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- This paper focuses on the serious problems of the residual noise and the speech aberration brought by the MMSE method for speech enhancement when SNR is low. 摘要 针对MMSE语音增强算法低信噪比时产生较大的语音畸变的缺点,提出了一种结合人耳听觉掩蔽效应的MMSE语音增强算法。
- If the level of residual noise is smaller than the NMT, the human ear cannot perceive the corrupting noise.In this situation the gain factor is set to unity. 相反的,如果残留杂讯比听觉遮蔽阈值大,则人耳听得到该杂讯,因此将增益因子调整小一点,使得干扰杂讯得以被压抑。
- The clutter is predicted exactly and subtracted from the input signal by RLS adaptive filter,leaving components of the target signal in the residual noise. 通过RLS自适应滤波器,背景杂波分量被准确地预测并从输入信号中去除,从而只剩下目标信号与残留噪声。
- In order to remove the residual noise which can not be smoothed by filter, the smoothing coefficient and constrain coefficient were used to threshold the gradient image. 为了消除噪声残留,引入了平滑系数与限制强度系数对梯度图作阈值化处理。
- A loud noise from the street diverted my attention. 街上一阵喧闹声转移了我的注意力。
- The noise awoke her from her revery. 这声音把我她从沉思中惊醒。
- That noise is driving me frantic. 那种噪音真要把我弄疯了。
- The thick walls deadened the noise from the street. 这道厚墙隔绝了街上的噪音。
- A noise abatement notice is served on the club. 向俱乐部发停止大声喧哗的通知。
- The noise of traffic grows louder and louder. 交通的噪音变得愈来愈大。
- The noise struck terror into their hearts. 那声音使他们心里产生恐惧。
- He turned around as he heard a noise behind him. 他听到身后有响声,便转过身来。
- The boy jumped up in surprise at the sudden noise. 突如其来的响声吓得这个男孩跳了起来。
- The loud noise made me leap out of my skin. 这么响的声音吓了我一大跳。
- His nerves were frayed by the noise of traffic. 他被交通噪音弄得神经紧张。
- She feels wearisome by the constant noise. 她很厌烦那些没完没了的嘈杂声。
- The horse shied at the loud noise. 那马听到巨大的响声时惊得往后倒退。
- There is intolerable noise outdoors. 门外是难以忍受的嘈杂声。
- She loved the life, noise, and color of the market. 她爱市场上的生趣、喧哗与多姿多彩。
- The merest noise is enough to wake him. 一丁点儿声音就足以把他吵醒。