Communicating information between devices using ultra high frequency audio

Communicating information between devices using ultra high frequency audio. Narayan, S., Aerrabotu, N., Rayanki, S., & Wang, Y. October 2017. 00000

Paper abstract bibtex

A client device encodes data into an audio signal and communicates the audio data to an additional client device, which decodes the data from the audio signal. The data is partitioned into characters, which are subsequently partitioned into a plurality of sub-characters. Each sub-character is encoded into a frequency, and multiple frequencies that encode sub-characters are combined by the client device to generate an audio signal. Frequencies encoding sub-characters may be above 16 kilohertz, so the sub-characters are transmitted using frequencies that are inaudible to humans. The audio signal is communicated to an additional client device, which decodes frequencies from the audio signal to sub-characters, which are then combined into characters by the additional client device to generate the data.

@patent{narayan_communicating_2017,
	title = {Communicating information between devices using ultra high frequency audio},
	url = {https://patents.google.com/patent/US9786291B2/en},
	abstract = {A client device encodes data into an audio signal and communicates the audio data to an additional client device, which decodes the data from the audio signal. The data is partitioned into characters, which are subsequently partitioned into a plurality of sub-characters. Each sub-character is encoded into a frequency, and multiple frequencies that encode sub-characters are combined by the client device to generate an audio signal. Frequencies encoding sub-characters may be above 16 kilohertz, so the sub-characters are transmitted using frequencies that are inaudible to humans. The audio signal is communicated to an additional client device, which decodes frequencies from the audio signal to sub-characters, which are then combined into characters by the additional client device to generate the data.},
	nationality = {US},
	language = {en},
	assignee = {Google Technology Holdings LLC},
	number = {US9786291B2},
	urldate = {2018-11-21},
	author = {Narayan, Shyam and Aerrabotu, Naveen and Rayanki, Sreenivasulu and Wang, Yun-Ming},
	month = oct,
	year = {2017},
	note = {00000}
}

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