Acoustic Barcodes

- все самое новое, интересное и полезное из Интернетов - для тех, кто в них отдыхает, работает и живет! We present acoustic barcodes, structured patterns of physical notches that, when swiped with e.g., a fingernail, produce a complex sound that can be resolved to a binary ID. A single, inexpensive contact microphone attached to a surface or object is used to capture the waveform. We present our method for decoding sounds into IDs, which handles variations in swipe velocity and oth