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Model: Auto
Tune
Pitch Correction for Voice or Solo
Instrument
Hailed as a
"Holy Grail of recording" by Recording Magazine, Auto-Tune is the
worldwide standard in professional pitch correction. It corrects
intonation problems in vocals or solo instruments, in real time,
without distortion or artifacts, while preserving all of the
expressive nuance of the original performance. Auto-Tune offers
audio quality so pristine that the only difference between what
goes in and what comes out is the intonation.
The precision by which Auto-Tune detects pitch is extraordinary. At
a frequency of 400 Hz and a sample rate of 44100, the Auto-Tune DSP
algorithm computes the pitch to an accuracy of .0001 samples per
cycle, or .0004 Hz. At this resolution, the very question "What is
pitch?" becomes relevant. That is, as the pitch of typical
performances continuously change, the amount of variation in pitch,
even over the time of a few cycles, changes greatly in comparison
to the accuracy by which Auto-Tune computes pitch.
The pitch computed by Auto-Tune is a mathematical estimate of the
cycle period repetition rate over the last two (or sometimes the
last four) cycles.
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The Automatic Mode
instantaneously detects the pitch of the input, identifies the
closest pitch in a user specified scale and corrects the input
pitch to match the scale pitch. Major, minor, chromatic and 26
historical and microtonal scales provide unprecedented control of
the output tonality.
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Select any key and
scale - minor, major, chromatic and 26 historical and microtonal
scales provide unprecedented control of the output
tonality.
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Specific Scale notes
can be removed, allowing a wider range of pitch correction for
neighboring notes.
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Individual Scale notes
may be "bypassed." When the input pitch is near that note, the
input is passed through with no correction.
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Having trouble hitting
a single note? Bypass all the rest of the Scale notes, and
Auto-Tune will only apply correction to the problem
note.
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The Scale can be
de-tuned, allowing pitch correction to any desired pitch
center.
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The variable Retune
rate allows matching correction speed to any style of the
performance. A fast Retune rate is appropriate for performance with
rapidly-changing pitches or where substantial correction is
required. A slower rate will preserve expressive gestures while
accurately adjusting the pitch center to be in tune.
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The Vibrato Section
lets you add a vibrato to a performance with variable depth, rate
and onset delay.
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The Sensitivity Control
optimizes Auto-Tune's pitch-detection performance for a wide range
of signal quality.
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