CD, DVD and Blu-ray

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CD, DVD and Blu-ray -

audiotoolsAUR

Troubleshooting

Brasero fails to normalize audio CD

If you try to burn it may stop at the first step called Normalization.

As a workaround you can disable the normalization plugin using the Edit > Plugins menu

VLC: Error "... could not open the disc /dev/dvd"

If you get an error like

vlc dvdread could not open the disc "/dev/dvd"

it may be because there is no device node on your system. Udev no longer creates and instead uses . To fix this, edit the VLC configuration file ():

# DVD device (string) dvd=/dev/sr0

DVD drive is noisy

If playing DVD videos causes the system to be very loud, it may be because the disk is spinning faster than it needs to. To temporarily change the speed of the drive, run:

# eject -x 12 /dev/dvd

Sometimes:

# hdparm -E12 /dev/dvd

Any speed that is supported by the drive can be used, or 0 for the maximum speed.

Setting CD-ROM and DVD-ROM drive speed

Playback does not work with new computer (new DVD-Drive)

If playback does not work and you have a new computer (new DVD-Drive) the reason might be that the region code is not set. You can read and set the region code with the regionsetAUR package.

None of the above programs are able to rip/encode a DVD to my hard disk!

Make sure the region of your DVD reader is set correctly; otherwise, you will get loads of inexplicable CSS-related errors. Use the regionsetAUR package to do so.

GUI program log indicates problems with backend program

If you use a GUI program and experience problems which the program's log blames on some backend program, then try to reproduce the problem by the logged backend program arguments. Whether you succeed with reproducing or not, you may report the logged lines and your own findings to the places mentioned in #Burn backend problems section.

Special case: medium error / write error

Here are some typical messages about the drive disliking the medium. This can only be solved by using a different drive or a different medium. A different program will hardly help.

Brasero with backend growisofs:

BraseroGrowisofs stderr: :-[ WRITE@LBA=0h failed with SK=3h/ASC=0Ch/ACQ=00h]: Input/output error

Brasero with backend libburn:

BraseroLibburn Libburn reported an error SCSI error on write(16976,16): [3 0C 00] Write error

AHCI

If your new DVD drive is detected but you cannot mount disks, check wether your BIOS uses AHCI and add the module to the kernel image.

Edit and add to the array (see mkinitcpio for details):

MODULES=(ahci)

Regenerate the initramfs so that it includes the newly added module.

BD-R DL 50GB errors on trying to burn second layer

Using growisofs from dvd+rw-tools for burning 50GB BD-R DL discs might result in a fatal error and damaged media, such as:

$ growisofs -Z /dev/sr0 -J -R -V "label" filesExecuting 'mkisofs -J -R -V label files xcdroastAUR
  • Xfburn — Simple front-end to the libburnia libraries with support for CD/DVD(-RW), ISO images, and BurnFree.
https://docs.xfce.org/apps/xfburn/start shntool
  • whipper — CD ripper aiming for accuracy over speed. Uses cdparanoia, MusicBrainz, AccurateRip.
https://github.com/whipper-team/whipper

DVD replaced VHS, then Blu-ray came along in all its HD glory and now we have 4K Blu-ray taking the crown as the highest-resolution disc you can get – until 8K Blu-rays come along at some point.

These discs look alike and are the same physical size, so should you be rushing out to replace your film collection every time a new format comes out? Let's look at the differences.

Just want a great 4K or HD Blu-ray player? Use our Blu-ray player reviews to find out which models are worth your money.

The main differences between DVD, Blu-ray and 4K Blu-ray

The difference between the three different types of disc is how much data you can store on them. They're all the same physical CD-size we've been used to for years, regardless of the format. 

Resolution

Think of a movie or a TV show as a file on your computer – the higher the resolution, the sharper the image and the more space it takes up on the disc: 

  • DVD Max resolution 480p, also known as SD (standard definition)
  • Blu-ray Max resolution 1080p, also known as HD (high definition)
  • 4K Blu-ray Max resolution 2160p, also known as 4K.

4K resolution films take up a massive amount of memory when compared with a 480p DVD file and you could never fit one on to a DVD disc. But a higher resolution doesn't necessarily mean great picture quality (keep reading to find out more).

Picture quality

Higher resolution makes for a sharper image, that's a given. But when it comes to colour and contrast, things are less certain.

How a film is mastered for each format makes a difference to the quality. A Blu-ray version of a film could have rich, vivid colours and a finely balanced contrast, while the 4K version could look washed out and bland. This is more of an issue when an older film that was never released in 4K, or even HD, before is remastered to take advantage of the higher-resolution format. If the remastering is done poorly, then you'll notice the problems with colour and contrast. 

4K Blu-rays also add HDR (High Dynamic Range) into the mix. This technology boosts contrast, creating a greater range between bright and dark parts of the screen – to find out more, go to what is HDR TV. 

It's a hit and miss technology, though. When used badly it can make the picture too dark or bright, which blocks all that lovely 4K detail.

Our Blu-ray player reviews take these factors into account, so you can buy one that will make the most of your film collection. But sometimes the fault can lie with the Blu-ray itself. 

Sound

4K Blu-rays tend to have more advanced audio processing and formats, such as Dolby Atmos, DTS:X and other formats that allow for less compression of the sound. Which should mean higher quality. 

These processing technologies could feasibly be on Blu-rays and DVDs, too, but often they are saved for the 4K releases.

The back of a Blu-ray box will tell you what audio formats and processing is on the disc.

Can you play Blu-rays on a DVD player or do you need a different device?

If you have a DVD player, then you'll only be able to play DVDs. But Blu-ray players and 4K Blu-ray players are usually backwards compatible with the lower-resolution discs.

  • DVD players only play DVDs
  • Blu-ray players play 1080p (HD) Blu-rays and sometimes DVDs
  • 4K Blu-ray players play 4K Blu-rays, 1080p (HD) Blu-rays and sometimes DVDs.

It's not always the case that a player will be able to play lower-resolution discs, so it's worth checking our Blu-ray player reviews or the store listing before you buy.

Which type of DVD or Blu-ray player should you buy?

Not a DVD player, there's really no point. Very few are still made and we don't test them any more. 

Ideally, you should buy a 4K Blu-ray player. Despite some 8K TVs now being released, 4K will be the main resolution used by the TV and film industry for years to come.

If you don't have a 4K TV already, then it's likely that you will when you next upgrade, and a 4K Blu-ray player will let you make the most of the display, as well as let you watch your existing Blu-ray and DVD collection if you choose the right model - use our TV reviews to help you.

4K Blu-ray players are still expensive, though, so don't rush out to buy one if you're not mad keen on buying films at the highest resolution available. The cheapest we've tested is around £150, while a good-quality HD Blu-ray player for around £60. 

As 4K Blu-ray players and discs become more common the costs will come down. This happened when Blu-ray was taking over from DVD. Blu-ray discs and players cost a fortune during the transition, but now they cost roughly what DVDs and players did then.

See our pick of the best Blu-ray players for a steer on which to buy.

Источник: https://www.which.co.uk/reviews/blu-ray-dvd-players/article/blu-ray-vs-dvd-aNxKj1S7s946
k3b
  • OGMRip — An application and a set of libraries for ripping and encoding DVD into AVI, OGM, MP4, or Matroska files using a wide variety of codecs. It relies on mplayer, mencoder, ogmtools, mkvtoolnix, mp4box, oggenc, lame, and faac to perform its tasks.
http://ogmrip.sourceforge.net/ handbrake
  • K3b — Feature-rich and CD to handle CD/DVD burning and ripping application based on KDElibs.
https://userbase.kde.org/K3b shntool
  • whipper CD CD ripper aiming for accuracy over speed. Uses cdparanoia, MusicBrainz, AccurateRip.
https://github.com/whipper-team/whipper goobox
  • Grip — Fast and light CD ripper within the GNOME project that resembles Audiograbber.
https://sourceforge.net/projects/grip/ rubyripperAUR
https://wiki.gnome.org/Apps/SoundJuicer

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5 Replies to “CD, DVD and Blu-ray”

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