A New Multistage Search of Algebraic CELP Codebooks Based on Trellis Coding

Mohammed HALIMI; Abdellah KADDAI; Messaoud BENGHERABI

A New Multistage Search of Algebraic CELP Codebooks Based on Trellis Coding

Mohammed HALIMI, Abdellah KADDAI, Messaoud BENGHERABI

Full Text Views

0

Cite this

Summary :

This paper proposes a new multistage technique of algebraic codebook in CELP coders called Trellis Search inspired from the Trellis Coded Quantization (TCQ). This search technique is implemented into the fixed codebook of the standard G.729 for objective evaluation on a large corpus of a testing speech database. Simulations results show that in terms of computer execution time the proposed search scheme reduces the codebook search by approximately 23% compared to the time of focused search used in the standard G.729. This yields to a reduction of about 8% in the computer execution time of the coder at the cost of a slight degradation of speech quality but perceptually not noticeable. Moreover, this new technique shows better speech quality than the G.729A at the expense of a higher complexity.

Publication: IEICE TRANSACTIONS on Information Vol.E86-D No.3 pp.406-411

Publication Date: 2003/03/01

Publicized

Online ISSN

DOI

Type of Manuscript: Special Section PAPER (Special Issue on Speech Information Processing)

Category: Speech and Audio Coding

Cite this

Copy

Mohammed HALIMI, Abdellah KADDAI, Messaoud BENGHERABI, "A New Multistage Search of Algebraic CELP Codebooks Based on Trellis Coding" in IEICE TRANSACTIONS on Information, vol. E86-D, no. 3, pp. 406-411, March 2003, doi: .
Abstract: This paper proposes a new multistage technique of algebraic codebook in CELP coders called Trellis Search inspired from the Trellis Coded Quantization (TCQ). This search technique is implemented into the fixed codebook of the standard G.729 for objective evaluation on a large corpus of a testing speech database. Simulations results show that in terms of computer execution time the proposed search scheme reduces the codebook search by approximately 23% compared to the time of focused search used in the standard G.729. This yields to a reduction of about 8% in the computer execution time of the coder at the cost of a slight degradation of speech quality but perceptually not noticeable. Moreover, this new technique shows better speech quality than the G.729A at the expense of a higher complexity.
URL: https://global.ieice.org/en_transactions/information/10.1587/e86-d_3_406/_p

Copy

@ARTICLE{e86-d_3_406,
author={Mohammed HALIMI, Abdellah KADDAI, Messaoud BENGHERABI, },
journal={IEICE TRANSACTIONS on Information},
title={A New Multistage Search of Algebraic CELP Codebooks Based on Trellis Coding},
year={2003},
volume={E86-D},
number={3},
pages={406-411},
abstract={This paper proposes a new multistage technique of algebraic codebook in CELP coders called Trellis Search inspired from the Trellis Coded Quantization (TCQ). This search technique is implemented into the fixed codebook of the standard G.729 for objective evaluation on a large corpus of a testing speech database. Simulations results show that in terms of computer execution time the proposed search scheme reduces the codebook search by approximately 23% compared to the time of focused search used in the standard G.729. This yields to a reduction of about 8% in the computer execution time of the coder at the cost of a slight degradation of speech quality but perceptually not noticeable. Moreover, this new technique shows better speech quality than the G.729A at the expense of a higher complexity.},
keywords={},
doi={},
ISSN={},
month={March},}

Copy

TY - JOUR
TI - A New Multistage Search of Algebraic CELP Codebooks Based on Trellis Coding
T2 - IEICE TRANSACTIONS on Information
SP - 406
EP - 411
AU - Mohammed HALIMI
AU - Abdellah KADDAI
AU - Messaoud BENGHERABI
PY - 2003
DO -
JO - IEICE TRANSACTIONS on Information
SN -
VL - E86-D
IS - 3
JA - IEICE TRANSACTIONS on Information
Y1 - March 2003
AB - This paper proposes a new multistage technique of algebraic codebook in CELP coders called Trellis Search inspired from the Trellis Coded Quantization (TCQ). This search technique is implemented into the fixed codebook of the standard G.729 for objective evaluation on a large corpus of a testing speech database. Simulations results show that in terms of computer execution time the proposed search scheme reduces the codebook search by approximately 23% compared to the time of focused search used in the standard G.729. This yields to a reduction of about 8% in the computer execution time of the coder at the cost of a slight degradation of speech quality but perceptually not noticeable. Moreover, this new technique shows better speech quality than the G.729A at the expense of a higher complexity.
ER -