Data transmission/reception method and data transmission system based on sound waves
A data transmission method and sound wave technology, applied in the field of data transmission, can solve the problems of short communication distance and low recognition accuracy, achieve high gain, avoid noise, and improve data recognition speed
Active Publication Date: 2021-10-22
ALIBABA GRP HLDG LTD
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Problems solved by technology
[0008] The present application provides a sound wave-based data transmission method, device and electronic equipment to solve the problems of short communication distance and low recognition accuracy existing in the prior art
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[0322] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways that are different from those described here, and those skilled in the art can make similar promotions without violating the connotation of the present application. Therefore, the present application is not limited by the specific implementations disclosed below.
[0323] In this application, a data transmission method, device and electronic equipment based on sound waves, a data receiving method, device and electronic equipment based on sound waves, and a data transmission system based on sound waves are provided. Each will be described in detail in the following examples.
[0324] The core basic idea of the sound wave-based data transmission method provided by this application is: according to the sound wave frequency sequence corresponding to the data to be sent ...
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The present application discloses a method, device and electronic device for data transmission based on sound waves, a method, device and electronic device for data receiving based on sound waves, and a data transmission system based on sound waves. Wherein, the method for sending data based on sound waves includes: obtaining data to be sent; obtaining a sound wave frequency sequence corresponding to the data to be sent according to a preset sound wave frequency mapping table; according to the sound wave frequency sequence and a preset sending duration time, generate a filtered sound wave signal sequence, and the sending duration is the sending duration of a single character corresponding to the sound wave signal; according to the filtered sound wave signal sequence, send the sound wave signal corresponding to the data to be sent. By using the sound wave-based data transmission method provided in the present application, the filtered sound wave signal is sent to the outside, which can effectively improve the communication distance and the recognition accuracy, and can also avoid the noise caused by the drop during frequency switching.
Description
technical field [0001] The present application relates to the technical field of data transmission, in particular to a sound wave-based data transmission method, device and electronic equipment. The present application also relates to a data receiving method, device and electronic equipment based on sound waves, and a data transmission system based on sound waves. Background technique [0002] With the continuous development of smart terminals, the ways of information transmission and interaction are becoming more and more diverse. Compared with Bluetooth, infrared data transmission, wireless network or other near-field communication methods, sound waves, as a near-field communication method, have strong real-time performance, no need for any external network connection, no high configuration and specific requirements , Simple and convenient, etc. Therefore, the data transmission method based on sound waves has been widely used. [0003] The patent application with publica...
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IPC IPC(8): H04B11/00G08C23/02
CPCG08C23/02H04B11/00G10L19/008H04L9/0631
Inventor 冯建华
Owner ALIBABA GRP HLDG LTD