960/853: Difference between revisions
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{{Novelty}} | |||
{{Infobox Interval | {{Infobox Interval | ||
| Name = EAS Attention Tone, EAS major second | | Name = EAS Attention Tone, EAS major second | ||
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'''960/853''' is an interval extremely close to the Pythagorean major second [[9/8]], differing by the [[Unnoticeable comma|unnoticeable]] [[superparticular]] comma of [[2560/2559]]. | '''960/853''' is an interval extremely close to the Pythagorean major second [[9/8]], differing by the [[Unnoticeable comma|unnoticeable]] [[superparticular]] comma of [[2560/2559]]. | ||
Sine tones with frequencies of | Sine tones with frequencies of 960 Hz and 853 Hz, sounded together, comprise the "Attention Tone" used by the U.S {{w|Emergency Alert System #EAS header|Emergency Alert System}} over public broadcasting. Using these exact tones over broadcast media is {{w|Emergency Alert System #Tone usage outside of alerts|illegal in the United States}}, in order to protect the integrity of the system. | ||
[[Category:Sonifications]] | |||
Latest revision as of 18:03, 11 January 2024
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This page presents a novelty topic.
It may contain ideas which are less likely to find practical applications in music, or numbers or structures that are arbitrary or exceedingly small, large, or complex. Novelty topics are often developed by a single person or a small group. As such, this page may also contain idiosyncratic terms, notation, or conceptual frameworks. |
| Interval information |
EAS major second
960/853 is an interval extremely close to the Pythagorean major second 9/8, differing by the unnoticeable superparticular comma of 2560/2559.
Sine tones with frequencies of 960 Hz and 853 Hz, sounded together, comprise the "Attention Tone" used by the U.S Emergency Alert System over public broadcasting. Using these exact tones over broadcast media is illegal in the United States, in order to protect the integrity of the system.