Voice Tweaker 4.1.0.5 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This PC program can be installed on Windows XP/Vista/7/8/10/11 environment, 32-bit version. The most popular versions among the software users are 4.1 and 4.0. The actual developer of the program is Xponaut. Tweaker.exe is the common file name to indicate this program's installer. Voice Tweaker belongs to Multimedia Tools.
From the developer:
The Voice Tweaker plug-in is a harmonic pitch transposer designed for monophonic signals such as voice, spoken or sung, or solo instruments. It can transpose the pitch and formants independently, thus enabling both formant preserving pitch transpose and other more unusual effects. The Voice Tweaker also features an automatic pitch correction function and auto vibrato.
You may want to check out more software, such as AV Voice Changer Software GOLD, WINner Tweak SE-2 or Tweaking.Com Windows Repair, which might be related to Voice Tweaker.
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