Unverified50% confidenceFactExact time
The history of Acoustic Echo Cancellation (AEC) technology can be traced back to research conducted at AT&T Bell Laboratories in the 1960s.
1
Sources
50%
Confidence
Long-term
Relevance
8/4/2026
First Seen
Sources
LiveKit Agents：构建实时语音AI智能体的开源框架详解
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