piano roll

noun

A perforated roll of paper containing encoded music to be played by a pianola or player piano.

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Meanings

nounpiano roll (plural piano rolls)

plural piano rolls

  1. A perforated roll of paper containing encoded music to be played by a pianola or player piano.
  2. A representation of encoded music on two axes, pitch heights and time. MIDI Data is often represented as a piano roll.

Translations

German Notenrolle
  • NotenrolleA perforated roll of paper containing encoded music to be played by a pianola or player piano
Japanese ピアノロール
  • ピアノロール (pianorōru)A perforated roll of paper containing encoded music to be played by a pianola or player piano
Spanish rollo de piano
  • rollo de pianoA perforated roll of paper containing encoded music to be played by a pianola or player piano
Cite this entry
APA

piano roll. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/piano%20roll

MLA

“piano roll.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/piano%20roll. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “piano roll,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/piano%20roll.

Source: piano roll on Wiktionary, CC BY-SA 4.0.