GE SymNet1, Руководство пользователя

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Chapter 3
WebServer
25
Reducing the bitrate (bandwidth) in video streaming will result in a loss of video quality and frame refresh rate.
Note: 2 Field Rates equals 1 Frame.
Table 5. MPEG settings table PAL
Table 4. MPEG Settings table NTSC (cont’d)
Bitrate
Field Rates Field Rates Field Rates
60 30 20 15 10 5 60 30 20 15 10 5 60 30 20 15 10 5
2000kps X
1750kps X
1500kps X X X
1200kps X X X
900kps X X X X
600kps X X X X X X X
450kps X X X X X X X X X
300kps X X X X X X X X X X X
200kps X X X X X X X X X X X X X X
150kps X X X X X X X X X X X X X X X
Color Code
Meaning Preferred X Not recommended X Not available
Quality D1 2CIF CIF
Field Rate Bitrate Field Rate Bitrate Field Rate Bitrate
High 50 2000000 25 1000000 50 500000
25 1000000 13 500000 25 250000
17 666666 8 333333 17 166666
13 500000 6 250000 13 125000
10 400000 5 200000 10 100000
5 200000 3 100000