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感知音频编码中预回声的产生机理与抑制方法 被引量:5

感知音频编码中预回声的产生机理与抑制方法
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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 approachesas well as brief introductions to their applications in PAC.
作者 姜晔 吴镇扬
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
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参考文献3

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同被引文献20

  • 1阎建新,窦维蓓,董在望.音频编码中瞬态信号的时域检测方法[J].电子与信息学报,2006,28(2):307-311. 被引量:2
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  • 6[1]ISO/IEC 13818-7. Information Technology-Generic Coding of Moving Pictures and Associated Audio Information-Part 7:Advanced Audio Coding (AAC). 1997.
  • 7[2]Ted Painter,Andreas Spanias. Perceptual Coding of Digital Audio [DB/OL]. Proceedings of the IEEE,2000,88(4):451-515.
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