Compared with the traditional adaptive feedbacksuppressor, this system has been added a new component, the residual echo suppressor component.
与传统的自适应的方法比较，增加了系统识别和驻波抑制的相关模块，一定程度的提高了传声增益。
2
The features and applicability of effect instrument, aural eniter, and feedback sound suppressor with different kinds of connecting methods are analyzed.
The paper presents the suppressor supply's feedback control circuits and also its fault detection circuit. As to the status and control signals, the control logic and interface board were designed.