首页>
外国专利>
DATA AIDED METHOD FOR ROBUST DIRECTION OF ARRIVAL (DOA) ESTIMATION IN THE PRESENCE OF SPATIALLY-COHERENT NOISE INTERFERERS
DATA AIDED METHOD FOR ROBUST DIRECTION OF ARRIVAL (DOA) ESTIMATION IN THE PRESENCE OF SPATIALLY-COHERENT NOISE INTERFERERS
展开▼
机译：存在空间相干噪声干扰时的鲁棒方向估计（DOA）数据辅助方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
A method and apparatus to determine a direction of arrival (DOA) of a talker in the presence of a source of spatially-coherent noise. A time sequence of audio samples that include the spatially-coherent noise is received and buffered. Aided by previously known data, a trigger point is detected in the time sequence of audio samples when the talker begins to talk. The buffered time sequence of audio samples is separated into a noise segment and a signal-plus-noise segment based on the trigger point. For each direction of a plurality of distinct directions: an energy difference is computed for the direction between the noise segment and the signal-plus-noise segment, and the DOA of the talker is selected as the direction of the plurality of distinct directions having a largest of the computed energy differences.
展开▼
