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  2. Pitch correction - Wikipedia

    en.wikipedia.org/wiki/Pitch_correction

    Pitch correction is an electronic effects unit or audio software that changes the intonation (highness or lowness in pitch) of an audio signal so that all pitches will be notes from the equally tempered system (i.e., like the pitches on a piano).

  3. Equal temperament - Wikipedia

    en.wikipedia.org/wiki/Equal_temperament

    12 tone equal temperament chromatic scale on C, one full octave ascending, notated only with sharps. Play ascending and descending ⓘ. An equal temperament is a musical temperament or tuning system that approximates just intervals by dividing an octave (or other interval) into steps such that the ratio of the frequencies of any adjacent pair of notes is the same.

  4. 12 equal temperament - Wikipedia

    en.wikipedia.org/wiki/12_equal_temperament

    12-tone equal temperament chromatic scale on C, one full octave ascending, notated only with sharps. Play ascending and descending ⓘ. 12 equal temperament (12-ET) [a] is the musical system that divides the octave into 12 parts, all of which are equally tempered (equally spaced) on a logarithmic scale, with a ratio equal to the 12th root of 2 (≈ 1.05946).

  5. Digital room correction - Wikipedia

    en.wikipedia.org/wiki/Digital_room_correction

    Digital room correction may involve minimum phase algorithms, to maintain wavefront coherence over the intended frequency range.. The use of analog filters, such as equalizers, to normalize the frequency response of a playback system has a long history; however, analog filters are very limited in their ability to correct the distortion found in many rooms.

  6. Equalization (audio) - Wikipedia

    en.wikipedia.org/wiki/Equalization_(audio)

    Equalization, or simply EQ, in sound recording and reproduction is the process of adjusting the volume of different frequency bands within an audio signal. The circuit or equipment used to achieve this is called an equalizer. [1] [2] Most hi-fi equipment uses relatively simple filters to make bass and treble adjustments. Graphic and parametric ...

  7. Musical tuning - Wikipedia

    en.wikipedia.org/wiki/Musical_tuning

    The pitches of open strings on a violin. Play ⓘ. In music, the term open string refers to the fundamental note of the unstopped, full string.. The strings of a guitar are normally tuned to fourths (excepting the G and B strings in standard tuning, which are tuned to a third), as are the strings of the bass guitar and double bass.

  8. Just intonation - Wikipedia

    en.wikipedia.org/wiki/Just_intonation

    ⁠ 2 / 3 ⁠ × ⁠ 5 / 4 ⁠ = ⁠ 10 / 12 ⁠ = ⁠ 5 / 6 ⁠. Since this is below C, one needs to move up by an octave to end up within the desired range of ratios (from 1:1 to 2:1): ⁠ 5 / 6 ⁠ × ⁠ 2 / 1 ⁠ = ⁠ 10 / 6 ⁠ = ⁠ 5 / 3 ⁠. A 12 tone scale is obtained by removing one note for each couple of enharmonic notes.

  9. Piano tuning - Wikipedia

    en.wikipedia.org/wiki/Piano_tuning

    Piano tuning is the process of adjusting the tension of the strings of an acoustic piano so that the musical intervals between strings are in tune. The meaning of the term 'in tune', in the context of piano tuning, is not simply a particular fixed set of pitches. Fine piano tuning requires an assessment of the vibration interaction among notes ...