A Guide to Help You Understand the Various HDMI Versions

The HDMI cables have revolutionized the way video and audio devices are connected and it is with good reason that this mode has become the leading form of connecting cables. It gives the user a lot of control of the devices and allows easy operation. It also allows for superior picture and sound quality. This is enabled by its high definition digital transmission. However, one of the understated benefits of HDMI is its allowance for future technological advancement. With its double amount of bandwidth needed to transmit both audio and video data, the HDMI is certainly set for any future changes.

There are five basic versions of the HDMI, which have been released to date. However, the most common four types of cables are the 1.0, 1.1, 1.2 and 1.3. The 1.4 version is the latest release in the market and the most improved. A look at each of these versions is important, especially when you want to buy, as you will be able to get a cable suiting your needs. The first version, 1.0, was standardized in late 2002 and supports HD 1080p as all other models and is compatible with most DVD audio versions, including Dolby Digital and DTS.

The second version comes with audio DVD support which allows the streaming of 5.1 channel audio by users of compatible players without the need for extra RCA cables. The third version has two categories, the 1.2 and 1.2a. This comes with Super Audio CD support which eliminates the need to rely on analogue cables to listen to SACD. It also comes with a type A PC connector. The fourth version is also in categories; the 1.3, 1.3a, 1.3b and 1.3c. Its major improvement is the support of Dolby TrueHD and DTS. It also allows for HD maestro audio, which is used in Blu-ray players. The version also comes with an increased bandwidth by a factor of 2 for every 10Gbps.

The latest version is the 1.4 and this was ratified in 2009. It has significant improvements, with the major one being the inclusion of a HDMI Ethernet connection, which allows for a two-way connection between compatible components and can transfer 100Mb. It also supports 3D in full 1080p and normal resolutions up to 3840p/2160p. It also has a return audio channel allowing for data to be sent to and from television allowing viewers to hear from the television with just a single cable. It also supports photographic colour standards like sYCC601, Adobe YCC601 and Adobe RGB allowing easier compatibility with digital still cameras. This is certainly the way to go for tech geeks!

Printer Cartridges - Various Types and Their Features

One of the most crucial and important office machines is the printer! Whether you are a clerk, an assistant, a manager or a secretary, one thing which is indispensable to your survival are "print outs". All of us probably know the in and out of a printer more than even our work because we are perpetually relying on various prints, print outs, sheets, scanned documents etc for any kind of work or communication. Imagine a situation where you have a presentation and need to give 10 handouts to attendees. Imagine, now, if the printer conks off! I am sure your presentation will fail to communicate what it was supposed to because you were so dependent on those handouts! Not just office, even educational institutes, libraries etc are very dependent on this miracle machine.

But this miracle machine needs to be taken care of. It functions on the most important part - printer cartridge. If the cartridge in the printer is functioning properly, print outs will be of excellent quality. Depending on your usage and type of work, there are mainly three types of cartridges available in the market:

1 OEM - stands for Original Equipment Manufacturer. One of the first cartridges in the market. They are usually produced by printer manufacturers. These toner cartridges are of high quality and hence sometimes expensive. They carry manufacturer labels

2 COMPATIBLE- specially manufactured to meet certain requirements not fulfilled by OEM. They are manufactured by third parties because they are more customized. Hence, manufacturer label is not there. They are usually less expensive than OEM. If the cartridge is 100% compatible cartridge, then it can fit into any printer. But if it is not 100 % compatible, the cartridge and the printer won't recognize each other and there might be issues in the print quality. Compatible ink cartridges are usually made to orders only and use both used and new components if otherwise specified

3 REMANUFACTURED - they are also refurbished cartridges. They are OEM or third party manufacturer inkjet and toner cartridges which have being through one cycle of service already and have being re charged. Every re manufactured cartridge needs to be properly cleaned, worn out components replaced, then it is filled with ink formula and it is thoroughly tested. They are more expensive than compatible ones but cheaper than OEM. It is environment friendly product and cost effective. Hence, very popular amongst companies who are eco friendly

Selecting a printer and then printer cartridges at regular intervals needs some care. It depends on your usage, type of establishment, budget, quality needed etc. it is advisable to consult a specialist and discuss with him various cost effective options available.

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