摘要
语音增强技术可极大提高信噪比,解决由于环境噪声引起的语音通讯和识别性能下降的问题。目前常用的语音增强算法有频谱相减法,维纳滤波法,自适应抵消法等。文章提出一种将指向性麦克风和自适应抵消法相结合的方法,在仿真试验中取得了较好的结果。
Speech enhancement can promote SNR, solve the reduction of speech communication and recognition performance because of the environment noise, The spectrum subtraction, wiener filtering and adaptive noise cancellation are common algorithm. A new method of integrating directional microphone and adaptive noise cancellation is presented in the text and had better result in simulation.
出处
《微电子学与计算机》
CSCD
北大核心
2006年第7期202-203,207,共3页
Microelectronics & Computer
关键词
语音增强
信噪比
自适应
指向性麦克风
Speech enhancement, SNR, Adaptive, Directional microphone
