Towards an alternative representation of indoor acoustic environment

Open Access

Table 1

Relative importance and associated parameters for the selected indoor sound source categories.

Sound source category	R_{participation,EU} (%)		T_daily (h)		Depends on nb occupants (yes/no)		T_avg,weekly (h)	K _i
Sound source category	Value	Origin	Value	Origin	Value	Origin	T_avg,weekly (h)	K _i
Mechanical ventilation	70	[8]	24.00	assum.	no	assum.	117.60	1.0000
Refrigerator/freezer	99	[9]	12.00	assum.	no	assum.	83.16	0.7071
Daily grooming (excl. WC)	100	[4]	1.09	[4]	yes	assum.	17.47	0.1486
Cooking appliances	65	[4]	1.08	[4]	yes	assum.	16.11	0.1370
Video equipment (excl. games)	82	[4]	2.53	[4]	no	assum.	14.43	0.1227
Meals	99	[4]	1.82	[4]	no	assum.	12.56	0.1068
Dishwasher (excl. load/unload)	58.4	[10]	2.00	assum.	no	assum.	8.18	0.0695
House cleaning appliances	41	[4]	1.07	[4]	yes	assum.	7.11	0.0605
Dish hand wash and handle	40	[4]	0.75	[4]	yes	assum.	4.82	0.0410
Washing machine, no spin	96	[10]	0.50	assum.	no	assum.	3.36	0.0286
Washing machine, spin cycle	96	[10]	0.17	assum.	no	assum.	1.12	0.0095
Children voices	28.8	[5]	0.50	assum.	no	assum.	1.01	0.0086
Video games	4	[4]	1.30	[4]	no	assum.	0.39	0.0033
Audio equipment	6	[4]	0.95	[4]	no	assum.	0.38	0.0032
Toilet flush	100	assum.	0.02	assum.	yes	assum.	0.27	0.0023
Phone/doorbell ring	100	assum.	0.02	assum.	no	assum.	0.12	0.0010

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