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2.2.1 Predefined Configurations
Predefined MPEG4 configurations allow for the quick setup of the GV1000 MPEG4
encoder. Four configurations, seen below, have been predefined; High Bitrate, Medium
Bitrate, Low Bitrate and a Default configuration. Although predefined, these setups may
not achieve the optimal performance from the GV1000 under every condition.
Configuration
High Bitrate
Med Bitrate
Low Bitrate
Default
Table 1: Predefined MPEG4 Encoder Configurations
2.2.2 Video Encode Parameters
When not using the predefined configurations the MPEG4 video parameters are
controlled from this portion of the MPEG4 Encoder menu.
2.2.3 Codec
There are currently two codecs that may be used with the GV1000. MPEG4 provides the
optimal performance in terms of video quality at very low bit rates when compared to
H.263.
2.2.4 Frame Size
Currently only QCIF (176x144) is supported by the GV1000 although larger frame sizes
such as CIF (352x288) and QVGA (320x240) may be supported in future releases.
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Genieview part Number GV-02-1005 Rev A
Description
Bit Rate: 72000
Frame Rate: 15
GOP: 30
Bit Rate: 56000
Frame Rate: 15
GOP: 30
Bit Rate: 28000
Frame Rate: 10
GOP: 60
Bit Rate: 64000
Frame Rate: 15
GOP: 30
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