Ultrasonic Data Transmission With GNU Radio

2013年12月10日 | By News | Filed in: News.

http://hackaday.com/2013/12/10/ultrasonic-data-transmission-with-gnu-radio/

ultrasonic

When we hear GNU Radio was used in a build, the first thing we think of is, obviously, radio. Whether it’s a using extremely expensive gear or just a USB TV tuner dongle, GNU Radio is the perfect tool for just about everything in the tail end of the electromagnetic spectrum.

There’s no reason GNU Radio can’t be used with other mediums, though, as [Chris] shows us with his ultrasound data transmission between two laptops. He’s transmitting audio from the speakers of one laptop at 23 kHz. It’s outside the range of human hearing, but surprisingly able to be … Read the rest

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Ultrasonic Data Transmission With GNU Radio

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