Comparison Between 40kb/s ADPCM Algorithms-Reference-Cited by-同舟云学术

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Comparison Between 40kb/s ADPCM Algorithms

Published:2018-10-01 Issue:2 Volume:18 Page:34-36
ISSN:2286-2455
Container-title:The Scientific Bulletin of Electrical Engineering Faculty
language:en
Short-container-title:

Author:

Al-Rawi Muhanned¹,Al-Rawi Muaayed²

Affiliation:

1. University of Ibb , Yemen

2. AL-Mustansiryia University , Iraq

Abstract

Abstract This article deals with developing new modified algorithms of 40kb/s ADPCM. Beside the standard algorithm, three algorithms are developed to reduce the ADPCM distortion. The performances of all algorithms are evaluated with QAM signal at speed of 9.6kb/s. The outcomes demonstrate that the first proposed algorithm outperforms the other algorithms.

Publisher

Walter de Gruyter GmbH

Reference12 articles.

1. [1] 40, 32, 24, 16 kb/s ADPCM, CCITT Recommendation G.726-1990.

2. [2] Z. Markus, “Method of packet loss concealment in ADPCM Codec and ADPCM decoder with PLC circuit”, U.S. Patent 20160148619, 2016.

3. [3] A. Gur, “Non-synchronized ADPCM with discontinuous transmission”, U.S. Patent 9332585, 2016.

4. [4] A. Shibuta, “Wireless communication device and communication terminal”, U.S. Patent 9270419, 2016.

5. [5] S. Ragot, “Controlling a noise-shaping feedback loop in a digital audio signal encoder avoiding instability risk of the feedback”, U.S. Patent 9489961, 2016.

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