Electronic tuner

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

In music, an electronic tuner is a device that detects and displays the pitch of musical notes played on a musical instrument. "Pitch" is the perceived fundamental frequency of a musical note, which is typically measured in hertz.

Excerpt from the Wikipedia article “Electronic tuner”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Christoph Lange, CC BY 2.0, via Wikimedia Commons.