Polycom® RMX 1800 Administrator’s Guide
4-46 Polycom, Inc.

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:
1In the Participants list, right click the desired participant and select Participant
Properties.
2Click the Channel Status - Advanced tab.
The Participant Properties - Channel Status - Advanced dialog box is displayed.
SirenLPR_32k
128
Siren22_32k
G.7221C_32k
Siren14_32k
SirenLPR 64
SirenLPR 48
SirenLPR 32
Table 4-15 Siren22Stereo, G.719Stereo and SirenLPR vs Bitrate
Audio Algorithm Minimum Bitrate (kbps)
Siren22Stereo_128k
1024SirenLPRStereo_128k
Siren22Stereo_96k
512
SirenLPRStereo_96k
Siren14Stero_96k
SirenLPRStereo_64k
384
Siren22Stereo_64k
Siren14Stereo_64k
Table 4-14 Siren22 and SirenLPR Mono vs Bitrate (Continued)
Audio Algorithm Minimum Bitrate (kbps)