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DM8000 User Manual
3.1.2 AeC 1 and AeC n Modules
AEC 1 and AEC N modules provide Acoustic Echo Cancellation (AEC). When
designing an AEC processing channel for DM8000, drag in AEC 1 for a single
channel of processing, or drag in AEC N for multiple channels (within the AEC
N module, the user can select up to 8 AEC channels, numbered 1 through 8).
AEC 1 and AEC N Module Icons
AeC 1 and AeC n Component Objects
AEC 1 and AEC N Component Objects
The
AEC Ref 8 Channel
sub-module automatically appears when either AEC 1
or AEC N modules are dragged into the Build Window. This module processes a
signal as a reference baseline for the AEC process.
AeC 1 and AeC n Component Object dialog Boxes
AEC Dialog Box
The
AEC 1
and
AEC N
control dialogue allows the user to select between
AEC
,
NR
and
Bypass
settings.
AEC Advanced Dialog Box
Selecting the
Adv
tab launches an
AEC Advanced
dialogue window,
where you can select between
Non-Linear Processing
options (
OFF
,
Soft
,
Medium
,
Aggressive
).
The following graphic describes a typical AEC system:
Typical AEC system
For DM8000, a typical AEC design will resemble the following graphic:
Typical AEC design in DSP Designer
3.1.3 Ultranet In
UltraNet In
module supports MUSIC GROUP’s own proprietary ULTRANET digital
audio format. ULTRANET audio enters DM8000 through the included ULTRANET IN
port on the rear of the DM8000 hardware unit.
UltraNet In module icon
UltraNet In Component Object
Summary of Contents for DM8000
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