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Chapter 3-Additional Conferencing Information
Polycom, Inc. 3-27
Stereo
The Siren 22Stereo, G.719Stereo and SirenLPR audio algorithms are supported at the
following bit rates.
Monitoring Participant Audio Properties
The audio algorithm used by the participant’s endpoint can be verified in the Participant
Properties - Channel Status dialog box.
To view the participant’s properties during a conference:
1 In the Participants list, right click the desired participant and select Participant
Properties.
2 Click the Channel Status - Advanced tab.
The Participant Properties - Channel Status - Advanced dialog box is displayed.
Table 3-9 Siren22Stereo, G.719Stereo and SirenLPR vs Bitrate
Audio Algorithm Minimum Bitrate (kbps)
Siren22Stereo_128k
1024SirenLPRStereo_128k
G.719Stereo_128k
Siren22Stereo_96k
512
SirenLPRStereo_96k
G.719Stero_96k
Siren14Stero_96k
SirenLPRStereo_64k
384
G.719Stereo_64k
Siren22Stereo_64k
Siren14Stereo_64k