an audible tone
101Chord (music) — Instruments and voices playing and singing different notes create chords. This article describes pitch simultaneity and harmony in music. For other meanings of the word, see Chord. A chord in music is any harmonic set of two–three or more notes… …
102ITU-R 468 noise weighting — The ITU R 468 weighting curve (originally defined in CCIR recommendation 468) is widely used when measuring noise in audio systems, especially in the UK, Europe, and former countries of the British Empire such as Australia and South Africa. It is …
103tuning and temperament — In music, the adjustment of one sound source, such as a voice or string, to produce a desired pitch in relation to a given pitch, and the modification of that tuning to lessen dissonance. Tuning assures a good sound for a given pair of tones;… …
104Sign — Any abnormality that indicates a disease process, such as a change in appearance, sensation, or function, that is observed by a physician when evaluating a patient. * * * 1. Any abnormality indicative of disease, discoverable on examination of… …
105Message-waiting indicator — A message waiting indicator (MWI) in telephony, is a Telcordia Technologies (formerly Bellcore) term for an FSK based telephone calling feature that illuminates an LED on select telephones to notify a telephone user of waiting voicemail messages… …
106Harmonic series (music) — Harmonic series of a string. Pitched musical instruments are often based on an approximate harmonic oscillator such as a string or a column of air, which oscillates at numerous frequencies simultaneously. At these resonant frequencies, waves… …
107Effects unit — A pedalboard allows a performer to create a ready to use chain of multiple pedals. Signal chain order: tuner, compressor, octave generator, wah wah pedal, overdrive, distortion, fuzz, EQ and tremolo. Effects units are …
108Equal temperament — is a musical temperament, or a system of tuning in which every pair of adjacent notes has an identical frequency ratio. In equal temperament tunings an interval mdash; usually the octave mdash; is divided into a series of equal steps (equal… …
109International Phonetic Alphabet — Not to be confused with NATO phonetic alphabet. IPA redirects here. For other uses, see IPA (disambiguation). For usage of IPA in Wikipedia, see Wikipedia:IPA or Wikipedia:IPA/Introduction International Phonetic Alphabet …
110English literature — Introduction the body of written works produced in the English language by inhabitants of the British Isles (including Ireland) from the 7th century to the present day. The major literatures written in English outside the British Isles are… …
