Elmer’s Echo

Echo

In audio signal processing and acoustics, an echo is a reflection of sound that arrives at the listener with a delay after the direct sound. The delay is directly proportional to the distance of the reflecting surface from the source and the listener. Typical examples are the echo produced by the bottom of a well, a building, or the walls of enclosed and empty rooms.

Elmer

Elmer is a name of Germanic British origin. The given name originated as a surname, a medieval variant of the given name Aylmer, derived from Old English æþel (noble) and mær (famous). Originally, a job like a smith, Elmers were wood workers or carpenters. By providing furniture for castles, and during wartime, bow, arrows and catapult/trebuchet making. It was adopted as a given name in the United States, "in honor of the popularity of the brothers Ebenezer and Jonathan Elmer, leading supporters of the American Revolution". The name has declined in popularity since the first decades of the 20th century and fell out of the top 1,000 names used for American boys in 2009. However, it continues in use for newborn boys in the United States, where 167 boys born there in 2022 received the name. The name is common in the United States and Canada. Elmar, a variant, was among the 10 most popular names for newborn boys in Iceland in 2021.

echo

Noun

1. Alternative letter-case form of Echo of the ICAO/NATO radiotelephony alphabet.

Noun

1. A reflected sound that is heard again by its initial observer.
2. An utterance repeating what has just been said.