Unverified50% confidenceFactExact time
现代AEC系统通常采用自适应滤波器（如NLMS或RLS算法）建模扬声器到麦克风之间的声学路径
1
Sources
50%
Confidence
Long-term
Relevance
8/5/2026
First Seen
Sources
LiveKit Agents：构建实时语音AI智能体的开源框架详解
Related Claims
UnverifiedThe core of an adaptive digital filter is the LMS or RLS algorithm, which dynamically models the echo path and updates filter coefficients based on the reference signal played by the speaker.80% similarUnverifiedAcoustic echo cancellation (AEC) algorithms need to build an adaptive model of the speaker output signal and subtract the predicted value from the microphone input in real time, preventing the model from hearing itself and falling into a feedback loop.79% similarVerifiedFull-duplex AI voice requires acoustic echo cancellation (AEC) to prevent the system's own audio playback from being mistakenly interpreted as user input by the microphone76% similar
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