Control Station Duetto
Introduction
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Requirements for audio and video transmission
The following tables show the required bit rates for audio and video transmission per direction:
Audio transmission for SIP
Video transmission for IoIP
®
(for video codecs MJPEG and HTTP)
Video transmission for SIP (for video codecs H.264 Constrained Baseline and RTP)
ATTENTION:
Under certain circumstances, the required bit rates for video transmission can be higher than the giv-
en values!
Video transmission applies only to the DUETTO series versions EE 980CM and SIP-EE 980CM!
Codec
Sampelrate
Bandwidth
Bitrate
G.711
8 kHz
3.5 kHz
80 kBit/s
G.722
16 kHz
7 kHz
80 kBit/s
Opus
48 kHz
20 kHz
<50 kBit/s
Opus
16 kHz
7 kHz
<50 kBit/s
Speex
16 kHz
7 kHz
<30 kBit/s
Speex
8 kHz
3.5 kHz
<30 kBit/s
Format / resolution
Bit rate
QVGA
1 MBit/s
1)
VGA
3 MBit/s
1)
1)
Applies for a frame rate of 5 fps.
Format / resolution
Bit rate
QVGA
0.8 MBit/s
2)
VGA
2 MBit/s
2)
2)
Applies for a frame rate of 10 fps.