Audio frequency

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Audio frequency

An audio frequency (abbreviation: AF), or audible frequency is characterized as a periodic vibration whose frequency

Frequency

Frequency is the number of occurrences of a repeating event per unit time. It is also referred to as temporal frequency.The period is the duration of one cycle in a repeating event, so the period is the reciprocal of the frequency....
is audible to the average human. While the range of frequencies that any individual can hear is largely related to environmental factors, the generally accepted standard range of audible frequencies is 20 to 20,000 hertz

Hertz

The hertz is a measure of frequency per unit of time, or the number of list of cycles per second. It is the SI base unit of frequency in the International System of Units , and is used worldwide in both general-purpose and scientific contexts....
. Frequencies below 20 Hz can usually be felt rather than heard, assuming the amplitude

Amplitude

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Encyclopedia

An audio frequency (abbreviation: AF), or audible frequency is characterized as a periodic vibration whose frequency

Frequency

Hertz

Amplitude

Amplitude is the magnitude of change in the oscillating variable, with each oscillation, within an oscillating system. For instance, sound waves are oscillations in atmospheric pressure and their amplitudes are proportional to the change in pressure during one oscillation....
of the vibration is high enough. Frequencies above 20,000 Hz can sometimes be sensed by young people, but high frequencies are the first to be affected by hearing loss due to age and/or prolonged exposure to very loud noises.

Frequencies and descriptions

Frequency (Hz)	Octave	Description
16 to 32	1st	The human threshold of feeling, and the lowest pedal notes of a pipe organ.
32 to 512	2nd to 5th	Rhythm frequencies, where the lower and upper bass notes lie.
512 to 2048	6th to 7th	Defines human speech intelligibility, gives a horn-like or tinny quality to sound.
2048 to 8192	8th to 9th	Gives presence to speech, where labial and fricative sounds lie.
8192 to 16384	10th	Brilliance, the sounds of bells and the ringing of cymbals. In speech, the sound of the letter "S" (8000-11000 Hz)

MIDI Note	Frequency (Hz)	Description	Sound File
C-2	4.09	Lowest note for Gregg Bailey's 64' PVC subcontrabass clarinet Clarinet The clarinet is a musical instrument in the woodwind family. The name derives from adding the suffix -et meaning little to the Italian word clarino meaning a particular type of trumpet, as the first clarinets had a strident tone similar to that of a trumpet....	N/A (inaudible)
C-1	8.18	Lowest organ Organ (music) The organ is a keyboard instrument of one or more divisions, each played with its own keyboard played either Manual or Pedal clavier. The organ is one of the oldest musical instruments in the European classical music.... note	N/A (inaudible)
C0	16.35	Lowest note for tuba, large pipe organs, Bösendorfer Bösendorfer B?sendorfer is an Austrian piano manufacturer, now a wholly owned subsidiary of Yamaha. B?sendorfer pianos are noted for their dark, full-bodied sound compared with other top models.... Imperial Grand Piano
C1	32.70	Lowest C on a standard 88-key piano Piano The piano is a musical instrument played by means of a keyboard instrument. Widely used in Western music for solo performance, ensemble use, chamber music, and accompaniment, the piano is also very popular as an aid to musical composition and rehearsal.... .
C2	65.41	Lowest note for cello Cello The violoncello is a bowed string instrument. A person who plays a cello is called a cellist. The cello is used as a solo instrument, in chamber music, and as a member of the string section of an orchestra....
C3	130.81	Lowest note for viola Viola The viola is a bowed string instrument. It is the middle voice of the violin family, between the violin and the cello.The casual observer may mistake the viola for the violin because of their similarity in size, closeness in pitch range , and nearly identical playing position.... , mandola Mandola The mandola or tenor mandola is a fretted string instrument musical instrument. The mandola has four double courses for a total of eight strings....
C4	261.63	Middle C Middle C C or Do is the first note of the fixed-Do solf?ge.In Western music, the expression "Middle C" refers to the musical note "C" located exactly between the two staff of the grand staff and near the top and bottom, respectively, of the bass voice and soprano voices....
C5	523.25	Lowest note for a piccolo Piccolo The piccolo is a small flute. The piccolo has the same fingerings as its larger component, the flute, but the sound it produces is an octave higher than written.... .
C6	1046.50	Approximately the highest note reproducible by the average female human voice Human voice The human voice consists of sound Voice production by a human being using the vocal folds for Speech communication, singing, Laughter, crying, screaming, etc.... .
C7	2093	Highest note for a flute Flute The flute is a musical instrument of the woodwind family. Unlike other woodwind instruments, a flute is a reedless wind instrument that produces its sound from the flow of air against an edge.... .
C8	4186	Highest note on a standard 88-key piano.
C9	8372
C10	16744	Approximately the tone that a typical CRT CRT CRT may refer to:In computing:* Transport_Layer_Security, in computing* The C runtime library , in programming* The C++ Curiously recurring template pattern, in programming.... television Television Television is a widely used telecommunication mass-media for transmitting and receiving moving , either monochrome or color, usually accompanied by sound.... emits while running.

Audio frequency

Frequencies and descriptions

See also

External links