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 (Delphi, .Net, vb, vc++). .
Support change the audio pitch or audio tempo in any Directshow app
It include c#, vc+ sample source code.

• Mainmedia Audio Pitch Directshow Filter 2.48
  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 (Delphi,...

• Quick Time Source Directshow Filter 1.0
  Quick Time Source Filter is a powerful source filter that allows playback mov, ipod, psp, mp4 video with aac audio, 3gp video with amr audio in any Directshow base application

• Quick Time Source Directshow Filter 2.16
  Quick Time Source Filter is a powerful source filter that allows playback mov, ipod, psp, mp4 video with aac audio, 3gp video with amr audio in any Directshow base application. The quality of video same as Quick Time Player. Support playback mov,...

• Mainmedia Quick Time Source Directshow Filter 3.39
  Quick Time Source Filter is a powerful source filter that allows playback mov, ipod, psp, mp4 video with aac audio, 3gp video with amr audio in any Directshow base application

• iPod Encoder Directshow Filter 1.09
  iPod Encoder Filter is a powerful ipod encoder that allows write to ipod video file m4v in any Directshow base application. For example - video capture, video converter, video editing application. Support encode ipod video file in any Directshow base application. Support MP4, H.264 video codec, AAC audio codec. Support different ipod profiles....

• Mainmedia iPod Encoder Directshow Filter 1.48
  iPod Encoder Filter is a powerful ipod encoder that allows write to ipod video file m4v in any Directshow base application

• Pitch Switch 3.2.8
  Change the pitch or speed of any song! Now you can slow down MP3s without affecting the pitch, or lower the key of a song into your range without changing the speed