I need someone or a team that understands FFT and web database. If you truly understand how to implement using vDSP on IOS and another comparable FFT library for Android AND you or your team can handle transferring content between paired mobile devices via a server, then please respond and I will provide more detailed requirements.
Example apps similar in function
Bump : transfer contacts, pictures and photos between mobile devices using packet timing and accelerometer
Chirp : transfers photos between mobile devices using digitally modulated sound
PhotoCircle : also transfers photos between mobile devices using digitally modulated sound