Common · History
Sub-bass
Deep, low-register pitches
Sub-bass sounds are the deep, low-register pitches below approximately 70 Hz (C♯2 in scientific pitch notation) and extending downward to include the lowest frequency humans can hear, approximately 20 Hz (E0). In this range, human hearing is less sensitive, so these notes tend to be felt more than heard.
From Wikipedia
Sub-bass sounds are the deep, low-register pitches below approximately 70 Hz (C♯2 in scientific pitch notation) and extending downward to include the lowest frequency humans can hear, approximately 20 Hz (E0). In this range, human hearing is less sensitive, so these notes tend to be felt more than heard. The low E-string on a bass guitar is usually tuned to 41.2 Hz, while the lowest note on a standard piano is A at 27.5 Hz. Sound reinforcement systems and PA systems often use one or more subwoofer loudspeakers to amplify sounds in the sub-bass range. Sounds below sub-bass are infrasound.
Text: Wikipédia, CC BY-SA 4.0. · Image: The Library of Congress (Public domain) ·
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Vibrations with frequencies lower than 20 hertz
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Minimum sound level that an average individual can hear
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Low-frequency oscillation
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sub voce
Under the word or heading that has been specified
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Ultra low frequency
The 300–3000 Hz range of the electromagnetic spectrum