CPC G06F 21/32 (2013.01) [G06F 16/636 (2019.01); G06F 16/683 (2019.01); H04L 63/0861 (2013.01); H04W 4/21 (2018.02); G10L 17/04 (2013.01)] | 15 Claims |
1. A method of contact tracking comprising:
identifying whether a distance from a first device to a second device is less than a threshold value;
obtaining a contact time of when the distance was less than the threshold value;
obtaining contact information and location information of the first device at the contact time;
adding the contact and location information and the contact time to a contact list, where the contact list is stored in computer memory of the second device; and
measuring an acoustic environment about the second device for a time segment, where the contact time is within the time segment, and wherein the second device does the measuring.
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