multimedia processing 5 min read
Arithmetic Coding
Arithmetic coding is a form of entropy encoding used in lossless data compression. Normally, a string of characters such as the…
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multimedia processing 6 min read
Dictionary-based Coding
The Lempel – Ziv – Welch (LZW) algorithm employs an adaptive, dictionary – based compression technique. Unlike variable – length…
multimedia processing 14 min read
Variable-length Coding (vlc)
Since the entropy indicates the information content in an information source 5, it leads to a family of coding methods…
multimedia processing 1 min read
Run-length Coding
Instead of assuming a memoryless source, run – length coding (RLC) exploits memory present in the information source. It is one of…
multimedia processing 4 min read
Compression Techniques
The emergence of multimedia technologies has made digital libraries a reality. Nowadays, libraries, museums, film studios, and governments are converting more and…
multimedia processing 17 min read
Quantization and Transmission Of Audio
To be transmitted, sampled audio information must be digitized, and here we look at some of the details of this…
multimedia processing 15 min read
Midi: Musical Instrument Digital Interface
It is an electronic musical instrument industry specification that enables a wide variety of digital musical instruments, computers and other…
multimedia processing 16 min read
Digitization of Sound
What Is Sound? Sound is a sequence of waves of pressure that propagates through compressible media such as air or…
multimedia processing 8 min read
Digital Video
Digital video comprises a series of orthogonal bitmap digital images displayed in rapid succession at a constant rate. In the…
multimedia processing 7 min read
Analog Video
Analog video is a video signal transferred by an analog signal. When combined in to one channel, it is called composite…