What is Double Layer and How is This Possible in DVD Duplication?

Many customers have actually taken pleasure in the excellent advantages of the DVD given that this versatile disc was launched in the market. Some might currently be satisfied with it thinking that it’s the supreme in data storage. They are not completely fix, however, because the DVD innovation has actually continued to advance through the years.

The digital video disc or DVD for brief has progressed into different formats and one of them is the dual layer DVD or DVD DL. Widely referred to as the DVD9, this double layer disc is called as such since it has a second layer within the disc itself. The very first layer is semitransparent so that the laser can still go through it to access the second layer. This is the reason people watching their preferred motion pictures in DVD might experience a couple of seconds of space or pause. This is a regular event and not a sign of damage or some sort of defect.

The DVD dual layer features two types of modes – the parallel track course (PTP) which is typically used in DVD-ROM and the opposite track path (OTP) which is used in DVD-Video. Recordable discs can keep a maximum of 4 hours of high quality video or 8.5 GB of data. This is for a one-sided disc with 2 recordable layers. A distinct feature of this dual layer disc is that considering that it adheres to the DVD9 specification, it can be used any DVD gamer and computer DVD-ROM drives readily available in the market.

A DVD dual layer writeable disc brings the format DVD-R9, DVD+R DL and DVD-R DL. The single sided double layered disc type or DVD-9 can store up to 7.95 computer GB or 8.5 GB while the double layered double sides or DVD-18 has a storage capacity of 15.9 computer system GB. Both the plus and minus sign formats are expected to be used for lots of long years to come. In addition, drives that support the DVD+R DL likewise have the ability of tape-recording single layer discs and faster CD-R/RW copying.

A single sided double layered disc that is recordable is comprised of a dummy polycarbonate platter base and a single recording layer. The double sided disc, on the other hand, has two color taping layers. In the recording process, the drive at first uses the very first recordable layer beginning with the center going outwards. When it reaches the end, the drive then goes to the second layer to tape beginning with the outdoors rim going inwards.

The CD and DVD duplication market can actually use this dual layer DVD taping capability. A single sided disc alone can hold up to 4 hours of video and audio combined and with this truth, film fans and businesses that require an effective marketing method can rely on the double layer DVD with terrific self-confidence. Whether you’re copying simply pure audio or pure video does not actually matter because there’s constantly additional area available.

Lastly, simply consider these realities – a double layer recordable DVD is capable of keeping some 2,000 songs or 17,000 images in the JPEG format. Now who says this is not an amazing technology?