FPGA implementation of MELP decoder

FPGA implementation of MELP decoder

The MELP (Mixed Excitation Linear Prediction) Vocoder uses a mixture of noise and pulses in the synthesizer to simulate the residual signal obtained after LPC spectral whitening of input speech. This mixture removes the characteristic buzziness from the traditional LPC synthesized speech. In additio...

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Bibliographic Details
Main Author: Tey, Peng Chiou.
Other Authors: Charoensak, Charayaphan
Format: Theses and Dissertations
Published: 2008
Subjects:
DRNTU::Engineering::Computer science and engineering::Computing methodologies::Pattern recognition
Online Access:http://hdl.handle.net/10356/2500
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Institution: Nanyang Technological University
Description
Summary:The MELP (Mixed Excitation Linear Prediction) Vocoder uses a mixture of noise and pulses in the synthesizer to simulate the residual signal obtained after LPC spectral whitening of input speech. This mixture removes the characteristic buzziness from the traditional LPC synthesized speech. In addition, a third voicing state is introduced that removes thumps and tonal noises.

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