A new sound source localization and tracking method based on microphone array is presented for speaker tracking problem in noisy and reverberant environments. 针对噪声与混响环境下的说话人跟踪问题,本文提出了一种基于粒子滤波的麦克风阵列声源定位与跟踪方法。
How listeners are able to detect and identify individual sound sources in noisy, reverberant environments is one of the most intriguing questions in auditory perception. 听觉研究面临的一个重要问题是在嘈杂混响环境下听者是如何识别目标声源的。
Recognizing speech in noisy, reverberant environments is more difficult for old listeners than for young listeners. 老年人在嘈杂混响环境下会面临更大的言语识别困难。
A Robust Time Delay Estimation Algorithm in Spatial Noisy and Reverberant Environment 混响和空间噪声环境下的鲁棒时延估计方法
This results in exceptional speech articulation even in reverberant spaces with poor acoustics. 即使在恶劣的声学混响空间这将导致在特殊语音清晰度。
Design of Reverberant Room for Noise Measurement of Ventilators 空调风机噪声混响实验室的设计研究
Preliminary study of statistical properties in linear and nonlinear reverberant sound fields 线性和非线性单频混响声场空间起伏的初步研究
In this paper, the measurement of sound transmission loss ( TL) is carried out with "reverberant chamber-receiving box approach" for elastic-viscoelastic laminated damping panels ( EVLDP) with varying geometric and physical parameters. 本文用混响室消声箱法对具有不同几何和物理参数配置的弹性粘弹性阻尼复合板传声损失(TL)进行了系统的实验测量。
Speech Recognition Methods in Reverberant Environments 混响声场中语音识别方法研究
A robust method based on linear regression for speech signal time delay estimation is presented and it is proved better performance than GCC method through experiment in the reverberant rooms. 给出了一种基于时间到达差的声源定位在处于混响环境下时延估计的有效算法并通过实验验证了该算法。
Research of Speech Recognition in Reverberant Environments 混响声场中语音识别的未来与发展研究
Relation between acoustical absorption coefficient α and loss factor η in reverberant field with statistical energy analysis ( SEA) was derived using concise statistical acoustical concepts, such as acoustical absorption coefficient α, three-dimension angle, mean free path and surface absorption energy. 本文利用混响声场吸声系数α、立体角、平均自由程及壁面吸收声能等统计声学概念,用简单方法导出混响声场吸声系数α与统计能量分析(SEA)损耗因子η之间的关系。
A new technique for estimating the sea bottom reflection coefficients from the reverberant records 从鸣震记录估计海底反射系数的一种新方法
Active noise control of reverberant sound 噪声的危害与控制sound.混响声场的有源控制
We do research for Ultrasonic spectrum characteristic of the inner void content in carbon-fiber reinforced Composite Materials, finding its average frequency deviation of surface ultrasonic reverberant is relative to void content and ultrasonic attenuation; 对碳纤维复合材料的孔隙率进行超声测试法研究,发现材料前后表面超声回波均值频率偏移量与材料内部孔隙率,与超声信号衰减之间存在着特定关系。
According to the reverberant reciprocity relationship, the interaction force is proportional to the imaginary part of the direct field dynamic stiffness matrix. 根据混响场互易关系,子系统之间的相互作用力正比于直接场动刚度阵的虚部。
So the algorithm can estimate time delay robustly in reverberant and noisy case. ( 3) Aiming at reverberation and spatial noise, an adaptive time delay estimation algorithm based on triple microphone is proposed. 实验结果表明,该算法在混响和有色噪声环境下可以给出稳健的时延估计。(3)针对混响和空间噪声,提出了基于三麦克风的自适应延迟特征值分解时延估计算法。