Perceiving Sound Virtual surround-sound systems take advantage of the basic properties of speakers, sound waves and hearing. A speaker is essentially a device that changes electrical impulses into sound. It does this using a diaphragm — a cone that rapidly moves back and forth, pushing against and pulling away from the air next to it. […]
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Over the last 20 years or so, fiber optic lines have taken over and transformed the long distance telephone industry. Optical fibers are also a huge part of making the Internet available around the world. When fiber replaces copper for long distance calls and Internet traffic, it dramatically lowers costs. To understand how a fiber
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History In 1988, Sony entered into an agreement with Nintendo to develop a CD-ROM attachment, known as the Super Disc, for the soon-to-be released Super Nintendo. Due to many contractual and licensing problems, the Super Disc was never released. Instead, a modified version was introduced by Sony in 1991, as part of a system called
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Hardware Like a portable media center, the Explorer is essentially a handheld computer. It uses a Linux operating system, and it processes and stores interactive presentations using: An AMD Alchemy 800 mhz processor 256 MB of RAM At least 2 GB of storage space It then plays them using a trans-reflective, high resolution touch screen
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Mobile TV Broadcasts There are a lot of broadcast and delivery methods in use or in development. You can broadcast live TV to cell phones via satellite, terrestrial towers or WiFi networks. Here’s a look at the basic techniques involved in each approach. WiFi/WiMAX This broadcast method streams live TV signals via the Internet. A
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Production So, we have the who (the talent) and the what (the script) — and now we need the where (location). As with real estate, location can be everything. Again, there are several choices. Shooting can happen on location, in a studio or both. The decision can be based on the story, the time of
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UP Under the Hood If you were to strip the rubber coating off the UP, you would find a strip of steel springs that keep the wristband’s shape. Mounted on the strip are the UP’s electronic components. These include a lithium-ion battery, a motion sensor and a vibration motor. On one end of the steel
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Choosing an Arcade Monitor and Computer The first thing you need to keep in mind is that the designers of MAME wanted to create a way to preserve video games — the ability to play the games is simply a byproduct. That means that while the goal of the emulator is to recreate the arcade
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From now, you´ll find in our store the top-quality capacitors from company AVX. A tantalum capacitor may be for many designers a component with a “smell of alchemy”. It´s not used as often as for example electrolytic capacitors, it´s more expensive and it doesn´t hesitate to fire off at improper handling. Despite these facts, it´s
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Dreamcast History An established leader in the arcade, Sega entered the home market right on the heels of Nintendo. Renamed the Sega Master System, the system known as the Mark III in Japan debuted in the United States in 1986. The Sega Master System used an 8-bit CPU, 128K ROM-based operating system and had a
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