Technology

Difference between DVD-R and DVD+R

Main difference

Both DVD-R and DVD+R refer to two digital optical disc storage formats. These don’t represent a format, so don’t confuse them to be used interchangeably with each other. The main difference between DVD-R and DVR+R is that DVD-R is a kind of DVD which is non-recordable format, it can be compatible with about 93% of DVD players and most of DVD-ROM , while DVD + R is supported? with about 89% of DVD players and most DVD-ROMs.

What is DVD-R?

DVD-R refers to a non-rewritable digital optical disc storage format. Non-rewritable means it can be written once and read arbitrarily many times. It has the capacity of 4.7 GB. However, the double layer 8.5GB version named as DVD-R DL has also been developed by the Pioneer which was released in 2005. It is compatible with more than 93% of DVD players and most DVD- ROM and is approved by the DVD Forum. . DVD-R discs are made up of two 0.6mm acrylic discs, bonded together with an adhesive. Once the acrylic disc has a laser guide groove and is coated with the recording dye and silver alloy or gold reflector.

What is DVD+R?

DVD-R refers to a non-rewritable digital optical disc storage format. Non-rewritable means it can be written once and read arbitrarily many times. It has the capacity of 4.7 GB. It is used for video, audio, or non-volatile data storage applications. Its format is similar to the DVD-R format, however it is not supported. Like DVD-Rs, it carries up to 8.5GB of data. DVD+R has a more robust error handling system than DVD-R which allows for more accurate recording to media. DVD+R is compatible with approximately 89% of DVD players and most DVD-ROMs. That means about 11% of standalone DVD video players and DVD ROM drives are not fully compatible with the DVD+R format.

Key differences

  1. DVD-R does not need to be formatted before burning via a compatible video recorder, while DVD+R discs need to be formatted before burning with a compatible DVD video recorder.
  2. The DVD-R disc format is different from the DVD-R format.
  3. DVD+R has a more robust error handling system than DVD-R which allows for more accurate recording to media.
  4. DVD+R burner can locate data on the disc with byte precision, while DVD-R lacks such precision.
  5. DVD+R provides more precise additional session linking methods compared to DVD-R.
  6. DVD-R is compatible with over 93% of DVD players and most DVD-ROMs and is approved by the DVD Forum. DVD+R is compatible with approximately 89% of DVD players and most DVD-ROMs.
  7. DVD-R is endorsed by the DVD Forum, which consists of Apple, Pioneer, Mitsubishi, Hitachi, and Time Warner. DVD+R is backed by the DVD+RW Alliance which consists of Sony, Yamaha, Philips, Dell and Microsoft.

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