Table 7.

Comparison of root mean square error (RMSE) between the original and processed acoustic sensor signals for the proposed method.

Sensor	Proposed	Bit-Depth Reduction (from 16 to 8 bits)	SHORTEN (Lossy Mode: Max. 9 Bits per Sample)	SHORTEN (Lossy Mode: Max. 10 Bits per Sample)
#4	0.0064	0.0963	0.0011	0.0004
#5	0.0033	0.0499	0.0051	0.0032
#6	0.0029	0.0934	0.0033	0.0038
#7	0.0003	0.0295	0.0019	0.0012
#8	0.0030	0.0623	0.0023	0.0008
Avg.	0.0032	0.0663	0.0027	0.0019