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I want to increase and decrease pitch of an audio file (.m4a, mp4, etc).

I am using Visual Studio 2008 and .NET Framework 3.5

I have tried out the following link from MSDN, but no success yet

Here in the above link, even after importing the Microsoft.Xna.Framework.Audio, its not recognizing the SoundEffectInstance and SoundEffect class.

So is there any workaround for this problem?

Bobrovsky
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rohan panchal
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1 Answers1

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I think this might help you.

http://www.codeproject.com/Articles/245646/How-to-change-the-pitch-and-tempo-of-a-sound

Take note at the bottom... *19th September, 2011: Added C# wrapper for cpct_dll.dll and a GUI demo for CPCT.