The Sonoma Wire Works AudioCopy/AudioPaste SDK is a standard for Copy/Paste features for audio in iOS.
Sonoma Wire Works launched the Mobile Audio Product Interaction (MAPI™) Partner Program to join forces with other developers interested in making audio tools work together for the best user experience. AudioCopy/AudioPaste SDK is a standard for Copy/Paste features for audio in iOS.
Reference: http://www.sonomawireworks.com/iphone/mapi/#audiocopy