Infoseite // Rules for DVD authoring



Frage von Mathias:


Hello dear community.

After I had yesterday with

http://forum.slashcam.de/kein-ton-uber-windows-media-player-vt27126.html

pronounced with this problem had to set apart, I will now like to cite the related general question.

A DVD should be playable anywhere, ergo synonymous with the Windows Media Player or PowerDVD or with any other. What codecs which variants should be used for this? If the sound can be encoded with ac3 or pcm or something? Does the vob file with really less than 10 Mbit / s to run? (My DVD recorder that is synonymous creates more). If you are using may prefer to mpeg1, if moves the "film" to the whole world and everywhere to be playable?

Btw: The following answers happen to me sinister on his nerves:

- "Look at times but after google"
- "Seek and ye shall find"
- "There are tons of FAQs"
- "Windows is still fürn Moors"

He who asks a question, should get the answers synonymous. The success of the above answers is in fact that it comes out only when googlen constantly. So who knows no response in addition to the above, the same should be no synonymous.

Lieber left alone as synonymous still fucked :-)
(No Mark, you were not meant ...)

A good morning wishes:

Mathias

Space


Antwort von stonee:

According to the DVD specification (according to which one should be governed), the following sound standard are valid:
AC3 (Dolby Digital)
PCM
DTS
MPEG2 - audio

The latter has been at times in there in the norm, but rarely come on the European market are used. (at least to purchase DVDs of the major labels)

Depending on the codec different bit rates are allowed. In AC3, for example, 224 kBit / s appropriate for a stereo sound.

Total Data Rate:
Audio + Video + subpictures must cooperate to achieve a maximum bitrate of 9.8 Mbps. More it must not be under the DVD standard!

If you look at the "real" looking at data on the disc come to the above data, additionally information (chapter number, UOPs ,...) to the stream. This results in the worst case a maximum bit rate of 10.08 Mbit / s.
This value is rather of philosophical significance. For the user, is simple: video + audio + Subpics <= 9.8 Mbit / s

Example:
Video: 9.1 Mbps
Audio1: 224 kbps
Audio2: 448 kbps
Subpicture: 20 kbps

In MPEG2 video to have a variable bit rate has the maximum value on the above are available. The average value may be lower depending on playing time. Only important parameter is the maximum limit.

Space


Antwort von Markus:

Hello Mathias,

You're frustrated, you sound pretty! Has your client passed around on the compatibility with the Windows Media Player? Has he already talked with Bill (Gates) about it? ;-)

In ComputerBase lexicon entry is an interesting and detailed to video DVD. It describes the video - and audio formats are allowed and which are in most cases are used.

Another good source of information is called the s.end ComputerBase Web site:

Space


Antwort von grovel:

"stonee" wrote: According to the DVD specification, the following sound standard are valid:
AC3 (Dolby Digital)
PCM
DTS
MPEG2 - audio


Not quite, the first PAL-DVD specification was only PCM and MPEG2 - audio before. However, I am still not a player encounters, which takes place not AC3 as the one in the first NTSC DVD specification with was already there. But it could be that very old players that have problems.
DTS is still not officially in there with - and that's synonymous a good thing. Many players can not play it that is.

For us, moviemakers, especially for short Dreher, PCM is still the choice. Better quality than AC3 and unbeatable compatibility.
Who, of course, wants to save space and one 3h holiday film presses on the single-layered disc would be preferable to use AC3.

SeeYa grovel

PS Nice new forum, a pleasure to come back from vacation

Space





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