Practically every part of the video chatting experience can be enhanced, but it helps to begin with a good camera. Some businesses are even building special studios for videoconferences.
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Special software packages that enhance the image quality are appearing, and dedicated hardware is becoming common.
This higher quality, alas, also exposes more aesthetic flaws and gives rise to an arms race to improve the quality of the sound, the lighting and the picture. Better microphones and sound-mixing tools offer richer and more realistic sound.
Faster computers and Internet connections make it possible to replace the pixelated, jerky pictures the size of a postage stamp with a full-screen image that updates as gracefully as a movie. Callahan has, as videoconferencing grows up. More and more people are exploring the options Mr. Some of his local students even use the system when time or illness keeps them from traveling to his house. Now, he sits in his studio in Seattle and teaches students in Florida, California, Massachusetts and Spain. "It's not necessary," he explained a bit nonchalantly, "but it gives me quite a bit of flexibility." From there, he blended the sound with Apple's GarageBand software before sending it out over the Internet. After experimenting, he built a system that channeled three guitars, a microphone, and an orchestral synthesizer through a professional mixing board to his Macintosh. When Kevin Callahan started offering classical guitar lessons over an Internet video link, he wanted the sound to be as close as possible to being in the same room.
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