Polycom 1500/1800/2000/4000 User Manual

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

Siren7