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<dc:title xml:lang="pl"><![CDATA[Enhancement of Ground-to-Aircraft Communication Using Audio Watermarking, Journal of Telecommunications and Information Technology, 2019, nr 1]]></dc:title>
<dc:creator><![CDATA[Dymarski, Przemysław]]></dc:creator>
<dc:subject xml:lang="pl"><![CDATA[audio watermarking]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[aviation radio services]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[SEL-CAL]]></dc:subject>
<dc:description xml:lang="pl"><![CDATA[This paper presents research on improving the intelligibility of spoken messages transmitted to aircraft from a ground station. The proposed solution is based on the selective calling (SELCAL) system and the audio watermarking technique. The most important elements of a spoken message (commands, numerical values) are transmitted as a watermark embedded in the speech signal and are displayed to the cockpit crew. The synchronization signal is embedded in SELCAL duo-tones. The proposed system is resistant to resampling and channel noise (at SNR > 25 dB).]]></dc:description>
<dc:publisher><![CDATA[Instytut Łączności - Państwowy Instytut Badawczy]]></dc:publisher>
<dc:date><![CDATA[2019, nr 1]]></dc:date>
<dc:type xml:lang="pl"><![CDATA[artykuł]]></dc:type>
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<dc:identifier><![CDATA[ISSN 1509-4553, on-line: ISSN 1899-8852]]></dc:identifier>
<dc:identifier><![CDATA[http://bc.itl.waw.pl/Content/2074/ISSN_1509-4553_1_2019_93.pdf]]></dc:identifier>
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<dc:identifier><![CDATA[oai:bc.itl.waw.pl:2074]]></dc:identifier>
<dc:source xml:lang="pl"><![CDATA[Journal of Telecommunications and Information Technology]]></dc:source>
<dc:language><![CDATA[ang]]></dc:language>
<dc:relation><![CDATA[oai:bc.itl.waw.pl:publication:2362]]></dc:relation>
<dc:rights xml:lang="pl"><![CDATA[Biblioteka Naukowa Instytutu Łączności]]></dc:rights>
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