Novel adaptive muting technique for packet loss concealment of ITU-T G.722 using optimized parametric shaping functions

EURASIP Journal on Audio, Speech, and Music Processing

Table 4 Comparison of objective quality test (95 % confidence interval)

Packet loss rate	G.722 App. IV		Kovesi [22]		G.722 App.IV+		Proposed method
	LLR	WB-PESQ	LLR	WB-PESQ	LLR	WB-PESQ	LLR	WB-PESQ
1 %	0.036	3.93±0.01	0.036	3.93±0.01	0.037	3.94±0.03	0.036	3.94±0.01
3 %	0.059	3.42±0.03	0.058	3.44±0.02	0.054	3.47±0.03	0.052	3.47±0.03
6 %	0.095	2.95±0.02	0.091	2.98±0.02	0.087	3.12±0.05	0.083	3.15±0.03
10 %	0.147	2.62±0.04	0.139	2.64±0.03	0.129	2.72±0.02	0.121	2.77±0.02
20 %	0.277	1.97±0.03	0.263	2.10±0.05	0.257	2.16±0.04	0.246	2.23±0.04