Robust Sounds of Activities of Daily Living Classification in Two-Channel Audio-Based Telemonitoring

Table 1

Estimated SNR ranges (dB) for the noisy sounds of daily life database, comprising various sounds recorded in the presence of radio noise (two volume levels), speech noise, and rain noise.

	Mic 1	Mic 2	Mic 3	Mic 4
Slamming cupboard door	19–25	23–32	15–18	18–23
Dropping a cup	15–19	12–20	1.0–1.5	3.5–5.0
Dropping a spoon	3.6–4.4	3.3–5.8	0.9–1.6	3.5–4.9
Tap water	1.2–1.7	2.6–5.2	1.4–2.0	2.6–3.2
Chopping vegetables	9–15	8–18	11–14	12–17
Phone ringing	4.5–6.1	5.8–8.7	4.3–5.7	4.3–6.3
Mixmaster	3.6–4.5	6.8–9.7	17–20	9.5–12
Open microwave	2.9–7.0	3.8–9.1	1.4–2.3	2.9–6.8