摘要
阐述了预回声的概念和产生机理,对几种抑制预回声方法的基本思想和实现手段进行了讨论,并简要介绍了它们在PAC中的应用。
In this paper concept of pre echoes was explained then several schemes to reduce pre echo artifacts were presented with their basic ideas and implementary approachesas well as brief introductions to their applications in PAC.
出处
《电声技术》
北大核心
2000年第11期15-18,共4页
Audio Engineering
关键词
感知音频编码
预回声
掩蔽效应
语音信号处理
perceptual audio coding pre echoes quantization noise masking effect