***** If it dose not respond under iOS7, please open "Setting"-"Privacy"-"Microphone"-"Allow Pitch Analyzer access to the microphone"*****
Pitch Analyzer is a tool for analysing sound's absolute pitch. It detects any sounds input from mic,and analyse the sound's frequency, note name, MIDI number,and cent tolerance...
It can help singers or music students to exercise perfect pitch, and help tuners or performers tuning their instrument.
-Note's MIDI number
-Note position in staff
-Note position in piano keyboard