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Multistream speech recognition is a generalisation of the multiband approach which has already shown promise [ Bourlard and DuPont , 96 , Hermansky et al 96 ] . Mainstream ASR approaches seem , arguably , to be reaching their limits in the face of these problems and ways of directly extending them are difficult to see [ Bourlard et al , 96 ] . 4-18 ) . Because unvented fuel-fired heating appliances were permitted in residential occupancies by previous editions of the state fire and mechanical codes , existing installations ( installed prior to September 20 , 2004 ) are allowed to remain as long as they are in proper working order and are not located in , or take their combustion air from , bedrooms , closets , or bathrooms . Intrinsic rate of increase ( r ) , generation time ( T ) , and reproductive value [ v ( x ) ] are conceptually independent of these specific equations , since these concepts can be defined equally well in terms of the age distribution of a population , although they are somewhat more complex mathematically ( Vandermeer , 1968 ) . However , production of new shoots from underground roots the following spring offsets shoot mortality caused directly and indirectly by Ceutorhynchus litura ( Rees 1990 ) . comm .; Heim 1990 ) . This is used to compute probabilistic analogues of electivity and an analysis can proceed that is unbiased by resource availability ( Winemiller and Pianka , 1990 ) . We have also begun to address the problem of how this auditory grouping might be used in robust speech recognition [ Green et al , 95 , Cooke et al 96 , Patterson 96 ] . Confidence limits for harmonic amplitude and phase are based on formulae presented in Jenkins and Watts ( 1968 ) . The law in the UK has been in place since 1932 following the Dolgarrog failures in Wales , and has been upgraded a number of times since then ( Dams Safety Provisions Act 1990 ) . However , these data do provide input for global circulation-climate models and studies of the climatic effect of sulfur emissions ( Charlson et al ., 1987 ; Charlson et al ., 1990 ; Erickson et al ., 1990 ; Penner , 1990 ) . The advantages of this technique have been shown in neurophysiological experiments [ Hartung and Sterbing 96 ] . Although still preliminary , this result was recently confirmed on a difficult conversational speech task in the framework of an international evaluation [ WS 96 ] .