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Use the DSP Usage Current Statistics window to view DSP resource usage, per codec. 

On the SBC main screen, go to Monitoring > System > DSP Res > DSP Usage Current Statistics or 
All > System > DSP Res > DSP Usage Current Statistics

The DSP Usage Current Statistics window opens.

DSP Usage Current Statistics Window

The following statistics appear for each codec.  Statistics are collected once per second.

  • <codec>Peak Used Count – The peak number of resources used for the specified codec since the SBC started up.
  • <codec>Average Used Count – The running average number of used DSP resources for the specified codec since the SBC started up.
  • <codec>Average Avail Count – The running average number of free DSP resources for the specified codec since the SBC started up.

The following codecs appear:

  • G729
  • G726
  • G711Packet 
  • G711SSPacket (silence suppression)
  • G723
  • Ilbc
  • Evrcb0
  • Amr 
  • Amrwb
  • G722
  • Tone
  • Evrc 
  • G7221 
  • Efr 
  • G729V8
  • G726V8
  • G711Packet V8
  • G711SSPacket V8
  • G723V8 
  • Ilbc V8 
  • G722V8 
  • G7221V8
  • Opus
  • Silk8 
  • Silk16

NOTE: When collecting statistics, the following are considered separate codecs:

(PSX) Codec SelectionsNB/WB

Coding Rates

(Kbps)

Packetization Periods

(ms)

AMR with T.140 (DSP-PAD)

NBSame for all AMR20, 40, 60, 80
AMR-WB with T.140 (DSP PAD)WBSame for all AMR-WB20, 40, 60, 80, 100

For more information, refer to Audio Codecs.