This app is unstable below C3.Also, all the user’s voice can not be recognized correctly.Real-time Tone Recognition Mic!Practice singing with the HzZmyC! Description:This App is a specialized product from the voice recognition module of the tone tuner.This App detects your pitch in real time,Detected pitch is showed numerical and graphical using Spectrum, OcLeveland Colour Pitch Mike.This App will help to compose a song, as well as song practice.Release 1.4 2012/6/28Fixed app-down bug.Release 1.3 2012/6/25Fixed Verifying error.Release 1.0 2012/6/23keyword : tone tuner, tone trainning, tuner, singing trainning, vocal, micsing, tone deaf, music trainning,tuner,musical sheet writing,musical sheet, music sheet,guitartuner,composercompose