A novel hierarchical decomposition vector quantization method for high-order LPC parameters
L Wang, Z Chen, F Yin - IEEE/ACM Transactions on Audio …, 2014 - ieeexplore.ieee.org
The paper investigates vector quantization coding of high-order (eg, 20th-50th order) linear
prediction coding (LPC) parameters, and proposes a novel hierarchical decomposition …
prediction coding (LPC) parameters, and proposes a novel hierarchical decomposition …
[PDF][PDF] An improvement of the triangular inequality elimination algorithm for vector quantization
CJ Huang, CY Yeh, SH Hwang - Appl. Math. Inf. Sci, 2015 - naturalspublishing.com
This study proposes an improvement of the triangular inequality elimination (TIE) algorithm
for vector quantization (VQ). More than 26% additional computation saving is achieved. The …
for vector quantization (VQ). More than 26% additional computation saving is achieved. The …
A search complexity improvement of vector quantization to immittance spectral frequency coefficients in AMR-WB speech codec
BJ Yao, CY Yeh, SH Hwang - Symmetry, 2016 - mdpi.com
An adaptive multi-rate wideband (AMR-WB) code is a speech codec developed on the basis
of an algebraic code-excited linear-prediction (ACELP) coding technique, and has a double …
of an algebraic code-excited linear-prediction (ACELP) coding technique, and has a double …
[PDF][PDF] Usefulness Of Speech Coding in Voice Banking
Voice banking is an excellent telephone banking service by which a user can access his
account for any service at any time of a day, in a year. The speech techniques involved in …
account for any service at any time of a day, in a year. The speech techniques involved in …
An Efficient VQ Codebook Search Algorithm Applied to AMR-WB Speech Coding
CY Yeh - Symmetry, 2017 - mdpi.com
The adaptive multi-rate wideband (AMR-WB) speech codec is widely used in modern mobile
communication systems for high speech quality in handheld devices. Nonetheless, a major …
communication systems for high speech quality in handheld devices. Nonetheless, a major …
[PDF][PDF] High-efficiency Vector Quantization Codebook Search Algorithms for Extended Adaptive Multi-rate-wideband Audio Coder.
CY Yeh, HY Lai - Sensors & Materials, 2019 - pdfs.semanticscholar.org
The extended adaptive multi-rate-wideband (AMR-WB+) is a standard audio codec
stipulated by the 3rd Generation Partnership Project (3GPP). It has been experimentally …
stipulated by the 3rd Generation Partnership Project (3GPP). It has been experimentally …
Coefficient splitting structure for vector quantization bit allocation and dequantization
A method and apparatus to convert a linear predictive coding (LPC) coefficient into a
coefficient having order characteristics, such as a line spectrum frequency (LSF), and to …
coefficient having order characteristics, such as a line spectrum frequency (LSF), and to …
Low Bit Rate Speech Coding Using Lattice Vector Quantization and Time-Scale Modification
Q **ao, L Chen, C Geng - Advanced Materials Research, 2012 - Trans Tech Publ
This paper presents a low bit rate speech coder based on predictive lattice vector
quantization (PLVQ) and time-scale modification (TSM). The coding model of proposed …
quantization (PLVQ) and time-scale modification (TSM). The coding model of proposed …
Quantification des coefficients LSF application au cordage CELP
A Boukhari - 2005 - ccdz.cerist.dz
Résumé L'objet de ce travail est d'améliorer ce standard en proposant de nouvelles
méthodes de quantification plus efficaces et ceci dans le but de réduire le débit alloué à ces …
méthodes de quantification plus efficaces et ceci dans le but de réduire le débit alloué à ces …
[CITAAT][C] DEVICE AND METHOD FOR EFFICIENTLY ENCODING QUANTIZATION PARAMETERS OF SPECTRAL COEFFICIENT CODING
LIU ZONGXIAN, O MASAHIRO