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2009•Computer Engineering and Applications JournalRequires access

Improved linear predictive speech coding technique and realizes

Liu Gui-bin

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Abstract

The Linear Prediction Coding (LPC) is an important technology to realize speech coding.In this paper,the linear prediction coding technology’s realization is introduced,and an improved sound excited linear prediction speech coding method is recommended.Finally,this paper compares the simple LPC speech coding and the sound excited LPC speech coding.The experimental results demonstrate that the method can achieve speech coding well,moreover the sound effect is more ideal than simple LPC.

About this research paper

What this paper is about

The Linear Prediction Coding (LPC) is an important technology to realize speech coding.In this paper,the linear prediction coding technology’s realization is introduced,and an improved sound excited linear prediction speech coding method is recommended.Finally,this paper compares the simple LPC speech coding and the sound excited LPC speech coding.The experimental results demonstrate that the method can achieve speech coding well,moreover the sound effect is more ideal than simple LPC.

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Method / approach

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Available abstract

The Linear Prediction Coding (LPC) is an important technology to realize speech coding.In this paper,the linear prediction coding technology’s realization is introduced,and an improved sound excited linear prediction speech coding method is recommended.Finally,this paper compares the simple LPC speech coding and the sound excited LPC speech coding.The experimental results demonstrate that the method can achieve speech coding well,moreover the sound effect is more ideal than simple LPC.

Key concepts: Linear predictive coding, Speech coding, Linear prediction, Vector sum excited linear prediction, Code-excited linear prediction, Computer science, Speech recognition, Coding (social sciences)

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