https://de.wikipedia.org/w/index.php?action=history&feed=atom&title=Differential_Pulse_Code_Modulation
Differential Pulse Code Modulation - Versionsgeschichte
2025-06-06T06:10:13Z
Versionsgeschichte dieser Seite in Wikipedia
MediaWiki 1.45.0-wmf.4
https://de.wikipedia.org/w/index.php?title=Differential_Pulse_Code_Modulation&diff=174454319&oldid=prev
Aka: Literaturangabe überarbeitet, deutsch
2018-02-27T19:15:48Z
<p>Literaturangabe überarbeitet, deutsch</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 27. Februar 2018, 21:15 Uhr</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Funktionsweise ==</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Funktionsweise ==</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[Datei:V2eng.png|<del style="font-weight: bold; text-decoration: none;">thumb</del>|<del style="font-weight: bold; text-decoration: none;">upright</del>=1.5|Vereinfachtes DPCM-System mit Encoder (Modulator) und Decoder (Demodulator)]]</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[Datei:V2eng.png|<ins style="font-weight: bold; text-decoration: none;">mini</ins>|<ins style="font-weight: bold; text-decoration: none;">hochkant</ins>=1.5|Vereinfachtes DPCM-System mit Encoder (Modulator) und Decoder (Demodulator)]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Ein DPCM-System besteht aus einem Encoder (Modulator) und einem Decoder (Demodulator) mit einem dazwischen liegenden [[Kanal (Informationstheorie)|Kanal]]. Aus der zu übertragenden [[Folge (Mathematik)|Folge]] der Datenquelle, in nebenstehender Abbildung mit ''x[n]'' bezeichnet, wird zunächst die Differenzfolge ''e[n]'' gebildet:</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Ein DPCM-System besteht aus einem Encoder (Modulator) und einem Decoder (Demodulator) mit einem dazwischen liegenden [[Kanal (Informationstheorie)|Kanal]]. Aus der zu übertragenden [[Folge (Mathematik)|Folge]] der Datenquelle, in nebenstehender Abbildung mit ''x[n]'' bezeichnet, wird zunächst die Differenzfolge ''e[n]'' gebildet:</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|Autor = John G. Proakis, Masoud Salehi</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|Autor = John G. Proakis, Masoud Salehi</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|Titel = Communication Systems Engineering</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|Titel = Communication Systems Engineering</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>|Verlag = Prentice Hall | Auflage = 2. | Jahr = 2002 | ISBN = 0-13-095007-6 }}</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>|Verlag = Prentice Hall | Auflage = 2. | Jahr = 2002 <ins style="font-weight: bold; text-decoration: none;">| Ort = Upper Saddle River NJ</ins>| ISBN = 0-13-095007-6 }}</div></td>
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Aka
https://de.wikipedia.org/w/index.php?title=Differential_Pulse_Code_Modulation&diff=149090888&oldid=prev
Aka: /* Funktionsweise */ Tippfehler entfernt
2015-12-15T17:17:55Z
<p><span class="autocomment">Funktionsweise: </span> Tippfehler entfernt</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 15. Dezember 2015, 19:17 Uhr</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>:<math>e[n] = x[n] - x_D[n-1] \,</math></div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><math>e[n]</math> wird dem [[Quantisierung (Signalverarbeitung)|Quantisierer]] ''Q'' <del style="font-weight: bold; text-decoration: none;">zugefürt</del>, welcher daraus das digitale Signal <math>e_Q[n]</math> bildet. Dieses wird sowohl über den Kanal zum Decoder übertragen, als auch einer Additionsstufe zugeführt, welche</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><math>e[n]</math> wird dem [[Quantisierung (Signalverarbeitung)|Quantisierer]] ''Q'' <ins style="font-weight: bold; text-decoration: none;">zugeführt</ins>, welcher daraus das digitale Signal <math>e_Q[n]</math> bildet. Dieses wird sowohl über den Kanal zum Decoder übertragen, als auch einer Additionsstufe zugeführt, welche</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>:<math>x_D[n] = e_Q[n] + x_D[n-1] \,</math></div></td>
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Aka
https://de.wikipedia.org/w/index.php?title=Differential_Pulse_Code_Modulation&diff=138673792&oldid=prev
Leyo: korrektes hochgestelltes Minuszeichen
2015-02-10T00:42:38Z
<p>korrektes hochgestelltes <a href="/wiki/Minuszeichen" title="Minuszeichen">Minuszeichen</a></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 10. Februar 2015, 02:42 Uhr</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>:<math>x_D[n] = e_Q[n] + x_D[n-1] \,</math></div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>bildet. Der Wert wird für die Dauer einer Abtastperiode gespeichert, in der Abbildung dargestellt als ''z''<sup><del style="font-weight: bold; text-decoration: none;">-1</del></sup>. Der Ausgang des Speicherelements ({{EnS|''Tap''}}) wird der Eingangsstufe zur Differenzbildung zugeführt.</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>bildet. Der Wert wird für die Dauer einer Abtastperiode gespeichert, in der Abbildung dargestellt als ''z''<sup><ins style="font-weight: bold; text-decoration: none;">−1</ins></sup>. Der Ausgang des Speicherelements ({{EnS|''Tap''}}) wird der Eingangsstufe zur Differenzbildung zugeführt.</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Alternativ existiert auch ein weiteres DPCM-Verfahren, welches am Eingang direkt die Differenz zwischen zwei Eingangswerten in der Form </div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Alternativ existiert auch ein weiteres DPCM-Verfahren, welches am Eingang direkt die Differenz zwischen zwei Eingangswerten in der Form </div></td>
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Leyo
https://de.wikipedia.org/w/index.php?title=Differential_Pulse_Code_Modulation&diff=136168571&oldid=prev
137.226.198.53: Rechtschreibung korrigiert
2014-11-25T13:28:36Z
<p>Rechtschreibung korrigiert</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 25. November 2014, 15:28 Uhr</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Funktionsweise ==</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Datei:V2eng.png|thumb|upright=1.5|Vereinfachtes DPCM-System mit Encoder (Modulator) und Decoder (Demodulator)]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Datei:V2eng.png|thumb|upright=1.5|Vereinfachtes DPCM-System mit Encoder (Modulator) und Decoder (Demodulator)]]</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Ein DPCM-System besteht aus einem Encoder (Modulator) und einem Decoder (Demodulator) mit einem dazwischen liegenden [[Kanal (Informationstheorie)|Kanal]]. Aus der <del style="font-weight: bold; text-decoration: none;">zur</del> übertragenden [[Folge (Mathematik)|Folge]] der Datenquelle, in nebenstehender Abbildung mit ''x[n]'' bezeichnet, wird zunächst <del style="font-weight: bold; text-decoration: none;">das</del> Differenzfolge ''e[n]'' gebildet:</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Ein DPCM-System besteht aus einem Encoder (Modulator) und einem Decoder (Demodulator) mit einem dazwischen liegenden [[Kanal (Informationstheorie)|Kanal]]. Aus der <ins style="font-weight: bold; text-decoration: none;">zu</ins> übertragenden [[Folge (Mathematik)|Folge]] der Datenquelle, in nebenstehender Abbildung mit ''x[n]'' bezeichnet, wird zunächst <ins style="font-weight: bold; text-decoration: none;">die</ins> Differenzfolge ''e[n]'' gebildet:</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>:<math>e[n] = x[n] - x_D[n-1] \,</math></div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>:<math>e[n] = x[n] - x_D[n-1] \,</math></div></td>
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<td colspan="2" class="diff-lineno">Zeile 13:</td>
<td colspan="2" class="diff-lineno">Zeile 13:</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>bildet. Der Wert wird für die Dauer einer Abtastperiode gespeichert, in der Abbildung dargestellt als ''z''<sup>-1</sup>. Der Ausgang des Speicherelements ({{EnS|''Tap''}}) wird der Eingangsstufe zur Differenzbildung zugeführt.</div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>bildet. Der Wert wird für die Dauer einer Abtastperiode gespeichert, in der Abbildung dargestellt als ''z''<sup>-1</sup>. Der Ausgang des Speicherelements ({{EnS|''Tap''}}) wird der Eingangsstufe zur Differenzbildung zugeführt.</div></td>
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<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td class="diff-marker" data-marker="−"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Alternativ existiert auch <del style="font-weight: bold; text-decoration: none;">eine</del> weiteres DPCM-Verfahren, welches am Eingang direkt die Differenz zwischen zwei Eingangswerten in der Form </div></td>
<td class="diff-marker" data-marker="+"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Alternativ existiert auch <ins style="font-weight: bold; text-decoration: none;">ein</ins> weiteres DPCM-Verfahren, welches am Eingang direkt die Differenz zwischen zwei Eingangswerten in der Form </div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>:<math>e'[n] = x[n] - x[n-1] \,</math> </div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>:<math>e'[n] = x[n] - x[n-1] \,</math> </div></td>
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<td colspan="2" class="diff-lineno">Zeile 27:</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>:<math>e_p[n] = x[n] - \sum_{i=1}^p a_i \cdot x_D[n-i] \,</math></div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>:<math>e_p[n] = x[n] - \sum_{i=1}^p a_i \cdot x_D[n-i] \,</math></div></td>
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<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td class="diff-marker" data-marker="−"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>mit den [[Prädiktion]]skoeffizienten <math>a_i</math> welche Gewichtungsfaktoren darstellen. Je nachdem wie diese Prädiktionskoeffizienten in Relation zu dem Verlauf der Eingangssignalfolge <math>x[n]</math> gewählt sind, lässt sich das Differenzsignal im Umfang, bei <del style="font-weight: bold; text-decoration: none;">konstanten</del> [[Informationsgehalt]], reduzieren.</div></td>
<td class="diff-marker" data-marker="+"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>mit den [[Prädiktion]]skoeffizienten <math>a_i</math> welche Gewichtungsfaktoren darstellen. Je nachdem wie diese Prädiktionskoeffizienten in Relation zu dem Verlauf der Eingangssignalfolge <math>x[n]</math> gewählt sind, lässt sich das Differenzsignal im Umfang, bei <ins style="font-weight: bold; text-decoration: none;">konstantem</ins> [[Informationsgehalt]], reduzieren.</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Einzelnachweise ==</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Einzelnachweise ==</div></td>
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137.226.198.53
https://de.wikipedia.org/w/index.php?title=Differential_Pulse_Code_Modulation&diff=129174736&oldid=prev
141.59.39.233 am 3. April 2014 um 14:54 Uhr
2014-04-03T14:54:16Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Nächstältere Version</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 3. April 2014, 16:54 Uhr</td>
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<td colspan="2" class="diff-lineno">Zeile 1:</td>
<td colspan="2" class="diff-lineno">Zeile 1:</td>
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<td class="diff-marker" data-marker="−"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Die {{lang|en|'''Differential Pulse Code Modulation'''}} ('''DPCM''') ist ein [[Pulsmodulation]]verfahren das ein [[zeitdiskretes Signal]] in ein zeit- und wertdiskretes [[Digitalsignal|digitales Signal]] umsetzt. Es stellt eine Erweiterung der [[Puls-Code-Modulation]] (PCM) dar und ist eine Vorstufe zur [[Adaptive Differential Pulse Code Modulation]] (ADPCM). Bei DPCM werden [[Subtraktion|Differenzwerte]] aufeinanderfolgender [[Abtastwert]]e gebildet, was bei Signalfolgen mit hoher [[Autokorrelation]], wie es beispielsweise digitale [[Audiosignal]]e sind, zu einer Datenreduktion führt. DPCM wurde 1950 an den [[Bell Laboratories]] von [[C. Chapin Cutler]] entwickelt.<ref>{{Patent|Erfinder=C. Chapin Cutler|Titel=Differential Quantization of Communication Signals|Land=US|V-Nr=2605361|A-Datum=1950-06-29|V-Datum=1952-07-29}}</ref></div></td>
<td class="diff-marker" data-marker="+"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Die {{lang|en|'''Differential Pulse Code Modulation'''}} ('''DPCM''') ist ein [[Pulsmodulation]]verfahren<ins style="font-weight: bold; text-decoration: none;">,</ins> das ein [[zeitdiskretes Signal]] in ein zeit- und wertdiskretes [[Digitalsignal|digitales Signal]] umsetzt. Es stellt eine Erweiterung der [[Puls-Code-Modulation]] (PCM) dar und ist eine Vorstufe zur [[Adaptive Differential Pulse Code Modulation]] (ADPCM). Bei DPCM werden [[Subtraktion|Differenzwerte]] aufeinanderfolgender [[Abtastwert]]e gebildet, was bei Signalfolgen mit hoher [[Autokorrelation]], wie es beispielsweise digitale [[Audiosignal]]e sind, zu einer Datenreduktion führt. DPCM wurde 1950 an den [[Bell Laboratories]] von [[C. Chapin Cutler]] entwickelt.<ref>{{Patent|Erfinder=C. Chapin Cutler|Titel=Differential Quantization of Communication Signals|Land=US|V-Nr=2605361|A-Datum=1950-06-29|V-Datum=1952-07-29}}</ref></div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Funktionsweise ==</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Funktionsweise ==</div></td>
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141.59.39.233
https://de.wikipedia.org/w/index.php?title=Differential_Pulse_Code_Modulation&diff=123961099&oldid=prev
Plankton314: /* Funktionsweise */ lf
2013-10-30T12:52:00Z
<p><span class="autocomment">Funktionsweise: </span> lf</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 30. Oktober 2013, 14:52 Uhr</td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>:<math>e[n] = x[n] - x_D[n-1] \,</math></div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td class="diff-marker" data-marker="−"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><math>e[n]</math> wird dem [[Quantisierung|Quantisierer]] ''Q'' zugefürt, welcher daraus das digitale Signal <math>e_Q[n]</math> bildet. Dieses wird sowohl über den Kanal zum Decoder übertragen, als auch einer Additionsstufe zugeführt, welche</div></td>
<td class="diff-marker" data-marker="+"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><math>e[n]</math> wird dem [[Quantisierung<ins style="font-weight: bold; text-decoration: none;"> (Signalverarbeitung)</ins>|Quantisierer]] ''Q'' zugefürt, welcher daraus das digitale Signal <math>e_Q[n]</math> bildet. Dieses wird sowohl über den Kanal zum Decoder übertragen, als auch einer Additionsstufe zugeführt, welche</div></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>:<math>x_D[n] = e_Q[n] + x_D[n-1] \,</math></div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>:<math>x_D[n] = e_Q[n] + x_D[n-1] \,</math></div></td>
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Plankton314
https://de.wikipedia.org/w/index.php?title=Differential_Pulse_Code_Modulation&diff=117089972&oldid=prev
KLBot2: Bot: 8 Interwiki-Link(s) nach Wikidata (:d:Q1224367) migriert
2013-04-05T00:57:51Z
<p>Bot: 8 <a href="/wiki/Hilfe:Internationalisierung" title="Hilfe:Internationalisierung">Interwiki-Link(s)</a> nach <a href="/wiki/Wikipedia:Wikidata" title="Wikipedia:Wikidata">Wikidata</a> (<a href="https://www.wikidata.org/wiki/Q1224367" class="extiw" title="d:Q1224367">d:Q1224367</a>) migriert</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 5. April 2013, 02:57 Uhr</td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[pl:DPCM]]</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[ru:Дифференциальная импульсно-кодовая модуляция]]</div></td>
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KLBot2
https://de.wikipedia.org/w/index.php?title=Differential_Pulse_Code_Modulation&diff=105021835&oldid=prev
GenaroEnriqueMiguel am 30. Juni 2012 um 11:18 Uhr
2012-06-30T11:18:21Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 30. Juni 2012, 13:18 Uhr</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Kategorie:Modulation (Technik)]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[ca:DPCM]]</div></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[en:Differential pulse-code modulation]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[en:Differential pulse-code modulation]]</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[es:DPCM]]</div></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[eu:DPCM]]</div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[eu:DPCM]]</div></td>
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<td class="diff-marker"><a class="mw-diff-movedpara-left" title="Der Absatz wurde verschoben. Klicken, um zur neuen Stelle zu springen." href="#movedpara_7_0_rhs">⚫</a></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><a name="movedpara_5_0_lhs"></a>[[ja:差分パルス符号変調]]</div></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[nl:DPCM]]</div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[nl:DPCM]]</div></td>
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<td class="diff-marker"><a class="mw-diff-movedpara-right" title="Der Absatz wurde verschoben. Klicken, um zur alten Stelle zu springen." href="#movedpara_5_0_lhs">⚫</a></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><a name="movedpara_7_0_rhs"></a>[[ja:差分パルス符号変調]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[pl:DPCM]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[pl:DPCM]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[ru:Дифференциальная импульсно-кодовая модуляция]]</div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[ru:Дифференциальная импульсно-кодовая модуляция]]</div></td>
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GenaroEnriqueMiguel
https://de.wikipedia.org/w/index.php?title=Differential_Pulse_Code_Modulation&diff=102441054&oldid=prev
Hkoeln: /* Funktionsweise */
2012-04-24T19:04:44Z
<p><span class="autocomment">Funktionsweise</span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Nächstältere Version</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 24. April 2012, 21:04 Uhr</td>
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<td colspan="2" class="diff-lineno">Zeile 11:</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>:<math>x_D[n] = e_Q[n] + x_D[n-1] \,</math></div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>:<math>x_D[n] = e_Q[n] + x_D[n-1] \,</math></div></td>
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<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<tr>
<td class="diff-marker" data-marker="−"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>bildet. Der Wert wird für die Dauer einer Abtastperiode gespeichert, in der Abbildung dargestellt als ''z''<sup>-1</sup>. Der Ausgang des <del style="font-weight: bold; text-decoration: none;">Speicherelemts</del> ({{EnS|''Tap''}}) wird der Eingangsstufe zur Differenzbildung zugeführt.</div></td>
<td class="diff-marker" data-marker="+"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>bildet. Der Wert wird für die Dauer einer Abtastperiode gespeichert, in der Abbildung dargestellt als ''z''<sup>-1</sup>. Der Ausgang des <ins style="font-weight: bold; text-decoration: none;">Speicherelements</ins> ({{EnS|''Tap''}}) wird der Eingangsstufe zur Differenzbildung zugeführt.</div></td>
</tr>
<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
</tr>
<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Alternativ existiert auch eine weiteres DPCM-Verfahren, welches am Eingang direkt die Differenz zwischen zwei Eingangswerten in der Form </div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Alternativ existiert auch eine weiteres DPCM-Verfahren, welches am Eingang direkt die Differenz zwischen zwei Eingangswerten in der Form </div></td>
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Hkoeln
https://de.wikipedia.org/w/index.php?title=Differential_Pulse_Code_Modulation&diff=95299320&oldid=prev
EmausBot: r2.6.4) (Bot: Ändere: en:Differential pulse-code modulation
2011-10-28T10:06:22Z
<p>r2.6.4) (Bot: Ändere: <a href="https://en.wikipedia.org/wiki/Differential_pulse-code_modulation" class="extiw" title="en:Differential pulse-code modulation">en:Differential pulse-code modulation</a></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 28. Oktober 2011, 12:06 Uhr</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[en:Differential pulse-code modulation]]</div></td>
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<td class="diff-marker"><a class="mw-diff-movedpara-left" title="Der Absatz wurde verschoben. Klicken, um zur neuen Stelle zu springen." href="#movedpara_6_0_rhs">⚫</a></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><a name="movedpara_2_0_lhs"></a>[[<del style="font-weight: bold; text-decoration: none;">en</del>:DPCM]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[eu:DPCM]]</div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[eu:DPCM]]</div></td>
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<td class="diff-marker" data-marker="−"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[nl:DPCM]]</div></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[ja:差分パルス符号変調]]</div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[ja:差分パルス符号変調]]</div></td>
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<td class="diff-marker"><a class="mw-diff-movedpara-right" title="Der Absatz wurde verschoben. Klicken, um zur alten Stelle zu springen." href="#movedpara_2_0_lhs">⚫</a></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><a name="movedpara_6_0_rhs"></a>[[<ins style="font-weight: bold; text-decoration: none;">nl</ins>:DPCM]]</div></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[pl:DPCM]]</div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[pl:DPCM]]</div></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[ru:Дифференциальная импульсно-кодовая модуляция]]</div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[ru:Дифференциальная импульсно-кодовая модуляция]]</div></td>
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EmausBot