Computer software and hardware for machine-to-machine communication; computer software and hardware for machine-to-machine communication of data to/from electronic devices; computer programs for sonically transmitting and receiving machine-to-machine audio signals to/from devices; computer software and hardware for audio decoding; computer software and hardware for analysis of machine-to-machine audio signals, including fingerprint analysis; computer software and hardware for information processing; digital and electronic receivers and transmitters; digital and electronic beacons; digital signal processors
Electrical and Scientific Apparatus