There are five common DVD aspect ratio:
1. Ordinary screen (4:3 screen),
2. Masked wide-screen film (compatible with 4:3 screen),
3. Deformation wide screen (16:9 screen),
4. Wide-screen ( 16:9 screen).
The actual ratio is only 4:3 and 16:9.
New software: Blaze 3GP Converter Suite
May have 8 audio tracks, each track can be used in three formats: Read More »
* Dolby Digital (originally known as AC-3): 1 to 5.1 audio channels
* MPEG-2 audio: 1 to 5.1 or 7.1-channel
* PCM: 1 to 8 channels
Video Disc would be category in two types: DVD and Blu-ray disc. Up to 2011, DVD is still the mainstream in the market.
DVD (Digital Versatile Disk) is an optical disc storage media format, invented and developed by Philips, Sony, Toshiba, and Time Warner in 1995. DVDs offer higher storage capacity than compact discs while having the same dimensions.
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1, large capacity and fast read: most DVD and CD generally have the same size, about 12 cm in diameter (or 8 cm), consists of two 0.6mm substrate thickness of each layer of paste made of multi-surface multi-layer technology that each side can store double disc information, a CD-ROM up to four storage space, DVD utilized more focused red compact increased storage density per unit area, it can be said that its storage space is unprecedented large (Table 1) to store a variety of different forms of storage capacity and specifications made for arrangement. In addition, the use of shorter wavelength laser and more intensive information pit production, can make single-layer DVD’s maximum read rate of 11.08 Mbit / sec, the equivalent of eight-time faster speed than CD-ROM machine.
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DVD in English full name is Digital Video Disk, which uses MPEG2 compression technology to store images. Some people also say DVD is Digital Versatile Disk, is a digital versatile disc, which combines computer technology, optics and video recording technology as a whole, the purpose is to satisfy people’s large storage capacity needs, the demand for high-performance storage media. DVD disc not only has been widely used in audio / video field, but also leading publishing, broadcasting, communications, WWW and other industries. It was used widely, it can set to be seen in the five specifications:
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The MPAA and most media companies argue that you can’t legally copy or convert commercial DVDs for any reason. We (and others) think that, if you own a DVD, you should be able to override its copy protection to make a backup DVD copy or to convert its content for viewing on other devices. Currently, the law isn’t entirely clear one way or the other–Fair Use proponents claim you have the right to make a back-up copy of the media you own whereas those who support the Digital Millennium Copyright Act say that the DMCA overrides Fair Use. So our advice is: If you don’t own it, don’t do it. If you do own it, think before you rip.
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Generally speaking, 5 points need to be considered when distinguishing between good and bad quality DVD cases:
Locking Mechanism
In order to test the DVD locking mechanism (the core in the middle of the DVD case which holds the disc), you have to put the DVD into it, then shake it hardly, if the DVD would not be shaken out of the locking mechanism, it is good. (DVD copy)
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A, Large capacity (DVD Copy) Read More »
CD and DVD discs and VCD discs are very similar in diameter to 80 or 120mm, thickness 1.2mm, but in fact their very different. DVD can be divided into single layer, single-sided double-layer, double-sided single layer and double-double of four physical structure. Single-sided single layer DVD have a capacity of 4.7GB, while the double-double of the DVD capacity up to 17GB (about 26 times the CD).
Most DVD recorders and some DVD players can read unfinalized discs by checking in reverse order from the end of the disc for the most recently recorded directory information.
Most DVD recorders can record a DVD onto DVD-R or DVD+R discs in unfinalized form, where temporary directory information is recorded after the last recorded section instead of at the beginning of the disc in the normal place. (This is sometimes called the TMPVMGI format, after the name for the temporary data.)
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Blaze DVD Copy for Mobile is a new product made by BlazeVideo. It can convert DVD to popular mobile devices, like iPod, iPhone, PSP, cellphones, etc. Or you can make a backup for your DVD. It’s key feature are as follows:
* Convert DVD to mobile device in playable formats Read More »
* Flexible converting modes: Entire Disc, Main Movie and Customize
* One-click ripping
* Super fast converting speed
