I need a tools or API for these functions
1) Read a file from any recording device or microphone (internal or external)
2) API to extract vocal
3) A tool to transpose a key of a song to another key
I need a tools or API for these functions
1) Read a file from any recording device or microphone (internal or external)
2) API to extract vocal
3) A tool to transpose a key of a song to another key
Sounds to me that you need Melodyne? That should be the best tool for doing this kind of thing, I think. Never used Melodyne myself, but saw the following clip:
http://www.youtube.com/watch?v=9FScFKuXXM0