Automatic Gain Control; Compression - Vidicode Octo Manual

5.1.5

Automatic Gain Control

Automatic Gain Control adjusts the recording level of the local and remote
voice to attain similar audio levels during playback of the recording.
Following the Fax Recording setting as described above the display will
show:
Install Line 1
Auto Gain Control:
NEXT
Automatic Gain Control enabled.
• Press CHANGE to disable or enable Automatic Gain Control.
The audio levels of the local and remote voice may differ substantially for
consecutive calls. Therefore the Automatic Gain Control is enabled as a
standard factory setting.
• Press NEXT to move on to the next menu item or press the line
number to move to the Automatic Gain Control setting of the
corresponding line.
5.1.6

Compression

Speech Compression uses the G.723 High Rate compression standard to
compress the digital data of the recording. Following the Automatic Gain
Control setting as described above the display will show:
Install Line 1
Speech Compression:
NEXT
Speech Compression enabled.
• Press CHANGE to disable or enable Speech Compression.
Speech compression reduces the uncompressed data to 1/10th of the size.
Therefore the compression has a profound effect on the storage capacity of
the Call Recorder in terms of recording time. When compression is turned
Off the G.711 A-law standard is used.
• Press NEXT to move on to the next menu item or press the line
number to move to the Speech compression setting of the
corresponding line.
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Call Recorder manual © Vidicode 2005
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