An Improved Frame Loss Concealment Algorithm Based on the Mixed Excitation Linear Prediction

Qiang Li; Fang Tian

doi:10.4028/www.scientific.net/AMM.599-601.1387

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 599-601An Improved Frame Loss Concealment Algorithm Based...

An Improved Frame Loss Concealment Algorithm Based on the Mixed Excitation Linear Prediction

Abstract:

An improved frame loss concealment algorithm based on the Mixed Excitation Linear Prediction (MELP) is presented in this paper. It introduces the Future frame to recover the lost frame and the intermediate frame (U/V frame and V/U frame) to determine the type of lost frame more accurately. Meanwhile, it proposes the Lagrange polynomial approach algorithm and the linear prediction algorithm to recover the parameters of lost frames in different frame types. The PESQ-MOS test shows that the synthetic speech quality has been improved with the algorithm which this paper has proposed.

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Periodical:

Applied Mechanics and Materials (Volumes 599-601)

Pages:

1387-1392

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.599-601.1387

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Online since:

August 2014

Authors:

Qiang Li*, Fang Tian

Keywords:

Frame Loss Concealment, Intermediate Frame, MELP

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References

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