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Auto Tune, d8b Plug-Ins

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Mackie Auto Tune

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.

  • 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.

  • Select any key and scale - minor, major, chromatic and 26 historical and microtonal scales provide unprecedented control of the output tonality.

  • Specific Scale notes can be removed, allowing a wider range of pitch correction for neighboring notes.

  • Individual Scale notes may be "bypassed." When the input pitch is near that note, the input is passed through with no correction.

  • 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.

  • The Scale can be de-tuned, allowing pitch correction to any desired pitch center.

  • 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.

  • The Vibrato Section lets you add a vibrato to a performance with variable depth, rate and onset delay.

  • The Sensitivity Control optimizes Auto-Tune's pitch-detection performance for a wide range of signal quality.


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