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Mentioned various hierarchical compression schemes |
Changing short description from "Signal processing technique for multiplexing/modulating multiple data streams into one stream, where base- and enhancement-layer symbols are synchronously overplayed before transmission; used in digital TV broadcast for graceful degradation" to "Signal processing technique" (Shortdesc helper) |
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{{Short description|Signal processing technique}}
{{Unreferenced|date=June 2008}}
{{Modulation techniques}}
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