AmizingMIDI is a powerful freeware that can convert WAV files into MIDI files. AmazingMIDI is used for analizing sounds like drum, guitar and piano. The tone color of the music depends on the music quality itself. But it provides poor results for an unstable pitch sound like vocals. And also check out the other freeware for Image Manipulation Program

Supported File Formats
Input/Tone File (wav): PCM, 16-bit, 22.050kHz/44.100kHz, mono/stereo
Output File (mid) : Standard MIDI File, Format 0

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