User Guide

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R20K
Admin Guide
Audio Codec: R20K support four audio codecs: PCMA, PCMU,
G729, G722. Different audio codecs require different bandwidth,
users can enable/disable them according to different network
environment.
Note: Bandwidth consumption and sample rates are as below:
Codec
Bandwidth
Sample Rates
PCMA
64kbit/s
8kHz
PCMU
64kbit/s
8kHz
G729
8kbit/s
8kHz
G722
64kbit/s
16kHz
Video Codec: R20K support H.264 standard, which provides better
video quality at substantially lower bit rates than previous
standards.
Codec Resolution: R20K support four resolutions, QCIF, CIF,
VGA, 4CIF and 720P.
Codec Bitrate: To configure bit rates of video stream.