When the intensity of sound exceeds certain intensity, the alarm is
triggered and the siren begins to operate. The speaker beeps and the flasher
(light) flashes. Thus the owner of the residence is alerted when an intruder comes.

The functional block diagram includes
-MICROPHONE
-AMPLIFIER
-LATCH
-OSCILLATOR
-FLASHER
-SPEAKER

a 600O unidirectional moving coil microphone is used. LM386 CMOS operational amplifier was the main component in the amplifier. It had a gain of 200. The amplifier then passes it on to the latch section of t ....etc

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silent sound technology abstract and advantages n disadvantages ....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 full seminar report in pdf

Abstract
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 fi ....etc

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Freedomsoft offers a resource that brings internet marketing and technological advancement together to offer a solution to this problem with its squeeze pages and database. Most people in this business have, or are building a buyers list, and are constantly speaking with sellers. landing page or opt-in page) to gather data from buyers and sellers.
Mildred C. Hanson, senior vice president, was named Sales Associate of the Year. Sales associates for each quarter for 2005 were also recognized, including Roy G.
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SURROUND SOUND contributed by Navaneeth K K


Surround sound encompases a range of
techniques for enriching the sound
reproduction quality
of an audio source with
audio channels reproduced
via additional, discrete speakers.
Surround sound application encircles the
audience
Surround sound technology is used in cinema
and home theater systems etc
3
Encoding Surround Sound
Discrete Surround
Sound encoding where the additional
channels, beyond the standard left and right
for stereo audio, are encoded in separ ....etc

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ABSTRACT
Hypersonic sound technology from American Technology Corporation employs ultrasonic waves to create audible sound in the air. It works by using harmless ultrasonic tones that we can't hear. These tones use the property of air to create new tones that are within the range of human hearing. The result is audible sound. The acoustical sound wave is created directly in the air molecules by down-converting ultrasonic energy to the frequency spectrum we can hear. Hyper Sonic Sound is produced without the excess bag ....etc

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To get full information or details of surround sound system please have a look on the pages

http://seminarsprojects.net/Thread-surround-sound-system

http://seminarsprojects.net/Thread-surround-sound-system--3458

if you again feel trouble on surround sound system please reply in that page and ask specific fields in surround sound system ....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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