3. Data protection
In digital radio, we need to ensure that the source coding technique produces very high quality, while at the same time preserving this quality all the way to the final receiver, after passing through the transmission channel. In addition to source coding, channel coding is used to add specific protection for the transmission channel in question (see 1 ).
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The error detection strategy is based on a statistical study of errors and their consequences:
we realize that residual errors are errors grouped together in a burst of errors. Error detection must therefore be able to detect a certain number of successive errors;
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Data protection
Conclusion
Bibliography
Standards and norms
Source coding
- Information technology – Coding of moving pictures and associated audio for digital storage media at up to about 1,5 Mbit/s – Part 3: Audio http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=22412 - ISO/IEC 11172-3 - 1993
- Information technology – Generic coding of moving pictures and associated audio information – Part 3: Audio http://www.iso.org/iso/iso_catalogue/catalogue_ics/catalogue_detail_ics.htm?csnumber=22991...
Directories
• EBU (European Broadcasting Union) http://www.ebu.ch
• ETSI (European Telecommunications Standards Institute) http://www.etsi.org
• IEC (International Electrotechnical Commission) http://www.iec.ch
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