A new method of analog-to-digital broadcasting

Authors

  • Надія Феліксівна Казакова Odessa National Economic University 8, Preobrazhenskaya str., Оdessa, 65082 Ukraine, Ukraine

DOI:

https://doi.org/10.15587/2312-8372.2013.12105

Keywords:

analog-to-digital broadcasting, stereophonics, monophonic, inversion

Abstract

The article considers a new method of joint analog-to-digital broadcasting in the range of very high frequencies. The method includes a broadcast on the transmitting side of monaural total signal of left and right channels in the frequency band 0,03-15 kHz, and of pilot tone of stereophonic transmission with a frequency 19 kHz, of Radio Data System signal at the frequency of 57 kHz. To transmit the difference signal generated from the frequencies limited to 7 kHz of the left and right channels, we used the balance-modulated signal with the lower and upper sidebands in the frequency range 31-45 kHz. To transmit the digital signal of additional program we used the bands of frequencies 23-30 kHz, and on the transmitting side in the frequency band 46-53 kHz we transmitted the inverted to 180 ° digital signal of the additional programs transmitted in the frequency band 23-30 kHz. Such a construction of the signal spectrum provides the capability to conduct the stereophonic digital broadcasting in the channel of transmission of the main analog transmission maintaining all the basic services and reducing the interference of components of the spectrum.

Author Biography

Надія Феліксівна Казакова, Odessa National Economic University 8, Preobrazhenskaya str., Оdessa, 65082 Ukraine

Ph.D., associate professor

Degree of the Department of Information Systems in Economics

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Published

2013-02-27

How to Cite

Казакова, Н. Ф. (2013). A new method of analog-to-digital broadcasting. Technology Audit and Production Reserves, 1(1(9), 19–21. https://doi.org/10.15587/2312-8372.2013.12105

Issue

Vol. 1 No. 1(9) (2013): Technology audit and production reserves

Section

Technology audit

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Copyright (c) 2016 Надія Феліксівна Казакова

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