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A machine learning approach for computationally and energy efficient speech enhancement in binaural hearing aids

机译:一种用于双耳助听器中计算和节能语音增强的机器学习方法

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A binaural speech enhancement algorithm that combines superdirective beamforming with time-frequency (TF) masking is proposed. Supervised machine learning is used to design a speechoise classifier that estimates the ideal binary mask (IBM), which is further softened to reduce musical noise. The method is energy-efficient in two ways: the computational complexity is limited and the wireless data transmission optimized. The experimental work demonstrates the ability of the method to increase the intelligibility of speech corrupted by different types of noise in low SNR scenarios.
机译:提出了一种结合超指向性波束成形和时频(TF)掩蔽的双耳语音增强算法。监督式机器学习用于设计语音/噪声分类器,以估计理想的二进制掩码(IBM),并对其进行进一步软化以减少音乐噪音。该方法在两种方面具有能源效率:计算复杂度受到限制,无线数据传输得到了优化。实验工作证明了该方法能够提高在低SNR情况下被不同类型的噪声破坏的语音的清晰度。

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