"Yanna Ma","Efficient Voice Activity Detection and Speech Enhancement Algorithms based on Spectral Features",,,,,,,2014,Sept. "Yanna Ma","Efficient Voice Activity Detection and Speech Enhancement Algorithms based on Spectral Features",,,,,,,2014,Sept. "Yanna Ma","Efficient Voice Activity Detection and Speech Enhancement Algorithms based on Spectral Features",,,,,,,2014,Sept. "Yanna Ma,AKINORI NISHIHARA","A modified Wiener filtering method combined with wavelet thresholding multitaper spectrum for speech enhancement",,"EURASIP Journal on Audio Speech and Music Processing",,"Volume 2014","Number 1","Page 32",2014,Aug. "Yanna Ma,Akinori Nishihara","Efficient voice activity detection algorithm using long-term spectral flatness measure",,"EURASIP Journal on Audio, Speech, and Music Processing","Springer",,,,2013,July "Yanna Ma,AKINORI NISHIHARA","A Novel Voice Activity Detection Algorithm using Long-Term Spectral Flatness Measure","2013 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing","2013 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing",,,,,2013, "Yanna Ma,muhammad-tahir akhtar,Akinori Nishihara","A Robust Voice Activity Detection based on Long-term Mean","26th SIP SYMPOSIUM","26th SIP SYMPOSIUM",,,,,2011,Nov. "Yanna Ma,Hisayori Noda,Izumi Ito,AKINORI NISHIHARA","Modified Delta Encoding and Its Applications to Speech Signal","IEEE TENCON2010","IEEE Region 10 Conference TENCON",,,,,2010,Nov.