Progressive vs Interlaced

To understand the difference between interlaced and progressive scanning, you must understand how television images are typically composed. Two fields create one frame. Each field is interlaced so that when combined together, they create a full image called a frame. In television, 30 frames are shown per second, or 60 fields per second. 1080i indicates a picture’s resolution using interlaced. This results into a high resolution image with television-like quality.

Progressive images dispense with the fields and display progressive, multiple full frames. 1080p indicates a high resolution image that appears more like film. Blu-ray disc offers the higher quality 1080p video resolution. In fact, this HDTV video quality is the premier option available far surpassing any other medium or broadcast format currently on the market.

Blu-ray players and Blu-ray recorders also feature up to 54 Mbps bandwidth which is about twice that of a normal HDTV broadcast making the video … Read the rest

Computer Internal Clocks


I’m sure your heard about atomic clock, this kind of clock is very accurate. Why not have atomic clock at your desktop. If it works properly you will be able to synchronize your computer clock with atomic time servers. If you do decide to operate a timeserver, be sure to calibrate your atomic clock regularly. If you don’t have an atomic clock, build one. The atomic clock signal will penetrate almost all buildings, except typically commercial steel buildings that have few windows. Conventional personal computers are required to be connected to the Internet in order to obtain an atomic clock signal that can update a clock of the personal computer (PC). Current operating system software permits access to the atomic clock broadcast to update the PC clock as long as there is an Internet connection for broadcasting the atomic clock signal to the computer. Also, heat can have an … Read the rest

Electronic Discovery Software

Electronic discovery software enables the effective retrieval of data. Data can be recovered from any kind of source, including computers, backup media such as CD/DVD ROMs, floppy disks, tapes, hard disks etc., CAD/CAM/CAE and graphics, software and source code, internet and intranet content, Jaz drives, Zip drives, internet service providers, fax servers, Personal Digital Assistants (PDAs), network activity systems, cell phones, pagers, electronic/voice/video mail and special databases such as CRM and ERP. Electronic discovery software tools can categorize, search and sort for data in their native format. Reports can be generated within minutes and documents can be redacted. Most software tools are compatible with RTF, HTML, MIME and TXT file formats. The data can also be categorized by type or converted into specified formats such as TIFF, JPEG or PDF.

Some of the top providers of electronic discovery software and services are: Daticon, Electronic Evidence Discovery Inc., Kroll Ontrack Inc., … Read the rest