CPC G01S 15/101 (2013.01) [G01S 7/5273 (2013.01)] | 20 Claims |
1. A method of performing distance estimation between a first recording device at a first location and a second recording device at a second location, comprising:
estimating an acoustic relative transfer function (RTF) between the first recording device and the second recording device for a sound signal; and
estimating a distance between the first recording device and the second recording device based on the acoustic RTF.
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