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MTOS 5.04

2011/08/08

KeroVee 1.53

Pitch Corrector/Autotune Effect.

Overview

KeroVee is a PitchCorrection plugin that works as a VST effect. You need to use KeroVee.dll with your VST compatible host application. ex) Cubase, Sonar,...

KeroVee is focused to so-called 'Autotune effect' or 'T-Pain effect', that is robotic but different from the vocoder. KeroVee can mix two independent transposed outputs of pitch-corrector and bypassed output.

Ver 1.20: because of the BugFix of 'Transpose', the transpose may be shifted when load a song that is saved by old version.

How to Install&Use

  • Just place KeroVee.dll to your plugins directry.
  • Insert KeroVee to audio track.
  • Route the MIDI signal to KeroVee if you want to use the 'TuneTo MIDI' function.

Download

KeroVee 1.53 Download (846 KB)2011/07/10
KeroVee 1.52 Download (846 KB)2011/07/10
KeroVee 1.51 Download (846 KB)2011/07/06
KeroVee 1.50 Download (846 KB)2011/07/01
KeroVee 1.27 Download (604 KB)2011/01/27
KeroVee 1.26 Download (604 KB)2010/10/24
KeroVee 1.25 Download (595 KB)2010/08/07
KeroVee 1.24 Download (595 KB)2010/07/13
KeroVee 1.23 Download (451 KB)2010/06/06
KeroVee 1.22 Download (659 KB)2010/05/17
KeroVee 1.21 Download (659 KB)2010/05/08
KeroVee 1.20 Download (659 KB)2010/05/03
KeroVee 1.12 Download (634 KB)2010/04/17
KeroVee 1.11 Download (634 KB)2010/04/04
KeroVee 1.10 Download (634 KB)2010/04/03
KeroVee 1.00 Download (643 KB)2010/03/27

HowTo Use (KeroVee 1.24)



KeroVee 1.53

Params

Scale Buttons 'C'to'B' Specify the 'Allowed' note.
Speed Tuning Speed. Maybe robotic if set to '100=MAX'.
Amount Correction amount
Calib Master tuning 430Hz to 450Hz. the default is 440Hz
TuneTo MIDI -- Enable Tuning to Midi notes.TuneTo MIDI function has two modes.
  • Mono -- MIDI notes are monophonic. Last MIDI note is effective. Octave is NOT ignored.
  • Chord -- Multiple allowable notes can be specified by MIDI notes. Octave is ignored.
Scale -- Enable Tuning to specified scales by scale buttons
  • If enabled both, the MIDI note is prior. but the scale tuning is effective after notes are OFFed.
  • You can use 'Scale' as a basic scale and tweak by MIDI partially.
  • If disabled both, the output pitch is follows to input pitch but transpose/formant change is effective.
Bypass - Level - Pan Bypassed output of source sounds.
Tone1 - Level - Pan - Transpose - Fine - Shift - Presv Pitch-corrector output.
  • Level: output level
  • Pan: output pan (Note that the audio track must be stereo)
  • Transpose: transpose output pitch
  • Fine: fine tuning of the output pitch
  • Shift: formant shift
  • Presv: formant shift mode
    • On: formant is preserved. independent to the pitch correction. formant shift is still effective in this mode.
    • Off: formant is changed depend to output pitch.
Tone2 - Level - Pan - Transpose - Fine - Shift - Presv One more Pitch-corrector output same as Tone1.
MasterVol Master volume.

History

ver 1.53 2011/08/08BugFix: not reporting exact latency value to Host.
Reduced latency for live performance.
Improved GUI performance especially when opening GUI.
ver 1.52 2011/07/10BugFix: Cannot work on SSE1 only supported CPU (AthlonXP).
BugFix: The message is not displayed properly when the SSE is not available.
ver 1.51 2011/07/06Sibilant noise processing/Pitch accuracy is improved.
BugFix: the 'Calib' paremeter is not work normally.
Scale setting menu is reflected the Scale buttons (still temporary work)
ver 1.50 2011/07/01New GUI, with the Pitch Graph.
More stable pitch and less artifacts by new PitchDetection/Shifting algo.
Less CPU load.
Added the Scale select button.
ver 1.27 2011/01/27BugFix: In some HOST (especially Audacity), some noise is generated if invoke KeroVee twice or later.
ver 1.26 2010/10/24SSE CPU check code is added. message will be displayed if cannot work.
Improved tolerability for input level-over.
Retune algo is improved, more natural correction.
'Chord mode' is added that will specify the multiple allowable note.
ver 1.25 2010/8/07Input freq range expansion is not work normally, re-fixed. Now, the soprano voice is work normally.
ver 1.24 2010/7/13Input freq range is expanded to soprano. Sound engine is a little improved. MIDI note handling logic is improved. Parameter step (ex. formant) become more granular.
ver 1.23 2010/6/06Amount parameter added. Sound engine has been improved: noise reduced / retune curve become natural.
ver 1.22 2010/5/17A little improved the sound quality (especially the pop noises).
ver 1.21 2010/5/08BugFix:May be crush if you use a host without GUI.
BugFix:In some case, sounds stop during tweaking parameters.
Improve the sounds of pitch-shifting
ver 1.20 2010/5/03Formant shift / preserv fucntion is added.
Transpose bug fixed.
ver 1.12 2010/4/17Improved CPU consumption.
ver 1.11 2010/4/04Master tuning bug fix.
'Fine' range fix to +-100cent.
pitch following speed improved.
ver 1.10 2010/4/02Improved pitch-detecton accuracy.
Independent transpose&pan is added to two outputs.
ver 1.00 2010/3/27First release.

Audio Demo (ver 1.23)


Original sound kerovee-1.mp3
Pitch Correction Demo kerovee-2.mp3
Pitch Correction with orginal+transpose mix kerovee-3.mp3

Demo Song: "30cm featuring KeroVee" 30cm.mp3
Demo Song: "30cm featuring KeroVee(formant preserved version)" 30cm-2.mp3

Formant tweak demo (Original)
Formant tweak demo (MaleToFemale)
Formant tweak demo (FemaleToMale)
Formant tweak demo (Mix)


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