LSP transcoding method between 3GPP AMR-NB and ITU-T G.729A based on GMM - 文章详情页

作者：

Liu, Zhang-Yu (Liu, Zhang-Yu.) | Bao, Chang-Chun (Bao, Chang-Chun.) (学者：鲍长春) | Qiu, Jian-Wei (Qiu, Jian-Wei.) | Xu, Hao (Xu, Hao.)

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EI Scopus PKU CSCD

摘要：

An　efficient　transcoding　algorithm　of　LSP　(line　spectrum　pairs)　parameters　based　on　GMM　(Gaussian　mixture　model)　was　proposed　and　implemented　through　the　mathematical　analysis　of　GMM.　Meanwhile,　several　practical　issues　in　details　were　analyzed　under　experiments.　The　experiments　indicate　that　the　computational　complexity　of　the　proposed　LSP　transcoding　algorithm　is　reduced　by　above　78%　and　the　transcoded　speech　quality　is　not　worse　than　DTE　method.

关键词：

Communication Gaussian distribution

作者机构：

[ 1 ] [Liu, Zhang-Yu]Speech and Audio Signal Processing Lab, School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Bao, Chang-Chun]Speech and Audio Signal Processing Lab, School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Qiu, Jian-Wei]Speech and Audio Signal Processing Lab, School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Xu, Hao]Speech and Audio Signal Processing Lab, School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China

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