Patent ID: 9491546
Filing Date: 2016-11-08
CPC Classification: H04B,H04R

Claim Text:
1. An audio-data transmission method, utilized on an electronic device, comprising: determining whether a plurality of external identification sounds are received or not, wherein the external identification sounds are on an identification-frequency range, the external identification sounds include sounds of N predetermined frequencies and N is a positive integer greater than one; transmitting a plurality of data sounds and a plurality of identification sounds by the electronic device when the external identification sounds are not received, wherein the data sounds and the identification sounds are on a data-frequency range and the identification-frequency range respectively, and the identification sounds include the sounds of the predetermined frequencies; and after receiving the external data sounds and the external identification sounds, determining whether the identification sounds and/or the external identification sounds are transmitted by at least two of the electronic devices and the at least one external electronic device or not according to the external identification sounds, and stopping the transmission of the identification sounds and the data sounds when the identification sounds and/or the external identification sounds are transmitted by the at least two of the electronic devices and the external electronic devices.