Speech reproduction device configured for masking reproduced speech in a masked speech zone

摘要

#$%^&*AU2019201415A120190321.pdf#####Abstract The invention relates to a speech reproduction device for reproducing speech based on a received speech signal so that the reproduced speech is intelligible 5 in a clear speech zone and unintelligible in a masked speech zone, the speech reproduction system comprising: an audio processing module configured for receiving the speech signal; 10 a set of speech loudspeakers configured for reproducing the speech based on one or more speech loudspeaker signals; and a set of masking sound loudspeakers configured for producing a masking sound based on one or more masking sound loudspeaker signals, wherein the mask15 ing sound masks the speech in the masked speech zone; wherein the audio processing module comprises a speech signal analysis module configured for producing one or more analysis signals based on spectral and/or temporal characteristics of the speech signal; 20 wherein the audio processing module comprises a masking sound generator configured for producing one or more masking sound signals based on the one or more analysis signals. 111340361 (GHMatters) P106285.AU.1WO 2016/116330 PCT/EP2016/050515 1/4 Uf) LCC) * a) I a) C/). 44 I) C/.) C-) w UO CO CC/) C/D