Noun

(en noun)

A low-pitched beeping sound.

* 1989 , Keith Peterson, The Trapdoor

When something important happened, a polite sort of boop went off, and up in the right-hand corner of your screen, above the copy, a word or two appeared: Urgent, Bulletin, Late Stocks, whatever.

* 2008 , Russell Dean Vines, Composing Digital Music For Dummies (page 281)

Originally, computers' attempts at making music were recognizable by their beeps and boops and weird swoops. And to suggest that the rhythms laid down by a electronic drummer were anything close to swingin' was humorous.

* {{quote-news, year=2008, date=January 28, author=Jon Pareles, Nate Chinen, Kelefa Sanneh, Ben Ratliff, And Ben Allison, title=New CDs, work=New York Times citation

, passage=Guitars riffle precise chords and lilt through arpeggios, keyboards go boop , and every flick of a drumbeat is in place. }}

* {{quote-news, year=2008, date=April 20, author=Jon Pareles, title=Rasps, Boops, Snark and Sartre, work=New York Times citation

, passage=Santogold, from Brooklyn, may be mocking scene pretensions, defending the creative impulse or both in her single, “L.E.S. Artistes,” with its drumstick-clicking beat, electro boops and dance-rock chorus. }}