echo is delayed

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• echo — [ek′ō] n. pl. echoes [ME ecco < L echo < Gr ēchō < IE base * (s)waĝh , var. of * wag , to cry out > L vagire, OE swogan, to sound, roar] 1. a) the repetition of a sound by reflection of sound waves from a surface b) a sound so… …   English World dictionary

• Echo cancellation — The term echo cancellation is used in telephony to describe the process of removing echo from a voice communication in order to improve voice quality on a telephone call. In addition to improving subjective quality, this process increases the… …   Wikipedia

• Echo (Marvel Comics) — For other uses of echo in comics, see Echo (comics). Echo Echo. Art by Joe Quesada and David Mack. Publication information …   Wikipedia

• echo — 01. We shouted our names in the canyon, and listened to the [echo]. 02. The children shouted, and then listened for their [echoes] to come back from the hills. 03. His voiced [echoed] off the walls of the empty room. 04. The hall [echoed] with… …   Grammatical examples in English

• echo box — An apparatus designed to test and calibrate a radar set. The transmitted pulse is fed into the echo box instead of the radar antenna. The echo box then produces a delayed return pulse, the intensity of which gradually falls at a certain rate.… …   Aviation dictionary

• delayed feedback — /dəleɪd ˈfidbæk/ (say duhlayd feedbak) noun the return of part of the output of an electronic system to its input with a deliberate time delay; may be used for echo effects in music. See delayed auditory feedback …  

• echo cancellation —    A mechanism used to control echoes on communications links such as satellite links.    The modem checks for a delayed duplication of the original signal and adds a reversed version of this transmission to the channel on which it receives… …   Dictionary of networking

• Reverse echo — or reverb, also known as backwards echo, is a slightly unusual sound effect created as the result of recording an echo or delayed signal of an audio recording whilst being played backwards. The original recording is then played forwards… …   Wikipedia

• Long delayed echo — Long delayed echos (LDEs) are radio echos which return to the sender several seconds after a radio transmission has occurred. Delays of longer than 2.7 seconds are considered LDEs. [http://www.arrl.org/news/features/2003/10/31/1/ ARRL, Radio… …   Wikipedia

• Delay (audio effect) — Various kind of delay effect units Delay is an audio effect which records an input signal to an audio storage medium, and then plays it back after a period of time.[1] The delayed signal may either be played back multiple times, or played back… …   Wikipedia

• Imagerie par résonance magnétique — Pour les articles homonymes, voir IRM et MRI. L imagerie par résonance magnétique (IRM) est une technique d imagerie médicale permettant d obtenir des vues 2D ou 3D de l intérieur du corps de façon non invasive avec une résolution relativement… …   Wikipédia en Français