人耳对于不同频率成分分离知觉的定量分析-声学技术.PDFVIP

23 2 V ol. 23, N o. 2 2004 6 T echnical A coust ics J un. , 2004 包永强, 周晓彦, 赵 力, 邹采荣 ( , 2 10096) : , , , , : On- set Off- set , : : T N 912. 3 : A : 1000- 3630( 2004) 02- 0106- 03 Quantitative analysis on perceptibility of source separation of different characteristic frequencies BAO Y ong- qiang, ZHOU Xiao- yan , ZHAO L i, ZO U Ca-i rong ( Dep ar tment of R ad io E ng ineer ing , Southeast Univ ersity , N anj ing 210096, China) Abstract: T his p aper st udies t he basic problem of acoust ic source separat ion , the sep arat ion of diff erent charact erist ic frequencies . A n approx imat e funct ion is obt ained by analyz ing the relat ionship betw een different ch aract erist ic frequencies and t he creat ion of sense separation. A source sep arat ion model of charact erist ics of dif ferent frequencies is est ablished. Ex periment al results show t hat bot h ex cursion of on- set and off- set f requency components and excursion of harmonic f requencies are im port ant cau ses of audit ory sep arat ion . Key words: au ditory scene analysis acoust ic source separation f requency components percept ual model , , 1 Bregman 1990 , [ 1] , ( ) [ 3, 4] , ,