The 2nd Clarity Enhancement Challenge for Hearing Aid Speech Intelligibility Enhancement: Overview and Outcomes
The 2nd Clarity Enhancement Challenge for Hearing Aid Speech Intelligibility Enhancement: Overview and Outcomes
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DOI：
10.1109/icassp49357.2023.10094918
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发表时间：
2023-06
期刊：
影响因子：
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通讯作者：
M. Akeroyd;W. Bailey;J. Barker;T. Cox;J. Culling;S. Graetzer;G. Naylor;Zuzanna Podwinska;Zehai Tu
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文献类型：
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作者：
M. Akeroyd;W. Bailey;J. Barker;T. Cox;J. Culling;S. Graetzer;G. Naylor;Zuzanna Podwinska;Zehai Tu
本文报告了第二届清晰度增强挑战赛 (CEC2) 的设计和结果，该挑战赛旨在激发助听器语音清晰度增强的新方法。这项挑战是让听众在嘈杂的家庭环境中关注目标说话者。该挑战赛在许多关键方面扩展了上一版本 CEC1：场景有多种干扰源，包括语音、噪音和音乐； Ambisonics 用于模拟听众头部运动；提供目标说话人身份以鼓励说话人提取方法。系统通过 HASPI 清晰度指标和听力障碍听众小组的听力测试进行评估。该论文回顾了提交的 18 个系统，从增强和放大阶段描述了它们。 HASPI 被认为是听众表现的良好预测指标。顶级系统采用精心设计的神经方法，可为复杂场景生成高度清晰的信号，信噪比低至 -12 dB，同时满足 5 毫秒延迟限制的挑战。
This paper reports on the design and outcomes of the 2nd Clarity Enhancement Challenge (CEC2), a challenge for stimulating novel approaches to hearing-aid speech intelligibility enhancement. The challenge was for a listener attending to a target speaker in a noisy, domestic environment. The challenge extends the previous edition, CEC1, in a number of key respects: scenes have multiple interferers including speech, noise and music; ambisonics are used to model listener head movement; target speaker identity is provided to encourage speaker extraction approaches. Systems are evaluated both via the HASPI intelligibility metric and with listening tests using a panel of hearing-impaired listeners. The paper reviews the 18 systems that were submitted describing them in terms of their enhancement and amplification stages. HASPI is seen to be a good predictor of listener performance. The top system, using carefully engineered neural approaches, produces highly intelligible signals for complex scenes with SNRs down to -12 dB while obeying the challenges 5 ms latency constraint.