Different types of Non-Destructive tests (NDT) are there to detect voids and cracks in concrete such as Ultrasonic Pulse Echo, Ultrasonic Pulse Velocity, Ground Penetrating Radar, Impact Echo Method, X-ray Scanning Method, Rebound Hammer Method, Infrared Thermography Method .In which Infrared Thermography method is discussed in this paper
As concrete is used in newer areas and evidence is coming to light of premature deterioration in concrete structures there is a need to develop new methods for quality control at the time of concrete construc ....etc

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HEADPHONE AMPLIFIERS
INTRODUCTION
A headphone amplifier is a kind of audio amplifier designed particularly to drive headphones instead of loudspeakers. Most commonly they are found embedded in electronic devices such as integrated amplifiers, portable music players and televisions, but standalone units are not uncommon
Advantages
Its advantages are ...
• low output impedance to drive several pairs of phones
• the active gain stage is, almost, perfectly logarithmic and ...
– is independent of the a ....etc

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hi...
i want the full details abt infrared cordless headphone including abstract........ urgent ....etc

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Using this low-cost project one can reproduce audio from TV without disturbing others. It does not use any wire connection between TV and headphones. In place of a pair of wires, it uses invisible infrared light to transmit audio signals from TV to headphones. Without using any lens, a range of up to 6 metres is possible. Range can be extended by using lenses and reflectors with IR sensors comprising transmitters and receivers. IR transmitter uses two-stage transistor amplifier to drive two series-connected IR LEDs. An audio output transformer ....etc

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Infrared and thermal imaging is a global area inspection technique that detects and measures temperature and temperature differences to detect indication of disbond, delamination, cracks, residual stress and other conditions that impact heat flow. IR images provides temperature maps. Thermography is the use of IR imaging and measurement camera to see and measure thermal energy. Thus thermography measures heat which is constantly radiating away from any surface. This method is attractive for diagnosis because of its safe and non-invasive nature. ....etc

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Thinking of buying either A-110 or eGreat EG-M31B...
eGreat's SATA ports are a plus...
Most of my files are xvid and mkv.

Setup as of right now, is going to be:
NMT with 1TB HardDrive > HDMI > 1080pLCD monitor with headphone jack
LCD: Asus 22 VH226H

I'm just downloaded MediaInfo application, going through my media, what should i be looking for to see if i need DTS add-on board or not...

Thanks in advance!!
P.S.: my first post, hopefully right sub-forum... =)









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INFRARED HEADPHONE

ABSTRACT

The circuit for INFRARED HEADPHONE is designed to demonstrate the transmission and reception of audio signal through ! infrared radiations. The infrared rays generated by the transmitter circuit are received by the receiver circuit after transmission through air. This communication is much more effective than ordinary communication. It helps to receive audio signals from any audio device like T.V,radio etc.
i
without disturbing others. It provides minimum transmission loss. It is a low ....etc

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Infrared thermography has evolved into one of the most valuable diagnostic tools for Predictive Maintenance of electrical equipment from reliability and safety point of view.

By detecting anomalies often invisible to the naked eye, thermography allows corrective action to be taken before costly system failures occur or where safety of man and machine are at stake. By utilizing thermography to inspect electrical systems and components under load, the faulty components can be identified and thus heavy loss of health and wealth is avoided.

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Infrared thermography has evolved into one of the most valuable diagnostic tools for Predictive Maintenance of electrical equipment from reliability and safety point of view. By detecting anomalies often invisible to the naked eye, thermography allows corrective action to be taken before costly system failures occur or where safety of man and machine are at stake. By utilizing thermography to inspect electrical systems and components under load, the faulty components can be identified and thus heavy loss of health and wealth is avoided. Infrare ....etc

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Different types of Non-Destructive tests (NDT) are there to detect voids and cracks in concrete such as Ultrasonic Pulse Echo, Ultrasonic Pulse Velocity, Ground Penetrating Radar, Impact Echo Method, X-ray Scanning Method, Rebound Hammer Method, Infrared Thermography Method .In which Infrared Thermography method is discussed in this paper
As concrete is used in newer areas and evidence is coming to light of premature deterioration in concrete structures there is a need to develop new methods for quality control at the time of concrete construc ....etc

[:=Read Full Message Here=:]