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Audio DSP · Feedback Suppression · Production Parameters

2-In/2-Out Feedback Suppression Module

A compact DSP processing module for conference audio, sound reinforcement, microphones and embedded audio equipment. It integrates ADC and DAC and supports independent processing for two channels with PC-based tuning.

2 Inputs / 2 OutputsTwo-channel audio input and output architecture
Automatic Notch FilteringFeedback suppression for microphones and sound reinforcement
10-Band PEQIndependent parametric equalization for both channels
20 × 20 mm5 V supply for compact product integration
CORE CAPABILITIES

Designed for feedback control and on-site tuning

Each channel can be configured independently for audio products that require quick adjustment, stable operation and repeatable production parameters.

ADC

Integrated ADC / DAC

On-module analog-to-digital and digital-to-analog conversion reduces external audio-chain development.

AF

Automatic Notch Filtering

Detects and processes frequencies that are likely to cause acoustic feedback.

PEQ

10-Band PEQ

Independent parametric equalization for both channels supports practical sound calibration.

NG

Independent Noise Gates

Noise-gate and audio processing parameters can be configured separately for each channel.

PC SOFTWARE CONTROL

CDC virtual serial tuning and production parameter management

The PC application connects through the module's CDC virtual serial port for rapid tuning during testing. Parameters can be exported for production or stored directly on the module.

PC tuning software for the 2-in 2-out feedback suppression module
PC tuning interface for dual-channel EQ, automatic notch filtering and parameter management
CONFIRMED SPECIFICATIONS

Confirmed parameters

The following values come from the module information currently provided and can be used as public product specifications.

APPLICATIONS

For embedded audio products

  • Conference microphones and sound reinforcement equipment
  • Speakers, amplifiers and audio front ends
  • Compact audio equipment requiring feedback suppression
  • Products requiring PC tuning and repeatable production parameters

Engineering parameters still to be confirmed

Sample rate, audio input/output levels, frequency response, SNR, THD+N, automatic notch count and range, CDC protocol documentation, module pinout and operating temperature will be published after the specification is complete.

START A PROJECT

Integrate this module into your audio product

For the specification, pinout, CDC protocol or production parameter tool, tell us about the application and expected quantity.

Contact Engineering