Report title: Multi-channel speech enhancement for wireless seabet online casino games sensor networks
Report time: Tuesday, April 2, 2019, 3:00 pm
Report location: Conference Room 308, Computer seabet online casino games, Campus
Reporter: Dr. Zhang Jie
Abstract: In recent years，The use of infinite seabet online casino games sensor devices is becoming increasingly common，We are in a large-scale sensor network all the time。Compared to traditional microphone array，Wireless seabet online casino games sensor networks have many advantages，For example, it is not limited by the size of the application platform、Easy layout、Wider spatial perception range, etc.。At the same time，It also brings new challenges to speech signal processing，For example, network resources (battery energy、communication bandwidth) consumption、Time-varying topology、Device time synchronization, etc.。To this，We first proposed how to select a subset of microphones with the lowest energy consumption to achieve a specified speech noise reduction effect；Secondly，Since each device must be quantized before transmitting data，We propose how to optimally allocate network quantization rates；Again，Considering the poor robustness of centralized networks，We proposed a distributed speech noise reduction algorithm；Last，Because the traditional speech noise reduction algorithm based on beamforming requires the use of seabet online casino games transfer functions，We propose an seabet online casino games transfer function estimation method in low communication rate scenarios。
Personal profile: Sponsored by China Scholarship Council to study for a doctoral degree at Delft University of Technology in the Netherlands 。The main research direction is: speech enhancement、Sound source localization、Binaural Acoustics、seabet online casino games Network、Convex optimization, etc.。Served as IEEE/ACM TASLP、IEEE Trans. SignalProcessing, IEEE Communication/Signal Processing Letters、ICASSP、ICRA、Reviewer for international journals such as IROS。 More than ten academic papers have been published so far， 8 of which were included in SCI，Mainly published in IEEE/ACM TASLP、IEEE Trans. SignalProcessing，And won the 2018 10th IEEE SensorArray and Multichannel Signal Processing Workshop (SAM) Best Paper Award， Apply and authorize 2 national invention patents。
