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Re: How to implement quick-playing and slow-playing of sound file?
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Re: How to implement quick-playing and slow-playing of sound file?


  • Subject: Re: How to implement quick-playing and slow-playing of sound file?
  • From: "I. Savant" <email@hidden>
  • Date: Mon, 23 Mar 2009 12:30:06 -0400

On Mar 23, 2009, at 3:25 AM, ldl0313036 wrote:

I am developing an application which implement the playing of sound file. Now I want to change the rate of the sound when it is playing.In other words ,I want to implement quick-playing and slow- playing of the sound file.Is there any API for the function? Or can any one tell me any clue about it.
Please help me in solving this query. Any pointers would be appreciated.

Look into QTKit and its documentation. There are ways to either change the rate (that's a good search keyword) or AudioUnits (via CoreAudio) to change the speed without bending the pitch.


--
I.S.


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