New Methods of Stereo Encoding for FM Radio Broadcasting Based on Digital Technology

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Date
2007-12
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Referee
Mark
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Společnost pro radioelektronické inženýrství
Abstract
The article describes new methods of stereo encoding for FM radio broadcasting. Digital signal processing makes possible to construct an encoder with properties that are not attainable using conventional analog solutions. The article describes the mathematical model of the encoder, on the basis of which a specific program code for DSP was developed. The article further deals with a new method of composite clipping which does not cause impurities in the output spectrum, and at the same time preserves high separation between the left and right audio channels. The application of the new method is useful mainly where there are unwanted signal overshoots on the input of the stereo encoder, e.g., in case of signal transmission from the studio to the transmitter site through a route with psychoacoustic lossy compression of data rate.
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Citation
Radioengineering. 2007, vol. 16, č. 4, s. 12-18. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2007/07_04_012_018.pdf
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Peer-reviewed
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en
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Creative Commons Attribution 3.0 Unported License
http://creativecommons.org/licenses/by/3.0/
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