2N 9152101W Installation Manual page 75

Bandwidth
Audio codecs
PCMA, PCMU – 64 kbps (with 85.6 kbps headers)
G.729 – 16 kbps (with 29.6 kbps headers)
G.722 – 64 kbps (with 85.6 kbps headers)
L16 / 16 kHz – 256 kbps (with 277.6 kbps headers)
V i d e o
Set the video codec data flows in the Services / Phone / Video menu for calls
and in the Services / Streaming / RTSP menu for streaming. The set bandwidth
represents the value that the codec has to approach on a long-time average. The
data flows can vary depending on the scene to be scanned.
The measued data flow values correspond to the test view of a person standing
in front of the intercom.
H.264
Low quality: QVGA (320 x 240), 10 fps, 256 kbps: 181 kbps (with 190 kbps
headers)
Medium quality: VGA (640 x 480), 15 fps, 768 kbps: 600 kbps (with 661
kbps headers)
High quality: VGA (640 x 480), 30 fps, 2048 kbps: 1319 kbps (with 1372
kbps headers)
MJPEG
Low quality: QVGA (320 x 240), 10 fps, quality 70: 435 kbps with headers
Medium quality: VGA (640 x 480), 15 fps, quality 85: 506 kbps
High quality: SXGA (1280 x 960), 15 fps, quality 95: 8 Mbps
2N TELEKOMUNIKACE a.s., www.2n.cz
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