signal processing - iPhone SDK: Is it possible to process audio file from local library -

signal processing - iPhone SDK: Is it possible to process audio file from local library -

Well, I will try best not to do it as 'I just want code' ...

I am currently working on a project that requires some audio signal processing from local music files (iTunes Library). The whole work includes:

Get the PCM data of an audio file (usually from the iTunes library); & Lt; - AudioQue (?)
Write PCM data in a new file (it seems that the apple music does not allow direct modification on the track); & Lt; - CoreAudio (?)
Make some processing and modifications, such as filters, manipulator, etc. & Lt; - Will be developed in C ++
Run the processed track.

,

Along with the official sample code, I also feel that Core AODO SDK allows us to implement audio processing on micro-recorded voice demos

My question is: / P>

Can I get raw data from iTunes Library Tracks instead of Micro input?

If the first question is 'no', then there is no way to make the SDK 'stupid' it feels that it is getting data from micro input, not from iitines? (I did some similar 'hacking' stuff in the CD before the C #)

If the whole processing just does not work, can someone offer some alternative ideas?

Any kind of assistance will be thanked. Thank you very much: -)

Thank you.

Just got some cool yesterday <.

PCM specimens from iPhones Media Library, dozens of agreement, potentially harmful steps

(

and also a class library by MIT:

TSLibraryImport: Objective-class + sample code for importing files from the user's iPod library in iOS4.

(

Hope they help!

Cheers,

Merca

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