提升助听器实时语音增强效果，兼顾低延迟与清晰度。
A Multi-stage Low-latency Enhancement System for Hearing Aids
- 分阶段处理幅度与复数域信号，更好利用相位信息。
- 采用非对称窗对，在5毫秒延迟下实现更高频分辨。
- 融合头部旋转与混合信号，提升语音感知表现。
本文提出一种面向ICASSP 2023清晰度挑战赛的端到端系统。主要创新包括：（1）在幅度和复数域构建多阶段处理框架，更有效利用相位信息；（2）采用非对称窗对，在5毫秒延迟约束下实现更高频率分辨率；（3）融合头部旋转信息与混合语音信号，提升增强效果；（4）引入后处理模块，在基线助听放大系统基础上显著提升助听器语音感知指数（HASPI）得分。
原文摘要 · Abstract (English)
This paper proposes an end-to-end system for the ICASSP 2023 Clarity Challenge. In this work, we introduce four major novelties: (1) a novel multi-stage system in both the magnitude and complex domains to better utilize phase information; (2) an asymmetric window pair to achieve higher frequency resolution with the 5ms latency constraint; (3) the integration of head rotation information and the mixture signals to achieve better enhancement; (4) a post-processing module that achieves higher hearing aid speech perception index (HASPI) scores with the hearing aid amplification stage provided by the baseline system.
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