A group of students attending Carnegie Mellon University have freshly formed a technology called “acoustic barcodes” that complete commands simply derived from specific sounds. With NFC and QR code technologies gaining popularity by the day, these students aim at forming head-on type of competition.
Students were able to create this acoustic barcode technology with the power of an etched barcode and microphone. For example, a fingernail may be dragged across an etched surface and recorded. Thereafter, a computer-system completes a specific task based on the waveform of the sound. A user can hand-pick what type of task the waveform will complete — it can read directions aloud, run a PowerPoint presentation, and virtually anything you want.
Every single etched acoustic barcode will have a unique identifying waveform. One could alter the etching to change the acoustic barcode’s waveform.
As seen on the video presentation above, acoustic barcodes can be applied to many surfaces — including wood, glass, plastic, and more. A teacher presented the technology to complete the task of switching slides in his presentation.
While the acoustic barcodes seem amazing at first glance, the world already has a more sufficient technology at-hand. A button can complete the same task and is already used throughout the world within stores, schools, and many others.
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