Editing DualDisc (section)

==Criticism==

===Manufacturer warnings===
A number of electronics companies such as [[Lexicon (company)|Lexicon]],<ref>[http://www.lexicon.com/news/productnews.asp?newsID=72 Statement Regarding the "DualDisc" Format] {{webarchive |url=https://web.archive.org/web/20050213181416/http://www.lexicon.com/news/productnews.asp?newsID=72 |date=February 13, 2005 }}, Lexicon, December 23, 2004</ref> [[Marantz]],<ref>[http://www.marantz.com/new/index.cfm?fuseaction=News.LatestNews&cont=eu&bus=hf Important Notice About Dual Disc] {{webarchive |url=https://web.archive.org/web/20050911145551/http://www.marantz.com/new/index.cfm?fuseaction=News.LatestNews&cont=eu&bus=hf |date=September 11, 2005 }}, Marantz, April 5, 2005</ref> [[Mark Levinson Audio Systems|Mark Levinson]],<ref>[http://www.marklevinson.com/press/details.asp?cat=&prod=&press=24 Statement Regarding the "DualDisc" Format] {{webarchive |url=https://web.archive.org/web/20050302142828/http://www.marklevinson.com/press/details.asp?cat=&prod=&press=24 |date=March 2, 2005 }}, Mark Levinson Madrigal Audo Laboratories,  December 23, 2004</ref> [[Onkyo]],<ref>[http://www.us.onkyo.com/faqs_detail.cfm?detail=1&id=140 Onkyo "DualDisc" Question] {{Webarchive|url=https://web.archive.org/web/20071113163013/http://www.us.onkyo.com/faqs_detail.cfm?detail=1&id=140 |date=2007-11-13 }}, Onkyo, accessed August 13, 2005</ref> [[Panasonic]],<ref>[http://www.panasonic.com/consumer_electronics/promos_ecommerce/DualDisc.html DualDisk] {{Webarchive|url=https://web.archive.org/web/20071226192757/http://www.panasonic.com/consumer_electronics/promos_ecommerce/DualDisc.html |date=2007-12-26 }}, Panasonic, accessed August 13, 2005</ref> [[Pioneer Corporation|Pioneer]],<ref>''[http://www.pioneerelectronics.com/PUSA/Support/Important+Notice+About+%22DualDisc%22+To+Prevent+Product+Damage Important Notice About "DualDisc" To Prevent Product Damage]'' {{webarchive |url=https://web.archive.org/web/20081128045134/http://www.pioneerelectronics.com/PUSA/Support/Important+Notice+About+%22DualDisc%22+To+Prevent+Product+Damage |date=November 28, 2008 }}, Pioneer Electronics, accessed August 13, 2005</ref> and [[Sony]] (both its [[Sony Computer Entertainment|Computer Entertainment]] and Electronics divisions)<ref>[http://www.us.playstation.com/News/ConsumerAlerts/DualDisc.html Consumer Alerts - DualDisc], [[Sony Computer Entertainment America]], March 31, 2005</ref><ref>Brian Moura, ''[http://highfidelityreview.com/news/news.asp?newsnumber=15319712 Sony Electronics Issues Warning About Dual Disc Compatibility With Sony Disc Players]'', High Fidelity Review, November 4, 2004</ref> issued statements warning consumers about possible problems with playing DualDisc titles on their equipment.

===Legal controversy===
There was some controversy surrounding the DualDisc format, as [[Dieter Dierks]], the inventor of the [[DVDplus]] specification, claimed that DualDisc technology is in violation of his European patents.<ref>Stuart M. Robinson, ''[http://www.highfidelityreviews.com/features/dualdisc2.asp DualDisc The Hybrid CD/DVD Disc - The DVD Plus Saga... (Part Two)]'' {{webarchive |url=https://web.archive.org/web/20041029214351/http://www.highfidelityreviews.com/features/dualdisc2.asp |date=October 29, 2004 }}, High Fidelity Review, November 2, 2004</ref><ref>[http://v3.espacenet.com/results?sf=a&FIRST=1&CY=gb&LG=en&DB=EPODOC&TI=&AB=&PN=&AP=&PR=&PD=&PA=Dieter+Dierks Dieter Dierks] patent search from the [[European Patent Organisation]]</ref>