| Inverse | octave | |
|---|---|---|
| Name | ||
| Other names | perfect unison | |
| Abbreviation | P1 | |
| Size | ||
| Semitones | 0 | |
| Interval class | 0 | |
| Just interval | 1:1 | |
| Cents | ||
| Equal temperament | 0 | |
| Just intonation | 0 | |
In music, a unison is an interval, the ratio of 1:1 or 0 half steps and zero cents. In Music theory, the word inversion has several meanings There are inverted chords, inverted melodies, inverted intervals, and In Music, an octave ( is the the use of which is "common in most musical systems A semitone, also called a half step or a half tone, is the smallest Musical interval commonly used in Western tonal music and it is considered the In Musical set theory, an interval class (usual abbreviation ic) is the shortest distance in Pitch class space between two unordered Pitch classes In music just intonation is any Musical tuning in which the frequencies of Notes are related by Ratios of Whole numbers Any interval The cent is a logarithmic unit of measure used for musical intervals. Equal temperament is a Musical temperament, or a system of tuning in which every pair of adjacent notes has an identical Frequency ratio. In music just intonation is any Musical tuning in which the frequencies of Notes are related by Ratios of Whole numbers Any interval Music is an Art form in which the medium is Sound organized in Time. In Music theory, the term interval describes the relationship between the pitches of two Notes Intervals may be described as vertical A semitone, also called a half step or a half tone, is the smallest Musical interval commonly used in Western tonal music and it is considered the The cent is a logarithmic unit of measure used for musical intervals. Two tones in unison are considered to be the same pitch, but are still perceivable as coming from separate sources. Pitch represents the perceived Fundamental frequency of a sound The unison is considered the most consonant interval while the near unison is considered the most dissonant. A semitone, also called a half step or a half tone, is the smallest Musical interval commonly used in Western tonal music and it is considered the The unison is also the easiest interval to tune.
The unison is abbreviated as P1.
A pair of tones in unison can have different "colors" (timbres), i. In Music, timbre (ˈtæm-bər' like timber, or, from Fr timbre tɛ̃bʁ is the quality of a Musical note or sound that distinguishes different e. come from different musical instruments or human voices. A musical instrument is a device constructed or modified for the purpose of making Music. Voices with different colors have, as sound waves, different waveforms. waveformogg|right|a sine square and sawtooth wave at 440 hz]] Waveform means the shape and form of a signal such as a Wave moving in a solid liquid or gaseous These waveforms have the same fundamental frequency but differ only in the amplitudes of their higher harmonics. Frequency is a measure of the number of occurrences of a repeating event per unit Time. In Acoustics and Telecommunication, the harmonic of a Wave is a component Frequency of the signal that is an Integer
When several people sing together, as in a chorus, the simplest way for them to sing is to sing in "one voice", in unison. For the musical composition see Chorale. A choir, chorale, or chorus is a Musical ensemble of Singers If there is an instrument accompanying them, then the instrument must play the same notes being sung by the singers (in order for there to be unison). Otherwise the instrument is considered a separate "voice" and there is no unison. If there is no instrument, then the singing is said to be a cappella. A cappella (Italian or Latin "From the chapel/choir" Music is Vocal music or Singing without instrumental Accompaniment Music in which all the notes sung are in unison is called monophonic. In Music, monophony is the simplest of textures, consisting of Melody without accompanying Harmony.
From this sense can be derived another, figurative, sense: if several people do something "in unison" it means they do it simultaneously, in tandem, in lockstep. Metaphor (from the Greek: μεταφορά - metaphora, meaning "transfer" is language that directly compares seemingly unrelated subjects Tandem is a Latin Adverb meaning "at length" or "finally" Related terms are "univocal" and "unanimous".
Monophony could also conceivably include more than one voice which do not sing in unison but whose pitches move in parallel, always maintaining the same interval of an octave. In Music, an octave ( is the the use of which is "common in most musical systems A pair of notes sung one or a multiple of an octave apart are almost in unison, due to octave equivalency.
When there are two or more voices singing different notes, this is called "part singing". If they are singing notes at different pitches but with the same rhythm this is called homophony. In Music, homophony (hoʊˈmɒfəni from Greek "homófonos" where ομοιο = the same and φωνή = a sound tone is a texture in which two or more An example is a barbershop quartet or a choir singing a hymn. Barbershop Vocal harmony, as codified during the barbershop revival era (1940s-present is a style of A cappella, or unaccompanied Vocal music characterized A hymn is a type of Song, usually religious specifically written for the purpose of praise adoration or Prayer, and typically addressed to a deity/deities If each voice is singing an independent line (either the same melody at a different time, or different melodies) this is called polyphony. In Music, polyphony is a texture consisting of two or more independent Melodic voices, as opposed to music with just one voice ( Monophony
On synthesizers, the term unison is used to describe two or more oscillators that are slightly detuned in correspondence to each other, which makes the sound fatter. Oscillation is the repetitive variation typically in Time, of some measure about a central value (often a point of Equilibrium) or between two or more different states This technique is so popular that some modern virtual analog synthesisers have a special oscillator type called "super saw" or "hyper saw" that generates several detuned sawtooth waves simultaneously. An Analog Modeling Synthesizer is a Synthesizer that emulates the sounds of traditional Analog synthesizers using Digital signal processing components The sawtooth wave (or saw wave) is a kind of Non-sinusoidal waveform. This method is often used in techno and trance. Techno is a form of Electronic dance music (EDM that emerged in Detroit, Michigan, USA during the mid to late 1980s Trance is a style of Electronic dance music that developed in the 1990s
See also
External links
- Sample of synthesizer "unison lead": 8xSawtooth unison lead sound
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