How to Objectively Quantify Acoustic Echo Cancellation Performance

This article introduces a data‑driven, objective evaluation method for Acoustic Echo Cancellation (AEC), detailing test environments, hardware setups, core metrics, single‑talk and double‑talk scenarios, scoring models, and result analysis to help developers assess and improve AEC algorithms across devices.

Acoustic Echo CancellationRTCaudio signal processing

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How to Objectively Quantify Acoustic Echo Cancellation Performance

Kuaishou Audio & Video Technology

Jun 20, 2023 · Artificial Intelligence

How a Low‑Latency Hierarchical Fusion Network Beats Echoes in Real‑Time Calls

At ICASSP 2023, Kuaishou’s audio team presented a low‑latency hierarchical fusion network for full‑band acoustic echo cancellation, detailing its multi‑stage design, asymmetric windowing, loss functions, training strategy, and achieving second place in the non‑personalized AEC Challenge, with real‑world deployment results.

Acoustic Echo CancellationDeep LearningHierarchical Fusion Network

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How a Low‑Latency Hierarchical Fusion Network Beats Echoes in Real‑Time Calls

Kuaishou Tech

Feb 7, 2022 · Artificial Intelligence

Kuaishou Audio Team Wins ICASSP 2022 AEC Challenge Runner‑up and Publishes Two Deep Noise Suppression Papers

The Kuaishou audio team achieved a world‑runner‑up in the ICASSP 2022 Acoustic Echo Cancellation Challenge and had two deep noise suppression papers accepted, showcasing a hybrid traditional‑signal‑processing and deep‑learning system that excels in echo removal, noise reduction, and speech recognition across multiple real‑time communication scenarios.

Acoustic Echo CancellationDeep Noise SuppressionICASSP 2022

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Kuaishou Audio Team Wins ICASSP 2022 AEC Challenge Runner‑up and Publishes Two Deep Noise Suppression Papers

Douyu Streaming

Oct 18, 2021 · Fundamentals

How to Boost Real-Time Audio Quality with Advanced AEC, AGC, and ANC Techniques

This article details a comprehensive redesign of acoustic echo cancellation, automatic gain control, and automatic noise control for real‑time communication, combining WebRTC and Speex to improve delay estimation, linear filtering, and non‑linear processing, and demonstrates superior performance over the original WebRTC solution.

Acoustic Echo CancellationSignal ProcessingSpeex

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How to Boost Real-Time Audio Quality with Advanced AEC, AGC, and ANC Techniques