pre-echo

English

Etymology

From pre- +‎ echo.

Pronunciation

• (UK) IPA^(key): /pɹiːˈɛkəʊ/

Noun

pre-echo (countable and uncountable, plural pre-echos or pre-echoes)

1. (countable) An early sign or indication of something; a foreshadowing.
   • 2009, Diarmaid MacCulloch, A History of Christianity, Penguin, published 2010, page 140:

     From the earliest days Christians had searched the Tanakh in their anxiety to find pre-echoes of their own passionate convictions about the God-Man Jesus Christ.

2. (signal processing) A digital audio compression artifact where a (typically percussive) sound is heard before it should occur.

   Synonym: forward echo