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Uniform quantizer - PowerPoint PPT Presentation

Digital Communications

Digital Communications

Digital Communications. Contents. Part 1: waveform coding. Part 2: source coding. Part 2: channel coding. Part 2: digital modulation. Part 1 waveform coding. Introduction. ? Communication systems are used to transport information bearing signal from source to destination via a channel.

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934 views • 44 slides
EET260: A/D and D/A conversion

EET260: A/D and D/A conversion

EET260: A/D and D/A conversion. Conversion from analog to digital. We will consider the problem of converting an analog waveform into binary values and then converting it back into analog. 0110 0111 1000 1010 1100 1110 1111 1111 1111 1110 1100 1010 0111 0101 0011. analog.

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560 views • 39 slides
PCM & DPCM & DM

PCM & DPCM & DM

PCM & DPCM & DM. Pulse-Code Modulation (PCM) :. In PCM each sample of the signal is quantized to one of the amplitude levels, where B is the number of bits used to represent each sample. The rate from the source is bps. The quantized waveform is modeled as :

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1.63k views • 31 slides
Chapter 7. Analog to Digital Conversion

Chapter 7. Analog to Digital Conversion

Chapter 7. Analog to Digital Conversion. Essentials of Communication Systems Engineering John G. Proakis and Masoud Salehi. Chapter 7. Analog to Digital Conversion. In order to convert an analog signal to a digital signal, i.e., a stream of bits, three operations must be completed.

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305 views • 29 slides
A Comparative Study of Depth Map Coding Schemes for 3D Video

A Comparative Study of Depth Map Coding Schemes for 3D Video

A Comparative Study of Depth Map Coding Schemes for 3D Video. Harsh Nayyar, Nirabh Regmi, Audrey Wei March 10 th , 2011 EE 398A: Image and Video Compression Professor Girod. Overview. Background & Motivation Research Methodology Results & Performance Comparisons

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489 views • 28 slides
Applying 3-D Methods to Video for Compression

Applying 3-D Methods to Video for Compression

Applying 3-D Methods to Video for Compression. Salih Burak Gokturk Anne Margot Fernandez Aaron March 13, 2002 EE 392J Project Presentation. OUTLINE. MOTIVATION PREVIOUS WORK ALGORITHMS RESULTS CONCLUSION. BACKGROUND. Most common video compression scheme

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324 views • 20 slides
Pulse Code Modulation

Pulse Code Modulation

Pulse Code Modulation. Pulse Code Modulation Analogue to Digital Conversion Quantizing Encoding. Pulse Code Modulation.

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750 views • 18 slides

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