Length of the recording layer - Blu-ray Forum

NetKeeper · 05-02-2004, 09:37 AM

By curiosity, I wish to know what is length of the spiral for Blu-Ray Disc, knowing that CD-ROM have one of approximately 7 km (4.35 miles) and the DVD of 25km (15.534 miles).

Thank you in advance for the answer.

Excuse me for English

ops:

Arnaud Ruiz
Elève Ingénieur
ESI SUPINFO
Paris Academy Of Computer Science
www.supinfo.com

05-07-2004, 05:04 AM

Dimensional spec. of CD/DVD/BD

Lead-In : 23/22.6/22.6 (mm)
Lead-Out/Program Area Start : 25/25/25 (mm)
Program Area End/Lead-Out Start : 58/58/58 (mm)
Lead-Out End : 58.5/58.5/58.5 (mm)

Program Area 33/34/34 (mm)

Total track length of Program Area in CD : 5,281 m
Total track length of Program Area in DVD : 11,706 m
Total track length of Program Area in BD : 27,070 m

※ All dimensions of BD are assumed as those of DVD.
If you want some more details send a email to sexymild@yonsei.ac.kr

NetKeeper · 05-07-2004, 06:18 AM

Thank you very much for the answer !

Blu-Wave · 05-08-2004, 07:41 PM

... just don't be expecting it to come up too often in your average pub quiz!...

05-02-2004, 09:37 AM	#1
NetKeeper New Member Member since:May 2004	Length of the recording layer By curiosity, I wish to know what is length of the spiral for Blu-Ray Disc, knowing that CD-ROM have one of approximately 7 km (4.35 miles) and the DVD of 25km (15.534 miles). Thank you in advance for the answer. Excuse me for English ops: Arnaud Ruiz Elève Ingénieur ESI SUPINFO Paris Academy Of Computer Science www.supinfo.com

05-07-2004, 05:04 AM	#2
sexymild Guest	Total track length of Program Area in CD/DVD/BD Dimensional spec. of CD/DVD/BD Lead-In : 23/22.6/22.6 (mm) Lead-Out/Program Area Start : 25/25/25 (mm) Program Area End/Lead-Out Start : 58/58/58 (mm) Lead-Out End : 58.5/58.5/58.5 (mm) Program Area 33/34/34 (mm) Total track length of Program Area in CD : 5,281 m Total track length of Program Area in DVD : 11,706 m Total track length of Program Area in BD : 27,070 m ※ All dimensions of BD are assumed as those of DVD. If you want some more details send a email to sexymild@yonsei.ac.kr

05-08-2004, 07:41 PM	#4
Blu-Wave Active Member Member since:Apr 2004	Pub Quiz... ... just don't be expecting it to come up too often in your average pub quiz!...

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05-07-2004, 06:18 AM	#3
NetKeeper New Member Member since:May 2004	Thank you very much for the answer !

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