| Re: The Prisoner
Several folks have reported problems playing (ironically) disc six of the set on their BD machines. When my box arrived, I thought I’d better check it out as a matter of priority on my Samsung BD-P1500, and sure enough, after whirring uselessly for a few seconds up popped a terse on-screen message - ‘This disc can not [sic] be played’ - and it was disdainfully spat out.
Disc six, being one of two DVDs of extra features in the set (the only extras in hi-definition I can find thus far are the on-set photographs), was quickly popped into my DVD player…and accepted without problem. Very odd; so I contacted Network via email, and in just a few minutes received a reply that they were ‘looking into it’. Within the hour came this thorough reply from Production Assistant Tim Berry, to whom I’m very grateful: Following my previous email, we have looked into the issue you raised with the final disc of the Prisoner blu-ray set and have a likely explanation for your problem. We suspect it may be because the final disc includes the PDF content for PC/Macs, and it appears that this may not be compatible with all BD players, depending on the manufacturer.
To put PDF content on a DVD we make the DVD into what is called a ‘hybrid’ so that it can contain both ‘DVD video’ and ‘DVD ROM’ content. As a blu-ray player is more computer based than it is DVD (using more codes, etc.), all blu-ray discs are effectively BD-ROMs, so players need to read both the ROM and video elements on a blu-ray disc in order for it to play. It would appear that some companies are manufacturing BD players that first try to read the ‘ROM’ content on any disc – whether blu-ray or DVD - as opposed to the video element of the disc first. With disc 6 of The Prisoner, your BD player appears to be trying to read the PDF files, which are only playable on PC/Macs and declaring the disc unreadable before attempting to read the DVD content.
We are unsure how many players would behave in this manner. Blu-ray technology is still in its infancy and some manufacturers are still working out how to make their players compatible with previous technology; we do know, however, that the PS3 and Sony350 are able to play these discs. We can only apologise for any convenience caused but I hope that this email goes some way towards answering your question.
…Blu-ray production is completely new territory for a lot of companies and inevitably, just as when DVD replaced VHS, there will always be an element of trial and error - both on the part of the distributors and the BD player manufacturers - in order for the technology to develop and improve.
While we at Network are aware of how a blu-ray disc is read, we had never been in any situation to made aware that some manufacturers may not have taken into account, when making a BD player compatible with previous technology, that it will need to read video elements first. The variety of players we used to make and check these discs worked were programmed to read them correctly, with no problems and it is the aim of manufacturers to ensure that DVDs can continue to be played on BD players. We put a lot of research into our release and it’s a problem that has never been brought to our attention up until now.
This is obviously an experience we will learn from for our future releases and I’d be surprised if the manufacture [sic] who made your BD player was not already aware of this flaw in their production also. It may be worth contacting them directly though, to make clear the specific problems this has caused you - they may even be able to offer you a suitable solution to this problem. |