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Talk:Differential pulse-code modulation

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This is an old revision of this page, as edited by 188.155.108.64 (talk) at 10:04, 8 January 2011. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Djpark0115 (talk) 07:00, 21 May 2009 (UTC) Q-1 is necessary in the encoder/ecoder diagram of option2 ??[reply]

Yes, good catch; it's needed in the type 2 encoder as well. Maybe you can alert the editor who made the figure... Dicklyon (talk) 17:19, 21 May 2009 (UTC)[reply]

Q-1 is horribly wrong! Quantization is not invertible. Option 1 is only possible if no quantization is done and the compression algorithm is lossless.

Please make it more 'audible'

Please explain the roles of Z-1, the circuitry. —Preceding unsigned comment added by Piotroxp (talk • contribs) 06:51, 19 June 2009 (UTC)[reply]

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