https://lyapple2008.github.io/tags/aec/ Recent content in AEC on BeYoung https://lyapple2008.github.io/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E https://lyapple2008.github.io/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E Hugo -- 0.147.9 zh See this site’s source code here, licensed under GPLv3 · Fri, 31 Jul 2026 22:04:00 +0800 https://lyapple2008.github.io/posts/202607/speex-echo-cancellation/ Fri, 31 Jul 2026 22:04:00 +0800 https://lyapple2008.github.io/posts/202607/speex-echo-cancellation/ 从声学回声模型、自适应滤波与 MDF/AUMDF 原理，深入到 SpeexDSP 1.2.1 mdf.c 工程实现的交互式中文导读。