What Is A VoIP Router?

November 13th, 2006

By: Laura Rupert

Voice over Internet Protocol (VoIP) is a new way to talk on your phone through your broadband internet connection. A VoIP router is needed to help you use the same phone you have been using before your VoIP connection. If you have voice over internet protocol available to you, you’ll need a router to sort of make it all happen. It’s a small device that will take a little time to get used to, but once you’ve used it just a couple times you’ll be able to use the whole system without a second thought.

Without a VoIP router your phone will not be able to figure out where datagrams should go from source to destination, so information will be lost. Routers will help control phone traffic, controls and maintains bandwidth, and ensures a good voice quality for each and every phone call. Basically, router is responsible for routing all the information in and out of your home so that you can get the services you are supposed to get.

It’s said that because of ever expanding technology that VoIP routers won’t be needed for much longer. With the invention of digital telephones the need for a separate router won’t be necessary. But, until this newer technology becomes more widespread and cost efficient, the majority of VoIP users will need a router to use the voice over internet protocol features. Because of this newer technology, having VoIP service will become easier and more accessible to everyone in the very near future. But, don’t let the idea of a routing device scare you off, as VoIP is very easy to use!

About the author: Laura Rupert is a freelance writer who contributes to The Tech FAQ


What is THX ?

November 12th, 2006

By: mike

THX is the trade name of a high-fidelity sound reproduction system for movie theatres,home theaters,computer speakers,gaming consoles,and car audio systems.THX was developed by Tomlinson Holman at Lucasfilm in 1983 to ensure that the soundtrack for the third Star Wars film.Return of the Jedi,would be accurately reproduced in the best venues.The THX system is not a recording technology,and it does not specify a sound recording format;all digital (Dolby Digital,SDDS) and all analog sound formats (Dolby SR,Ultra-Stereo) can be “shown in THX.”THX is mainly a quality assurance system.If a producer has their film mixed in THX,it merely means that when the film is shown in theaters,the soundtrack will sound exactly as it did when it was mixed,if the theatres are THX-certified.

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Factors In CD Duplication

November 11th, 2006

By: Hani Masgidi

The process of writing data to a recordable CD can be a complex process, as it demands a lot from both hardware and software programs. Much of this complexity is hidden from the user by the program, although you should be aware of these factors. Data The total amount of data you are writing is much less important than whether or not it contains large or several small files. If there are a lot of small files, the system may have problems with locating and opening the files quickly enough to send them smoothly to the CD recording drive. The computer Any interruption that may occur is fatal to CD duplication, so you should ensure that your CONFIG.SYS and AUTOEXEC.BAT don’t load any TSR utilities which may interrupt operations. Screen savers, alarms and reminders, or incoming faxes may also kill disc writing. You should also turn off network sharing so no one will access the files that you are trying to write, as this could also kill your disc recording. Hard Disk Speed To write an image to the CD, the hard disk from which you are writing must have a transfer rate that is fast enough to keep the memory buffer full in the CD recorder. This normally means an average hard disk access time of 19 MS or better. Defrag If your hard drive has to search everywhere over a fragmented hard drive for the data to be written, it can cause the operation to slow down or even cause a fatal error. Therefore, always be sure to fragment your hard disk drive. Recording speed Most new CD recorders and even some older ones, are capable of writing at two (sometimes even four) times the standard playback. It should be possible for you to select the speed; as even though fast recording is a time saver, it can also cause some bad situations. When you copy an ISO (image file) from the hard disk to a CD, the speed is rarely a problem as the image is already one large file in which the files and structures are already in order and divided into CD-ROM sectors. When you write from a virtual image, things can get a bit trickier. In order to copy to CD, the program must consult with the database to find where each file should go in the image and where it is actually stored on the hard disk drive. Then, it must open the file, divide it into CD-ROM sectors, at the same time sending the data in a smooth continuous stream to the recorder. Locating and opening the file is a bit more time consuming, as writing is more difficult if you have a lot of small files.

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