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Informationen und Ihre Kodierung
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Tags added to the series of this content:WWW (2);
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Links added to the series of this content:Internet- und WWW-Technologien (SS 2012)
Meinel, Sack: Digitale Kommunikation (Buch)
Link zum Buch
Meinel, Sack: Internetworking - Technische Grundlagen und Anwendungen (Buch)
Link zum Buch
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Lecture Structure
- Hasso Plattner (00:00:01)
- Internet und WWW Technologien (00:00:07)
- Einordnung in die Vorlesung (00:00:14)
- Darstellung von Information im Computer (00:03:45)
- Medientypen (00:10:57)
- Zeitunabhängige Medien (00:10:57)
- Zeitabhängige Medien (00:10:57)
- analoge (00:06:37)
- 1 rmat1on (00:06:37)
- Natürliche Information ist analog z B Musik Audioinformation (00:03:45)
- Töne sind charakterisien durch Tonhöhe Klang Lautstärke (00:03:45)
- aber Darstellung im Computer ist digital d h (00:03:45)
- Informationen müssen kodie t werden (00:03:45)
- Textkoclieru ng mit Brailleschrift (00:12:41)
- Textkoclieru ng mit Morsecode (00:16:26)
- Textkoclierung mit Baudot Code (00:19:55)
- Texrkoa erung mit Asc code (1 7) (00:23:48)
- Texrkoa erung mit Asc code (2 7) (00:23:52)
- Texrkoa erung mit Asc code (3 7) (00:24:42)
- Texrkou erung mit sc11 code (4 7) (00:28:50)
- Texrkoa erung mit Asc code (4 7) (00:28:55)
- Textkoa erung mit Asc code (6 7) (00:30:57)
- Textkoclierung mit Asc code (7 7) (00:33:07)
- Textkoclierung mit Unicode (00:35:57)
- SIP Supplementaryldeographic Plane (00:39:04)
- SSP Supplementary Special Purpose (00:39:04)
- BMP Basic MultilingualPlane (00:37:53)
- SMP Supplementary Multilingual Plane (00:37:53)
- 1992 eingeführt Unicode mit 16 Bit dann 21 (32) Bit Kodierung (00:35:57)
- Ermöglicht multilinguale Textverarbeitung (00:35:57)
- Basic Multilingual Plane (BMP Unicode 3 2 0 2002) (00:35:57)
- Textkodierung mit Unicode (00:40:07)
- Information und Entropie (1 8) (00:42:23)
- Information und Entropie (00:45:12)
- Information uncl Entropie (00:50:32)
- Wie wird Information gemessen? (1 5) (00:50:32)
- Bedeutung für Empfänger besitzt Beschreibungskomplexität (00:50:32)
- Information uncl Entropie (5 8) (00:52:25)
- Information und Entropie (00:53:20)
- Wie wird Information gemessen? (5 5) (00:56:51)
- Entropie (00:56:51)
- Wie wird Information gemessen? (4 5) (00:54:55)
- Wie wird Information gemessen? (3 5) (00:53:20)
- abaizbdbcbabbabbd (00:53:20)
- Idee (00:53:20)
- Redundanz (00:59:42)
- Verlustfreie Kodierung (01:03:23)
- Wörterbuch basierte Komprimierung (2 2) (01:08:39)
- Nicht adaptive Komprimierung (01:08:39)
- Adaptive Komprimierung (01:08:39)
- Variante verlustfreier Kodierung (4 4) (01:07:02)
- Adaptive semiadaptive nichtadaptive Komprimierung (01:07:02)
- Varianten verlustfreier Kodierung (3 4) (01:06:34)
- Asym metrische Komprimierung (01:06:34)
- Varianten verlustfreier Kodierung (2 4) (01:04:40)
- Logische Komprimierung (01:04:40)
- Physikalische Komprimierung (01:04:40)
- Varianten verlustfreier Kodierung (1 4) (01:03:23)
- Lauflängenkoclierung (01:10:05)
- Kodierung mit fester Länge (01:10:49)
- Statistische Kodierung (01:12:32)
- Huffman Kodierung (01:14:26)
- Hu fman Kodierung (01:15:17)
- Huffman Kodierung Idee zur Erzeugung eines möglichst ef zienten (also kurzen) (01:16:05)
- Huffman Kodierung (01:17:04)
- Hu fman Kodierung (01:18:59)
- LZW Algorithmus zip (1 3) (01:20:55)
- LZW Algorithmus (01:22:37)
- LZW Algorithmus zip (3 8) (01:23:38)
- (4 Bit Kodierung) (01:23:38)
- möglichen Einträgen (01:23:38)
- Wörterbuch mit 16 (01:23:38)
- Beispiel(1 5) Wollen ABABACDCDAAAAAAE kodieren (01:23:38)
- LZW Algorithmus zip (4 8) (01:24:44)
- LZW Algorithmus zip (5 8) (01:25:38)
- LZW Algorithmus (01:26:45)
- LZW Algorithmus zip (7 8) (01:26:51)
- LZW Algorithmus zip (8 8) (01:28:31)
- Arithmetische Kodierung (01:29:29)
- Verlustbehaftete Kodierung (01:31:34)
- Werden das in den folgenden Vorlesungenjeweils (01:31:34)
- nur dann wenn weggelassene Information nicht so wichtig ist (01:31:34)
- Hasso Plattner (01:32:00)
Keyword
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