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Distributed Audio Network for Speech Enhancement in Challenging Noise Backgrounds
2009
2009 Sixth IEEE International Conference on Advanced Video and Signal Based Surveillance
This paper presents a new approach to enhance speech based on a distributed microphone network. Each microphone is used to simultaneously classify the input into either one of the noise types or as speech. For enhancing the speech signal a modified spectral subtraction approach is used that utilise the sound information of the entire network to update the noise model even during speech. This improves the reduction of the ambient noise, especially for non-stationary noise types such as street or
doi:10.1109/avss.2009.17
dblp:conf/avss/KuhnapfelTVI09
fatcat:fblmdxbyhvg4jaqjpuq4kcj4r4