音频信号动态范围的可逆无失真压缩

2019 Systems of Signals Generating and Processing in the Field of on Board Communications Pub Date : 2019-03-01 DOI:10.1109/sosg.2019.8706768

V. G. Taktakishvili, O. Popov, V. Abramov, A. A. Ovchinnikov

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引用次数: 1

摘要

考虑了声信号的传输和存储问题。研究表明，现有系统不能提供自然动态范围的信号传输。用于压缩和恢复音频信号的算法导致失真，并且仅相对于暂停中的噪声增加信噪比。考虑了一种既能保持信号形状又能提高信号暂停和背景信噪比的算法。给出了客观测量结果，验证了算法的有效性。

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Reversible Non-Distorting Compression of the Dynamic Range of the Audio Signal

The problems of sound signal transmission and storage are considered. It is shown that the existing systems do not provide signal transmission with natural dynamic range. The algorithms used to compress and restore the audio signal lead to distortions and increase the signal-to-noise ratio only relative to the noise in the pause. An algorithm that ensures the preservation of the signal shape and increases the signal-to-noise ratio in the pause and on the signal background is considered. The results of objective measurements confirming the efficiency of the algorithm are presented.

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2019 Systems of Signals Generating and Processing in the Field of on Board Communications

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