An orientation and information system for blind people based on RF-speech-beacons

Kemmerling, M.M.KemmerlingSchliepkorte, H.-J.H.-J.SchliepkorteScherer, K.K.Scherer2022-03-032022-03-031998https://publica.fraunhofer.de/handle/publica/193118en621An orientation and information system for blind people based on RF-speech-beaconsbook article