Polycom 1500/1800/2000/4000 用户手册
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Additional Conferencing Information
Polycom®, Inc.
214
Mono
The Siren 22, G.719, and SirenLPR mono audio algorithms are supported at the following bit rates.
:
Siren22, G.719, and SirenLPR Mono vs Bitrate
Audio Algorithm
Minimum Bitrate (kbps)
Siren22 64k
Siren22 48K
Siren22_32k
G.719_64k
384
G.719_48k
G.719_32k
G.728 16K
G.719_64k
384
SirenLPR_48k
256
Siren22_48K
G.719_48k
G.7221C_48k
Siren14_48k
SirenLPR_32k
128
Siren22_32k
G.719_32k
G.7221C_32k
Siren14_32k
SirenLPR
64
SirenLPR
48
SirenLPR
32
Siren7
16