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- Constant_linear_velocity abstract "In optical storage, constant linear velocity (CLV) is a qualifier for the rated speed of an optical disc drive, and may also be applied to the writing speed of recordable discs. CLV implies that the angular velocity (i.e. rpm) varies during an operation, as contrasted with CAV modes. The concept of constant linear velocity was patented in 1886 by phonograph pioneers Chichester Bell and Charles Tainter.Laserdiscs, the first consumer optical discs, used constant linear velocity to double playback time (CLV disc can hold 1 hour per side; CAV disc only 30 minutes). As the motor's speed decreases from 1,800 to 600 rpm when the read head moves away from the center (which is the start of the recording), the disc constantly moves past the read head at a constant speed.Later optical formats such as the audio CD also employ CLV to maintain both a constant data rate and a constant bit density. Their rotation gradually decreases from 495 to 212 rpm to keep the disc moving past the read laser at 1.2 m/s (3.9 ft/s).To accommodate the higher data transfer rates and random access requirements of modern CD-ROM drives, CAV systems are used. This is because seek performance would be greatly affected during random access by the requirement to continually modulate the disc's rotation speed to be appropriate for the read head's position.".
- Constant_linear_velocity thumbnail Comparison_disk_storage.svg?width=300.
- Constant_linear_velocity wikiPageID "1246864".
- Constant_linear_velocity wikiPageLength "3844".
- Constant_linear_velocity wikiPageOutDegree "24".
- Constant_linear_velocity wikiPageRevisionID "683441276".
- Constant_linear_velocity wikiPageWikiLink Angular_velocity.
- Constant_linear_velocity wikiPageWikiLink CD-ROM.
- Constant_linear_velocity wikiPageWikiLink Category:Audio_storage.
- Constant_linear_velocity wikiPageWikiLink Category:Optical_computer_storage.
- Constant_linear_velocity wikiPageWikiLink Category:Rotating_disc_computer_storage_media.
- Constant_linear_velocity wikiPageWikiLink Category:Video_storage.
- Constant_linear_velocity wikiPageWikiLink Charles_Sumner_Tainter.
- Constant_linear_velocity wikiPageWikiLink Chichester_Bell.
- Constant_linear_velocity wikiPageWikiLink Compact_disc.
- Constant_linear_velocity wikiPageWikiLink Constant_angular_velocity.
- Constant_linear_velocity wikiPageWikiLink DVD_recorder.
- Constant_linear_velocity wikiPageWikiLink Hard_disk_drive_performance_characteristics.
- Constant_linear_velocity wikiPageWikiLink Kibibyte.
- Constant_linear_velocity wikiPageWikiLink LaserDisc.
- Constant_linear_velocity wikiPageWikiLink Optical_disc.
- Constant_linear_velocity wikiPageWikiLink Optical_disc_drive.
- Constant_linear_velocity wikiPageWikiLink Optical_storage.
- Constant_linear_velocity wikiPageWikiLink Revolutions_per_minute.
- Constant_linear_velocity wikiPageWikiLink Zone_bit_recording.
- Constant_linear_velocity wikiPageWikiLink File:Comparison_disk_storage.svg.
- Constant_linear_velocity wikiPageWikiLink File:Zone_clv.jpg.
- Constant_linear_velocity wikiPageWikiLinkText "CLV".
- Constant_linear_velocity wikiPageWikiLinkText "Constant linear velocity".
- Constant_linear_velocity wikiPageWikiLinkText "Constant linear velocity#Zoned Constant Linear Velocity".
- Constant_linear_velocity wikiPageWikiLinkText "Zoned Constant Linear Velocity".
- Constant_linear_velocity wikiPageWikiLinkText "Zoned-CLV".
- Constant_linear_velocity wikiPageWikiLinkText "constant angular acceleration".
- Constant_linear_velocity wikiPageWikiLinkText "constant linear velocity".
- Constant_linear_velocity wikiPageWikiLinkText "linear velocity".
- Constant_linear_velocity wikiPageUsesTemplate Template:Convert.
- Constant_linear_velocity wikiPageUsesTemplate Template:Unreferenced.
- Constant_linear_velocity subject Category:Audio_storage.
- Constant_linear_velocity subject Category:Optical_computer_storage.
- Constant_linear_velocity subject Category:Rotating_disc_computer_storage_media.
- Constant_linear_velocity subject Category:Video_storage.
- Constant_linear_velocity hypernym Qualifier.
- Constant_linear_velocity type Document.
- Constant_linear_velocity type Document.
- Constant_linear_velocity type Redirect.
- Constant_linear_velocity comment "In optical storage, constant linear velocity (CLV) is a qualifier for the rated speed of an optical disc drive, and may also be applied to the writing speed of recordable discs. CLV implies that the angular velocity (i.e. rpm) varies during an operation, as contrasted with CAV modes.".
- Constant_linear_velocity label "Constant linear velocity".
- Constant_linear_velocity sameAs Q5163660.
- Constant_linear_velocity sameAs CLV.
- Constant_linear_velocity sameAs CLV.
- Constant_linear_velocity sameAs m.04lvyd.
- Constant_linear_velocity sameAs Q5163660.
- Constant_linear_velocity wasDerivedFrom Constant_linear_velocity?oldid=683441276.
- Constant_linear_velocity depiction Comparison_disk_storage.svg.
- Constant_linear_velocity isPrimaryTopicOf Constant_linear_velocity.