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101

APPENDIX 5. –MPEG4 Bit Rate Lookup Table of LAN Camera

1. When frame rate is higher than 15 frames/second (15 is not including):

Highest High Medium Low Lowest

FULL D1 3 2.5 2 1.5 1

VGA 2.63 2.25 1.75 1.31 0.88

Half D1 1.5 1.25 1 0.75 0.5

Half VGA 1.31 1.13 0.88 0.67 0.44

CIF 0.75 0.63 0.5 0.38 0.25

QVGA 0.66 0.56 0.44 0.38 0.22

ZOOM * 2 3 2.5 2 1.5 1

ZOOM * 3 3 2.5 2 1.5 1

ZOOM * 4 3 2.5 2 1.5 1

2. When frame rate is lower or equal to 15 frames/second:

Highest High Medium Low Lowest

FULL D1 2.25 1.94 1.5 1.13 0.75

VGA 1.94 1.69 1.31 0.98 0.66

Half D1 1.13 0.94 0.75 0.56 0.38

Half VGA 0.98 0.84 0.66 0.49 0.33

CIF 0.56 0.47 0.44 0.28 0.19

QVGA 0.5 0.44 0.34 0.25 0.19

ZOOM * 2 2.25 1.88 1.5 1.125 0.75

ZOOM * 3 2.25 1.88 1.5 1.125 0.75

ZOOM * 4 2.25 1.88 1.5 1.125 0.75

*The unit is in Mbps/second.

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Sony MPEG4 Manuale Utente Pagina 103