• Change sound pitch or key while keeping the original tempo (speed).
  • Changes the sound to play at faster or slower tempo than originally without affecting the sound pitch.
  • Possible to use the Audio Pitch Directshow Filter for Video Player or Karaoke player application.
  • Possible to use the Audio Pitch Directshow Filter for Recorded voice into different voices, such girl, child etc.
  • Possible to use the Audio Pitch Directshow Filter for Change voice of video/audio files.
  • C ompatible with any programming language that supports Directshow (Visual C , C#, VB.NET, VB6, Delphi etc.) 
  • Include C# 2010, VC 2010 Sample Code. 
  • Royalty free distribution of the Directshow Filter.