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How to Convert Laser Discs to VCD

Discussion in 'Other video questions' started by jassimali, Feb 21, 2005.

  1. jassimali

    jassimali Member

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    Could anybody provide me some info on how to convert my laser discs to a VCD or DVD format ?
     
  2. nownthen

    nownthen Regular member

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    What is on your "lazer discs"?
    Is this something different from a regular Cd that your talking about?

     
  3. jassimali

    jassimali Member

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    The Laser Discs contain movies and can i copy them to format which could be palayed on a VCD player or a CD-ROM on a PC
     
  4. shiroh

    shiroh Guest

    laser disc, LD, are those oversize cd for movies before the age of dvd.

    to back this up, i think you need to do an analog capture using a capture card.
    unless there's a drive for it on the PC...
     
  5. Harry957

    Harry957 Member

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    Are those discs the size of 12' vinyl?, Does the player have a digital output, if so you may be able to find a way of a digital to digital copy
     
  6. Harry957

    Harry957 Member

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    I have had a read LD is purley analogue apart from the sound carriers where they can be either CD sampling rate or analogue

    Take a look at this before converting to VCD. VCD is a terrible format:

    6.2 CD-I and VideoCD: The digital 5" CD-ROM -like laserdiscs
    Philips claims CD-I to have a clean and sharp digital picture. Sure. The truth just happens to be that when a film is tried to cram in the same bandwidth that CDs use just for sound, the result is no good. Although the theoretical resolution of CD-I is somewhere around 320x256 pixels (240x256 lines), a transition from black to white can't happen in one pixel. This makes the real resolution look more like 200x180 pixels. This is even worse than VHS, which has a resolution of somewhere near 320x585 pixels (240x585 video lines) for PAL, or 320x482 pixels for NTSC.
    When the images are not moving, CD-I appears to have a steady and non-noisy look. But when the picture has much movement, the very low picture data rate of 1.1 Mbits/s makes the picture break into little 8x8 and 16x16 pixel MPEG-1 -compression blocks, which makes any action film look totally disgusting. When you are supposed to be lost in high action, you are lost in compression blocks.

    CD-I discs are claimed to be both NTSC and PAL compatible. This is carried out with an evil scheme: the discs are mastered in a way that makes everything appear 10% too flat on PAL TVs and 10% too tall on NTSC TVs. I find this way of solving problems to be totally unacceptable.

    The video compression ratio on CD-I is approx. 40:1 and audio compression ratio is approx. 5:1.


    Source: http://www.oz.net/blam/LaserDisc/FAQ/
     
  7. shiroh

    shiroh Guest

    yes, normal compliant vcd is terrible.
     

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