PhonoPaper!

PhonoPaper is: format of graphical representation of the sound (music, human voice, etc. ); in other words, it is the 2D audio barcode (by analogy with the QR-code); real-time PhonoPaper-code reader (using the camera); PhonoPaper-code generator (sound to image converter).Key features: PhonoPaper-code is analogue, so it is not so sensitive to different types of the image distortion (bad camera, dark picture, wrinkled paper, etc. Official website with examples and FAQ: http://warmplace.ru/soft/phonopaper