PRESENTED BY,
V.V.NAGA VARUN
J.SHRAVAN
K.B.GOWTHAM


INTRODUCTION
 Speech coding is defined as a digital representation of the speech signal .
 Speech compression is achieved by representing each sample of digitized data by lesser number of bits.
 In compression technique the 13 to 16 bits data is represented by an equivalent of 4 or 8 bits.
 In decompression technique the compressed data is converted back to original data.
BLOCK DIAGRAM
HARDWARE
 Efficient hardware is developed by ....etc

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hi i need a full seminar report on surround sound... thnxx :-) ....etc

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Definition
There are many surround systems available in the market .They use different technologies for produce surround effect. Some Surround sound is based on using audio compression technology (for example Dolby ProLogic? or Digital AC-3?) to encode and deliver a multi-channel soundtrack, and audio decompression technology to decode the soundtrack for delivery on a surround sound 5-speaker setup. Additionally, virtual surround sound systems use 3D audio technology to create the illusion of five speakers emanating from a regular set of stere ....etc

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surround sound system;introduction,abstract,conclusion,summary and references
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We are now entering the Third Age of reproduced sound. The monophonic era was the First Age, which lasted from the Edison's invention of the phonograph in 1877 until the 1950s. During those times, the goal was simply to reproduce the timbre of the original sound. No attempts were made to reproduce directional properties or spatial realism.

The stereo era was the Second Age. It was based on the inventions from the 1930s, reached the public in the mid-'50s, and has provided great listening pleasure for four decades. Stereo improved the reprodu ....etc

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Introduction
There are many surround systems available in the market. They use different technologies for produce surround effect. Some Surround sound is based on using audio compression technology (for example Dolby ProLogic? or Digital AC-3?) to encode and deliver a multi-channel soundtrack, and audio decompression technology to decode the soundtrack for delivery on a surround sound 5-speaker setup. Additionally, virtual surround sound systems use 3D audio technology to create the illusion of five speakers emanating from a regular set of ste ....etc

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sir plz provide me source code of image compression using neural network by matlab. plz sir its a humble request to u :-( ....etc

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The purpose of this seminar is to explore the advances and technologies of surround sound in the consumer market. Human hearing is binaural (based on two ears), yet we have the ability to locate sound spatially. That is, we can determine where a sound is coming from, and in most cases, from how far away. In addition, humans can distinguish multiple sound sources in relation to the surrounding environment. This is possible because our brains can determine the location of each sound in the three-dimensional environment we live in by processing th ....etc

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