![]() ![]() ![]() The frequency of a pitch is derived by multiplying (ascending) or dividing (descending) the frequency of the previous pitch by the twelfth root of two (approximately 1.059463). A jump from the lowest semitone to the highest semitone in one octave doubles the frequency (for example, the fifth A is 440 Hz and the sixth A is 880 Hz). Every octave is made of twelve steps called semitones. ![]() This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4), tuned to 440 Hz (referred to as A440). JSTOR ( December 2019) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed.įind sources: "Piano key frequencies" – news Please help improve this article by adding citations to reliable sources. Graphic-ccli-trademark.svg CCLI Trademark Logo graphic-ccli-trademark.svg CCLI Trademark Logo graphic-songselect-trademark.svg CCLI SongSelect Logo icon-megaphone-circle-line.svg Icon Megaphone icon-megaphone-circle-line-white.svg Icon Megaphone icon-press-kit Press Kit Icon icon-fact-sheet Fact Sheet Icon icon-megaphone-circle-line-mobile.svg Icon Megaphone icon-arrow-down-line.svg Icon Arrow Down Line icon-arrow-down-line.svg Icon Arrow Down Line icon-arrow-right-line.svg Icon Arrow Right Line icon-arrow-right-line-gray.svg Icon Arrow Right Line Gray icon-arrow-right-line-white.svg Icon Arrow Right Line White icon-arrow-right-line-teal.svg Icon Arrow Right Line Teal icon-close-filled.svg Icon Close icon-close-white.svg Icon Close icon-close-blue.svg Icon Close icon-earth-filled.svg Icon Earth icon-earth-line.svg Icon Earth Outline icon-finder-filled.svg Icon Finder Filled icon-finder-filled.svg Icon Finder Filled icon-headset-line.svg Icon Headset Line icon-headset-line.svg Icon Headset Line icon-letter-and-envelope-line.svg Icon Letter and Envelope Line icon-movie-download-line.svg Icon Movie Download Line icon-music-note-circle-line.svg Icon Music Note Circle Line icon-new-window-line.svg Icon New Window Line icon-new-window-line-blue.svg Icon New Window Line icon-page-ribbon-line.svg Icon Page Ribbon Line icon-person-filled.svg Icon Person Filled icon-person-filled.svg Icon Person Filled icon-play-circle.svg Icon Play Circle icon-recent-articles-line.svg Icon Article Line icon-stop-circle.svg Icon Stop Circle icon-play-pressed-circle.svg Icon Play Pressed Circle icon-question-mark-circle.svg Icon Question Mark Circle icon-quotation-end.svg Icon Quotation End icon-quotation-start.svg Icon Quotation Start icon-quotation-end.svg Icon Quotation End icon-quotation-start.svg Icon Quotation Start icon-sheet-music-line.svg Icon Sheet Music Line icon-shopping-cart-line.svg Icon Shopping Cart Line icon-social-media-facebook-circle.svg Icon Social Media Facebook Circle icon-social-media-google-plus-circle.svg Icon Social Media Google Plus Circle icon-social-media-instagram-circle.svg Icon Social Media Instagram Circle icon-social-media-linkedin-circle.svg Icon Social Media LinkedIn Circle icon-social-media-pinterest-circle.svg Icon Social Media Pinterest Circle icon-social-media-twitter-circle.svg Icon Social Media Twitter Circle icon-social-media-youtube-circle.svg Icon Social Media YouTube Circle icon-social-media-twitter-filled.svg Icon Social Media Twitter Filled icon-stop-button-filled.svg Icon Stop Button Filled icon-translation-filled.svg Icon Translation Filled icon-regional.svg Icon Regional Map Pin icon-globe icon-chat.svg Icon Chat icon-clock-outline.svg Icon Clock Outline icon-headphones-outline.svg Icon Headphones Outline icon-pin-outline.svg Icon Pin Outline icon-payment-check.svg Icon Payment Check icon-article-line-mobile.svg Article Icon icon-music-note-circle-line-mobile.svg Music Note Icon icon-sheet-music-line-mobile.svg Sheet Music Icon icon-nav-mobile-more.svg Navigation More Icon icon-nav-mobile-more.svg Navigation More Icon icon-nav-mobile-song-select.svg Navigation SongSelect Icon icon-nav-mobile-services.svg Navigation Services Icon icon-nav-mobile-support.This article needs additional citations for verification. ![]()
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