Ranging method based on sound sensor and system thereof
A technology of a sound sensor and a ranging method, applied in the field of mobile communication, can solve the problems of large limitations, long time consumption, affecting generality, etc., and achieve the effect of small equipment limitations, strong method robustness, and good processing effect.
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[0031] The present invention will be further described below in conjunction with the accompanying drawings.
[0032] refer to figure 1 , shows a flow chart of an acoustic sensor-based ranging method 100 according to a preferred embodiment of the present invention. figure 1 Involving a ranging method based on a mobile terminal sound sensor and high-frequency sound, the ranging method 100 includes the following steps:
[0033] Preferably, in step 1, the ranging server generates the starting time of audio recording for each mobile terminal among the plurality of mobile terminals participating in the ranging, the starting time and playing time length of each mobile terminal playing Beep, and the recording The audio start time, play start time and play time length are sent to the corresponding mobile terminal, each mobile terminal starts to record the audio file at the recording audio start time with the microphone, and each mobile terminal plays the Start time and play time leng...
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