Polycom CX5500 Unified Conference Station Administrator’s Guide
1.1.0
Polycom, Inc.
170
Acoustic Echo Cancellation
Your CX5500 system uses advanced acoustic echo cancellation (AEC). See the table
Audio Codecs
Supported on the CX5500 System
for a list of audio codecs available for the CX5500 system and their
priority. The system uses both linear and non-linear techniques to aggressively reduce echo while
permitting natural, full-duplex communication patterns.
Caution: Contact Polycom Support Before Modifying Acoustic Echo Cancellation
Parameters
Consult
Polycom Support
before you make changes to any acoustic echo cancellation parameters.
Audio Codecs
The following table lists the audio codecs supported on the CX500 system.
Audio Codecs Supported on the CX5500 System
Codec
Priority
G.722.1C.48kbps
2
G.722.1C.32kbps
0
G.722.1C.24kbps
0
Siren14.48kbps
3
Siren14.32kbps
0
Siren14.24kbps
0
G.722.1.32kbps
5
G.722.1.24kbps
0
G.722.1.16kbps
0
G.719.64kbps
0
G.719.48kbps
0
G.719.32kbps
0
G.722
4
G.711Mu
6
G.711A
7
Summary of Contents for CX5500
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