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Author:

黄晋维 (黄晋维.) | 鲍长春 (鲍长春.) (Scholars:鲍长春)

Indexed by:

CSCD

Abstract:

实时IP语音通信在数据包会丢失的情况下,语音质量会受到严重影响。为了恢复传输过程中丢失的语音信息,本文提出了一种基于瞬时相位差(Instantaneous Phase Deviation, IPD)和深度神经网络(Deep Neural Network, DNN)的丢包隐藏(Packet Loss Concealment, PLC)方法。在训练阶段,将语音的对数功率谱(Log Power Spectrum, LPS)和IPD作为训练DNN的输入特征,以学习从接收包到丢失包的映射关系;在重构阶段,将丢包前接收到的语音包送入训练好的DNN中,恢复出丢失包的语音。实验结果表明,在不同丢包率下,所提方...

Keyword:

相位特征 丢包隐藏 深度神经网络

Author Community:

  • [ 1 ] 北京工业大学信息学部语音与音频信号处理研究室

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Source :

信号处理

Year: 2021

Issue: 10

Volume: 37

Page: 1791-1798

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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