"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.
"muhammad-tahir akhtar,AKINORI NISHIHARA","On employing cascaded adaptive filters for acoustic feedback neutralization in digital hearing aids",,"Midwest Symposium on Circuits and Systems",,,,,2011,Aug.
"Muhammad Tahir Akhtar,Wataru Mitsuhashi,Akinori Nishihara","Applications of Adaptive Filtering: Recent Advancements in Active Noise Control",,"Adaptive Filtering Applications","InTech",,,,2011,July