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Pitch scaling is the opposite: the process of changing the pitch without affecting the speed. Pitch shift is pitch scaling implemented in an effects unit and intended for live performance. Pitch control is a simpler process which affects pitch and speed simultaneously by slowing down or speeding up a recording.
When speeding up or slowing down a record on a turntable, the pitch and tempo of a track are linked: spinning a disc 10% faster makes both pitch and tempo 10% higher. Software processing to change the pitch without changing the tempo is called pitch-shifting.
The term "modulation" invokes the analogous and more familiar term in analyses of tonal harmony, wherein a pitch or pitch interval serves as a bridge between two keys. In both terms, the pivoting value functions differently before and after the change, but sounds the same, and acts as an audible common element between them.
The Eltro information rate changer was an analog recording tool for changing pitch without changing speed and vice versa. Patents for the device date from the 1920s. [1] The Eltro was the first machine capable of changing audio pitch (frequency) and speed (time) independently of each other.
Software designed to slow down the tempo of music without changing the pitch of the music can be very helpful for recognizing pitches, melodies, chords, rhythms and lyrics when transcribing music. However, unlike the slow-down effect of a record player, the pitch and original octave of the notes will stay the same, and not descend in pitch.
With the possibility to change it to +/− 16% and some other values. By changing the pitch the DJ can alter the BPM of a record within this limited range. This is a key component for beatmatching, enabling the DJ to get two records to play at the same BPM thereby synchronising the beat for the dancers.
Older digital processors could often shift pitch only in post-production, whereas many modern devices using computer processing technology can change pitch values virtually in real time. [ 4 ] Pitch correction is a form of pitch shifting and is found in software such as Auto-Tune and Melodyne to correct intonation inaccuracies in a recording or ...
Alignment of beats in the beatmatching process. Beatmatching or pitch cue is a disc jockey technique of pitch shifting or time stretching an upcoming track to match its tempo to that of the currently playing track, and to adjust them such that the beats (and, usually, the bars) are synchronized—e.g. the kicks and snares in two house records hit at the same time when both records are played ...