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EURASIP Journal on Audio, Speech, and Music Processing

Table 5 Overall MOS test results (95 % confidence interval)

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

Packet loss rate

Mean opinion score

 

G.722 App. IV

Kovesi [22]

G.722 App. IV+

Proposed method

1 %

3.64±0.03

3.73±0.04

3.75±0.05

3.72±0.04

5 %

3.12±0.06

3.21±0.05

3.25±0.07

3.26±0.06

10 %

2.57±0.05

2.63±0.07

2.64±0.05

2.68±0.07

20 %

1.88±0.09

1.93±0.08

1.98±0.11

2.04±0.13

30 %

1.13±0.11

1.31±0.08

1.36±0.14

1.47±0.12

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