User quotes

  • 09.12.2010

    The quality of "ELASTIQUE PITCH" is amazing. It´s the best real time pitch shifting (incl. formant shifting!) solution in my ears - and really easy to use...love it !

    Olli, Sounds of Revolution

  • 09.12.2010

    In my day to day production work, I have my standard tool box of favorite EQs, Compressors, and VIs. Then there's my Secret Tool Box ... Vielklang is on top of that tool box.

    Peter Malick

  • 09.12.2010

    PPMulator+ is an invaluable tool for people working in the world of media music. If you're mixing or mastering for broadcast then you need this plugin!

    Adam & Dan Skinner, SkinnerBrosMusic

  • 09.12.2010

    Vielklang is the most simple and efficient harmonizer I have used so far, congratulations, guys.

    Stephane Vigie, composer and producer

  • 09.05.2012

    I absolutely love the PPMulator suite of meters... PPMulator gives you the data you have somehow always wanted, but couldn't have – until now!

    Dan Dean Productions, Inc.,
    Samplist, Engineer, Mastering Engineer

vielklang 1.0.1

Monday, 14 May 2007 17:59

vielklang 1.0.1 can now be downloaded.

A maintenance release of vielklang, version number 1.0.1, is now available for {cms_selflink page='demo' text='download'}. This release includes stability and performance improvements over version 1.0. The update is recommended for all users. A detailed change-log can be found {cms_selflink page='version-history' text='here'}.

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vielklang released!

Thursday, 26 April 2007 14:30

The VSTi and AU version of vielklang audio harmonization instrument is now available!

Official Press Release Text:

vielklang - The world needs more harmony!

zplane.development unveils vielklang for Mac and PC


Berlin, zplane.development, April 26th 2007 (ictw) – Today zplane.development announced the availability of vielklang, a plug-in instrument for instant audio harmonization. vielklang generates up to four voices from a single-voiced audio input. The progression of each individual voice is controlled by sophisticated harmony progression and voice leading models, resulting in musically meaningful harmonization without any configuration efforts.


With vielklang musicians can easily generate and prototype natural-sounding background vocals and brass sections, modify melodies and single-voiced loops in terms of pitch and scale, and experiment with various harmonizations or chords triggered by different MIDI-inputs. It allows the user to synthesize up to four voices, edit harmonies and single pitches, and convert audio to MIDI.


The four voices don't simply move in parallel, their individual progression is controlled by a complete set of voice leading rules and sophisticated harmony progression models. This musical intelligence and knowledge lets the user focus entirely on musical issues, rather than technical or theoretical ones. vielklang helps to achieve musically meaningful results without having to bother about root note, scale, tuning frequency, harmony progression and voice leading.


While vielklang provides instant and meaningful results, experienced users also have the option of changing harmonization parameters like the range (ambitus) or distribution of the voices, modifying root note and scale, editing single harmonies and changing individual pitches in each of the voices.


vielklang’s main features:

  • instant 4-voice harmonization of any single-voiced audio input
  • integrated voice leading and harmony progression models, resulting in entirely natural-sounding automatic harmonization
  • one-click modification of key scales and harmonies
  • high quality, formant preserving, flexible pitch shifting
  • audio-to-MIDI functionality for all voices
  • customizable user interface

vielklang is available for AU and VST for OSX and Windows at vielklang.zplane.de for an introductory offer of Euro 159,- / USD 199,- until May 31st, 2007. After that vielklang retails for Euro 179,-/ USD 249,-

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Release Date Announcement

Monday, 02 April 2007 16:20

vielklang will be released in April 2007!
The release of vielklang is scheduled to be in April 2007. It will be available in the first month for €159/$199, after that for €179/$249.

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Betatest started

Tuesday, 30 January 2007 18:55

The beta test phase for vielklang has started!
The Betatest for vielklang VSTi has started. After a few weeks beta phase, we are looking forward to finally release vielklang!

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PPMulator 3.4.0 released!

Monday, 28 May 2018 11:06

PPMulator v3.4.0 available now!

zplane updates PPMulator to version 3.4.0. This is the changelog:

  • (all) removed: RTAS support
  • (all) removed: Windows XP support
  • (all) new    : VST3 support
  • (all) new    : added support for 10 channel IO busses
  • (all) new    : added support for Dolby Atmos 7.0.2 and 7.1.2 tracks for AAX
  • (all) new    : added true digital meter
  • (all) new    : added file drag and drop for batch processing in the standalone
  • (win) fixed  : crashes on un/locking plugin to host when it hasn't been fully initialized (Adobe Premiere CC / Windows)
  • (osx) fixed  : offline rendering can lead to sections of silence in the outputed audio
  • (all) fixed  : wrong ppm meter visualization on overloaded input signals


The update is free for all existing customers and can be downloaded from the user accounts.

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