1)   Audio Pitch Directshow Filter 2.0
Audio Pitch Filter is a powerful transform filter that allows change the audio pitch or audio tempo when playback video or audio file in any Directshow base application. Support change the audio pitch or audio tempo in any Directshow app

 2)   Movie Media Player Pro ActiveX OCX SDK 4.0
Powerful media player, video player activex - Mov, M4a, Mp4, 3gp, Divx, AVI, WMV, MPEG-1, MPEG-2 (need dvd decoder), RM, ASF, WAV, MP3, MID file playback. Video Mixing, change audio pitch, Overlay text, image, scrolling type, alpha value on video.