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Plantronics entered the multimedia headset market in 1999 with the release of the HS1 and the DSP-500 headsets, the latter featuring a built-in digital signal processing card. In 2002, Plantronics and Microsoft created the headset for the Xbox Communicator, the first headset to enable voice communication with Xbox Live. [13]
Most 2.4 GHz Wireless Headsets come in two units, a wireless headset and a wireless base-station, which connects to your original telephone unit via the handset jack. The wireless headset communicates with the base-station via 2.4 GHz RF, and the voice signals are sent or received via the base unit to the telephone unit.
Simplified graphical depiction of active noise reduction. To cancel the lower-frequency portions of the noise, noise-cancelling headphones use active noise control.A microphone captures the targeted ambient sounds, and a small amplifier generates sound waves that are exactly out of phase with the undesired sounds.
Active Noise Canceling (ANC): The hot headphone feature of the 21st century is active noise canceling, otherwise known as ANC. Flip a switch (or press a button) and the earpieces magically reduce ...
Headphones with D-Profile design, Bluetooth 2017 KPH30i Pro35/KTXPro1 inspired 2017 PortaPro Wireless In-line mic, onboard controls, wireless 2018 Noise Canceling QZ Buds Monitor mode switch deactivates noise cancelling 2018 CS300 USB Flexible mic, electret mic 2018 Utility Series KPH40, KEB90, and PortPro with detachable cables 2021
After successful sales for the DSP-500 and the Xbox Communicator headsets, [3] In 2004, Plantronics announced the GameCom brand with four new headsets for Xbox Live and Online PC gamers: GameCom X10 and X20 for Xbox Communicator, and GameCom 1 (analog) and GameCom Pro 1 with digital signal processing built-in sound card and connected to a PC via USB port.
The internal electronic circuitry of an active noise-canceling mic attempts to subtract noise signal from the primary microphone. The circuit may employ passive or active noise canceling techniques to filter out the noise, producing an output signal that has a lower noise floor and a higher signal-to-noise ratio .
Sound is captured from the microphone(s) furthest from the mouth (the noise signal(s)) and from the one closest to the mouth (the desired signal). The signals are processed to cancel the noise from the desired signal, producing improved voice sound quality. In some cases, noise can be controlled by employing active vibration control. This ...
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