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Line 4: :Yes, good catch; it's needed in the type 2 encoder as well. Maybe you can alert the editor who made the figure... [[User:Dicklyon\|Dicklyon]] ([[User talk:Dicklyon\|talk]]) 17:19, 21 May 2009 (UTC) Q<sup>-1</sup> is horribly wrong! Quantization is not invertible. Option 1 is only possible if no quantization is done and the compression algorithm is lossless. The whole article has a lot of errors. == Please make it more 'audible' ==

Talk:Differential pulse-code modulation: Difference between revisions