Acoustic Barcodes Are Scannable With Fingernails & Pens [Video]

Acoustic Barcodes Are Scannable With Fingernails & Pens [Video]

Etched patterns in plastic make music that also sends price data to your phone.

Yi Chen
  • 16 october 2012

A team from Carnegie Mellon University has come up with the concept design of acoustic barcodes where the bars are etched into a physical material such as wood, glass, stone, and plastic. A unique sound is produced by running a phone, fingernail, pen, or any hard-edged object across the barcode. A software app can process these waveforms to create and recognize the binary ID.

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