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Stefan cel Mare
University of Suceava
Faculty of Electrical Engineering and
Computer Science
13, Universitatii Street
Suceava - 720229
ROMANIA

Print ISSN: 1582-7445
Online ISSN: 1844-7600
WorldCat: 643243560
doi: 10.4316/AECE


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2022-Jun-28
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  4/2010 - 15

 HIGH-IMPACT PAPER 

DPCM with Forward Gain-Adaptive Quantizer and Simple Switched Predictor for High Quality Speech Signals

DESPOTOVIC, V. M. See more information about DESPOTOVIC, V. M. on SCOPUS See more information about DESPOTOVIC, V. M. on IEEExplore See more information about DESPOTOVIC, V. M. on Web of Science, PERIC, Z. H. See more information about  PERIC, Z. H. on SCOPUS See more information about  PERIC, Z. H. on SCOPUS See more information about PERIC, Z. H. on Web of Science, VELIMIROVIC, L. See more information about  VELIMIROVIC, L. on SCOPUS See more information about  VELIMIROVIC, L. on SCOPUS See more information about VELIMIROVIC, L. on Web of Science, DELIC, V. D. See more information about DELIC, V. D. on SCOPUS See more information about DELIC, V. D. on SCOPUS See more information about DELIC, V. D. on Web of Science
 
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Download PDF pdficon (1,759 KB) | Citation | Downloads: 1,087 | Views: 3,907

Author keywords
adaptive quantization, companding, correlation, speech processing, prediction

References keywords
speech(7), coding(4)
Blue keywords are present in both the references section and the paper title.

About this article
Date of Publication: 2010-11-30
Volume 10, Issue 4, Year 2010, On page(s): 95 - 98
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2010.04015
Web of Science Accession Number: 000284782700015
SCOPUS ID: 78649687551

Abstract
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In this article DPCM (Differential Pulse Code Modulation) speech coding scheme with a simple switched first order predictor is presented. Adaptation of the quantizer to the signal variance is performed for each particular frame. Each frame is classified as high or low correlated, based on the value of the correlation coefficient, then the selection of the appropriate predictor coefficient and bitrate is performed. Low correlated frames are encoded with a higher bitrate, while high correlated frames are encoded with a lower bitrate without the objectionable loss in quality. Theoretical model and experimental results are provided for the proposed algorithm.


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Cited-By Clarivate Web of Science

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Cited-By SCOPUS

SCOPUS® Times Cited: 11
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Cited-By CrossRef

[1] Modified BTC Algorithm for Audio Signal Coding, TOMIC, S., PERIC, Z., NIKOLIC, J., Advances in Electrical and Computer Engineering, ISSN 1582-7445, Issue 4, Volume 16, 2016.
Digital Object Identifier: 10.4316/AECE.2016.04005
[CrossRef] [Full text]

[2] Speech Technology Progress Based on New Machine Learning Paradigm, Delić, Vlado, Perić, Zoran, Sečujski, Milan, Jakovljević, Nikša, Nikolić, Jelena, Mišković, Dragiša, Simić, Nikola, Suzić, Siniša, Delić, Tijana, Computational Intelligence and Neuroscience, ISSN 1687-5265, Issue , 2019.
Digital Object Identifier: 10.1155/2019/4368036
[CrossRef]

[3] Asymmetrical Two-Level Scalar Quantizer with Extended Huffman Coding for Compression of Laplacian Source, PERIC, Z., NIKOLIC, J., VELIMIROVIC, L., STANKOVIC, M., ALEKSIC, D., Advances in Electrical and Computer Engineering, ISSN 1582-7445, Issue 2, Volume 13, 2013.
Digital Object Identifier: 10.4316/AECE.2013.02006
[CrossRef] [Full text]

[4] Linearization of Optimal Compressor Function and Design of Piecewise Linear Compandor for Gaussian Source, NIKOLIC, J., PERIC, Z., ALEKSIC, D., ANTIC, D., Advances in Electrical and Computer Engineering, ISSN 1582-7445, Issue 4, Volume 13, 2013.
Digital Object Identifier: 10.4316/AECE.2013.04013
[CrossRef] [Full text]

[5] ADPCM Using a Second-order Switched Predictor and Adaptive Quantizer, DESPOTOVIC, V., PERIC, Z., Advances in Electrical and Computer Engineering, ISSN 1582-7445, Issue 3, Volume 11, 2011.
Digital Object Identifier: 10.4316/aece.2011.03010
[CrossRef] [Full text]

[6] Three-Level Delta Modulation for Laplacian Source Coding, DENIC, B., PERIC, Z., DESPOTOVIC, V., Advances in Electrical and Computer Engineering, ISSN 1582-7445, Issue 1, Volume 17, 2017.
Digital Object Identifier: 10.4316/AECE.2017.01014
[CrossRef] [Full text]

[7] Three-Level Delta Modulation with Second-Order Prediction for Gaussian Source Coding, PERIC, Z., DENIC, B., DESPOTOVIC, V., Advances in Electrical and Computer Engineering, ISSN 1582-7445, Issue 3, Volume 18, 2018.
Digital Object Identifier: 10.4316/AECE.2018.03017
[CrossRef] [Full text]

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