MicroNet SP5001C Manual do Utilizador descarregar pdf (Página 16)

16

Codec vs. Bandwidth

• The mean opinion score (MOS) provides a numerical measure of the

quality of human speech at the destination end of the circuit.

Codec Bit Rate MOS

64 kbps 4.1

3.9

3.8

3.85

3.61

3.92

5.3 kbps

6.3 kbps

G.726 32 kbps 55.2 kbps

16 kbps

8 kbps

Bandwidth Consumption

G.711 87.2 kbps

G.723.1 20.8 kbps

G.723.1 21.9 kbps

G.728 31.5 kbps

G.729 31.2 kbps

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