W681308DG Datasheet, PDF (51/64 Pages) Nuvotem Talema – W681308 USB Audio Controller from Nuvoton integrates fast 8051 Microcontroller Unit (MCU)

W681308
XXXX PRODUCT DESCRIPTION
18.
FULL/HALF DUPLEX ACOUSTIC ECHO CANCELLATION(AEC)
The AEC unit removes the echo signal caused by the speaker and room reflections.
18.1 Function Control Registers
Figure 14 illustrates the block diagram of the Full/Half Acoustics Echo Cancellation
Figure 14 Signal flow through Acoustic Echo Cancellation in the speech processor
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