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Jaso333 is offline Jaso333
2010-06-24 , 18:12
Posts: 52 | Thanked: 8 times | Joined on Apr 2010
#1
I have begun creating an application that will later require intricate audio processing.

The sort of functions I am looking for are as follows:

- To be able to load WAV files.
- To be able to start a sound and stop a sound before the end of the sample.
- To be able to change the pitch of a sound.
- To be able to apply EQ effects to a sound.

I am working within QT and would like to keep it within the QT libraries. So which libraries would I be able to use?
 

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Helmuth is offline Helmuth
2010-06-24 , 18:51
Posts: 1,259 | Thanked: 1,341 times | Joined on Oct 2009 @ Germany
#2
Give QtMultimedia a try...
 
vir3us
2010-06-25 , 16:16
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#3
Would like to speed up and slow down songs, like WMP. Is there a simple app or something to be able to do this? Would be great.
 
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clasificado is offline clasificado
2010-06-25 , 17:02
Posts: 466 | Thanked: 180 times | Joined on Feb 2010
#4
QtMultimedia is you way

But you must know that one thing is audio playback (a simple thing) and another whole thing is audio processing (a complex thing)

Here the qt blog talks about the concept and an example of qtmultimedia for audio processing.

http://labs.trolltech.com/blogs/2010...-qtmultimedia/

http://labs.trolltech.com/blogs/2010...trum-analyser/

The 2nd one has a video!

Hope this helps
 
Jaso333 is offline Jaso333
2010-06-25 , 17:46
Posts: 52 | Thanked: 8 times | Joined on Apr 2010
#5
thanks dude
 
hassan_badredin is offline hassan_badredin
2010-06-25 , 17:58
Posts: 150 | Thanked: 16 times | Joined on Jun 2010
#6
Originally Posted by Jaso333 View Post
I have begun creating an application that will later require intricate audio processing.

The sort of functions I am looking for are as follows:

- To be able to load WAV files.
- To be able to start a sound and stop a sound before the end of the sample.
- To be able to change the pitch of a sound.
- To be able to apply EQ effects to a sound.

I am working within QT and would like to keep it within the QT libraries. So which libraries would I be able to use?
please have a look at the old ACID computer program if you could do something similar it would be a bomb!!!!thanks for any audio program anyway i work music so i am veeery interested!!!!good luck with your work!!!!
 
vir3us
2010-07-12 , 14:48
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#7
Hows this going. How can i change the pitch of a song again please.
 
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