Audio Pitch Directshow Filter

• 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.  
• Compatible 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.

Website: http://www.viscomsoft.com/products/audio-pitch-directshow-filter