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The "QuietComfort 20" (QC20) and QC20i in-ear headphones were released in 2015 and are the company's first in-ear noise cancelling headphones. [19] It received a 2014 Red Dot Design Award. [20] Also, it received a CNET 's Editors' Choice Award of 4.5/5 points for its active noise-cancelling. [21]
True wireless may refer to: The True Wireless, a 1919 article by Nikola Tesla; see World Wireless System. Wireless wide area network. True wireless headphones. Category: Disambiguation pages.
Headphones are also known as earphones [1] or, colloquially, cans. [2] Circumaural (around the ear) and supra-aural (over the ear) headphones use a band over the top of the head to hold the drivers in place. Another type, known as earbuds or earpieces, [1] consists of individual units that plug into the user's ear canal.
Earbuds may refer to: Cotton swab, a small wad of cotton wrapped around one or both ends of a short plastic rod; Earphone(s), This page was last edited on 23 ...
Thomas 2001 Organ (c.1976) The Thomas Organ Company is an American manufacturer of electronic keyboards and a one-time holder of the manufacturing rights to the Moog synthesizer. The company was a force behind early electronic organs for the home. It went out of business in 1979 but reopened in 1996.
Manual (music) The console of the Great Organ at the Church of St Sulpice built by Aristide Cavaillé-Coll in 1862. An electronic organ with three manuals. The two lower manuals are each five octaves in range, while the uppermost manual spans two octaves. The word " manual " is used instead of the word "keyboard" when referring to any hand ...
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Total harmonic distortion. The total harmonic distortion ( THD or THDi) is a measurement of the harmonic distortion present in a signal and is defined as the ratio of the sum of the powers of all harmonic components to the power of the fundamental frequency. Distortion factor, a closely related term, is sometimes used as a synonym.