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Phase vocoder

Index Phase vocoder

A phase vocoder is a type of vocoder which can scale both the frequency and time domains of audio signals by using phase information. [1]

9 relations: Additive synthesis, Audio time stretching and pitch scaling, Canadian Electroacoustic Community, JoAnn Kuchera-Morin, Pitch correction, Prismizer, Scrubbing (audio), Spectrogram, Vocoder.

Additive synthesis

Additive synthesis is a sound synthesis technique that creates timbre by adding sine waves together.

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Audio time stretching and pitch scaling

Time stretching is the process of changing the speed or duration of an audio signal without affecting its pitch.

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Canadian Electroacoustic Community

Founded in 1986, La Communauté électroacoustique canadienne / The Canadian Electroacoustic Community (CEC) is Canada’s national electroacoustic / computer music / sonic arts organization and as such is dedicated to promoting this progressive art form in its broadest definition: from “pure” acousmatic and computer music to soundscape and sonic art to hardware hacking and beyond.

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JoAnn Kuchera-Morin

JoAnn Kuchera-Morin (born 1951) is a professor of Media Arts & Technology and of Music.

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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).

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Prismizer

Prismizer is an audio effect using multiple different audio codecs that sounds similar to a vocoder in that it combines pitch and frequency characteristics from multiple sources (most frequently used on the human voice) but to a different, choral effect.

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Scrubbing (audio)

In digital audio editing, scrubbing is an interaction in which a user drags a cursor or playhead across a segment of a waveform to hear it.

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Spectrogram

A spectrogram is a visual representation of the spectrum of frequencies of sound or other signal as they vary with time.

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Vocoder

A vocoder (a portmanteau of voice encoder) is a category of voice codec that analyzes and synthesizes the human voice signal for audio data compression, multiplexing, voice encryption, voice transformation, etc.

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Phase Vocoder.

References

[1] https://en.wikipedia.org/wiki/Phase_vocoder

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