mounted only on the ear. Over The Head Describes a fitting of the headset where a band will sit "over the head" and hold the headset in place for the user..

Pairing

Pairing refers to establishing a wireless connection between a headset and a phone. It is often used to describe the initial set up between a Bluetooth headset and phone.

Quick Disconnect (QD)

This is the flat connector on the end of a QD headset cord. It connects either to an amplifier cord or a direct connect cord. A QD connector allows the user to walk away from their phone while still wearing the headset, and then get right back to work when returning.

Roaming Range

The distance that the wireless headset will work when separated from the base unit.

Smart Cord

A Smart Cord is a cord used by FreeMate headset products that will allow most of its headset line to connect direct to a phone without the need for an amplifier.

USB

Universal Serial Bus - An external peripheral interface standard for communication between a computer and external peripherals over an inexpensive cable using bi-serial transmission.

Voice Tube

A speaking tube or voicepipe is a device based around two cones connected by an air pipe through which speech can be transmitted.

VoIP

Voice Over Internet Protocol - Voice over Internet Protocol, also called VoIP, IP Telephony, Internet telephony, Broadband telephony, Broadband Phone and Voice over Broadband is the routing of voice conversations over the Internet or through any other IP-based network.

Wideband

This describes the full range of natural speech including those areas of the spectrum contributing to greater intelligibility.

Wired

Describes a device which requires wires to connect and operate.

Wireless

Describes a device which does not require wires to operate