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Removing one IEM negates the improvement in signal-to-noise ratio from isolation and the binaural summation effect which causes an increase in perceived loudness from using two sound sources. [clarification needed] Therefore, the performer will likely turn up the IEM in the other ear to improve the signal-to-noise ratio. Also, the ear without ...
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in-the-ear-- these have a small speaker contained in an earbud that fits inside the outer portion of the ear canal. on-the-ear-- these have a flat speaker (often cushioned) that sits on the external ear. around-the-ear-- these have a larger, cushioned earpad that fits around the external ear and sits against the head, to exclude more external ...
Ultimate Ears is an American custom in-ear monitor (IEM), speaker, and earphone manufacturer based in Irvine and Newark, California, United States. It was founded by Mindy and Jerry Harvey in 1995, who created a new market for custom IEMs now used by some of the world's top musicians.
A digital current loop uses the absence of current for high (space or break), and the presence of current in the loop for low (mark). [1] This is done to ensure that on normal conditions there is always current flowing and in the event of a line being cut the flow stops indefinitely, immediately raising the alarm of the event usually as the heavy noise of the teleprinter not being synchronized ...
Using both ear muffs (whether passive or active) and earplugs simultaneously results in maximum protection, but the efficacy of such combined protection relative to preventing permanent ear damage is inconclusive, with evidence indicating that a combined noise reduction ratio (NRR) of only 36 dB (C-weighted) is the maximum possible using ear ...
CAD—Computer-aided design; CAE—Computer-aided engineering; CAID—Computer-aided industrial design; CAI—Computer-aided instruction; CAM—Computer-aided manufacturing; CAP—Consistency availability partition tolerance (theorem) CAPTCHA—Completely automated public Turing test to tell computers and humans apart; CAT—Computer-aided ...