Professional Access Control Intercom System Echo Cancellation Module, Effectively Eliminate Echo, With Power Amplifier - Instrument Parts & Accessories - AliExpress
A-09 Full Duplex Hand-free Call Echo Cancellation Module--dsp Chip Ath8809 - Air Conditioner Parts - AliExpress
How To Enable Echo / Noise Cancellation Of Microphone Input On Your Linux Desktop (PulseAudio) - Linux Uprising Blog
VoIP Hardware Echo Cancellation | Xorcom - IP PBX (Private Branch Exchange) Developer & Manufacturer, Multi-Tenant PBX, Hotel PBX, Virtual PBX, Call Center PBX / PABX
Echo Cancellation Module Vpmoct128 for Te420, Te220 PCI-E Digium Asterisk Card, VoIP IP PBX - China Echo Cancellation Module and Vpmoct128
Echo Cancellation Module Model : Vpmadt032 For Tdm410p,aex410,tdm800p,aex800,tdm2400p - Communications Parts - AliExpress
Figure 1 from Multi-Channel Noise/Echo Reduction in PulseAudio on Embedded Linux | Semantic Scholar
Full-duplex Hands-free Call Echo Cancellation Module F-23, Support Dual Microphone Mode - Tool Parts - AliExpress
Excellent Performance FM1188 Echo Cancellation Module F18 (supports Full duplex Hands free Echo Cancellation Products)|Instrument Parts & Accessories| - AliExpress
Design of the Echo Cancellation Module, Anti howling, and Full duplex Window Intercom for the Access Control Intercom System|Air Conditioner Parts| - AliExpress
RAD IP Main Link Module with Echo Cancellation - WirelessUnits.com
Stereo Audio Bluetooth Speaker Module Supports AEC Acoustic Echo Cancellation ANC Active Noise Cancellation FSC-BT1036C Manufacturers and Suppliers - Wholesale Products - FEASYCOM
Acoustic Echo Cancellation (AEC) module
with VPMOCT032 Echo Cancellation Module --Tdm410p with 2fxo+2fxs Analog Asterisk Card