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The line featured five different pairs of headphones, [5] which were released to the public later in 2011. By that time, the company had become known as Soul Electronics. [8] In 2012, Soul Electronics partnered with sprinter, Usain Bolt, on the design of a new line of headphones and earbuds designed to be used while running or exercising. [9]
Simplified graphical depiction of active noise reduction. To cancel the lower-frequency portions of the noise, noise-cancelling headphones use active noise control or ANC.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 cancelling is best suited for low frequencies. For higher frequencies, the spacing requirements for free space and zone of silence techniques become prohibitive. In acoustic cavity and duct-based systems, the number of nodes grows rapidly with increasing frequency, which quickly makes active noise control techniques unmanageable.
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.
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RHA has won industry awards for their products. In 2015, the RHA T10i earbuds won a Red Dot award for product design, [19] furthermore in 2019 their CL2 Planar wireless earbuds won a Red Dot award for its 'striking design' and 'technical equipment'.
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