... 2009 acoustic intensity acoustic noise measurement air cleaners hearing noise pollution principal component analysis Air cleaners, having capacities for enclosed spaces of 25 – 50   m 2 , are usually operated in quiet rooms for a long time in the vicinity of people...

... times better time/frequency resolution than the familiar Fourier transform moved across the time axis, although quite often a compromise block size can be found that gives time/frequency measurement agreeing with human sound perception of both factors. Unlike technical measuring systems, human hearing...

... reproduction by using a headset. 28 09 2005 26 02 2007 feedback active noise control acoustic signal processing audio signal processing headphones sound reproduction closed loop systems transfer functions reverberation hearing earphones Three-dimensional (3D) audio...

... , Audio Amateur Press . MATLAB 6.5—Help Content, Mathworks, Inc. Oppenheim , A. V. , Schafer , R. W. , and Buck , J. R. , 1999 , Discrete-Time Signal Processing , Prentice-Hall , Englewood Cliffs, NJ. 04 03 2005 04 04 2006 hearing transfer functions...