Do You think There Should be Standards for DVD and CD Players

C

cbkia

Guest
I meant a special interest group or consortium handling hardware standards for DVD players, just like standard groups for computers.

I though of this after reading about jitter in the crystal generator in players. No doubt jitter will degrade sound and video quality.

I was thinking if computer devices such as CD/DVDROM drives and hard drives don't not have problems with jitters, why does commercial players have such problems? These devices are transferring data at a speed far higher than our players yet they could do so w/o having errors (if there is, our data would be corrupted). This means they have some way to ensure that the data read from the disc is not altered. If it is, its somehow corrected and delivered. Even transferring data across the network is fine.

Why can't commercial players do the same thing? Is it because there aren't any group to set certain standards in players or simply because the engineers don't have the capability?
 

gmt steve

Novice Member
I meant a special interest group or consortium handling hardware standards for DVD players, just like standard groups for computers.
Such as the DVD Forum to which every major manufacturer belongs?

I though of this after reading about jitter in the crystal generator in players. No doubt jitter will degrade sound and video quality.
What is a 'crystal generator'? I suspect you mean the DAC/s.

I was thinking if computer devices such as CD/DVDROM drives and hard drives don't not have problems with jitters, why does commercial players have such problems?
What makes you think that they don't suffer from jitter? A good deal of the time these devices never have to convert the data into an analogue form, thus requiring a DAC. It is the DAC and it's associated circuits which introduce jitter.
 

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