Video tapes vs Video files

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Video tapes vs Video files
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Video tapes vs Video files
1. Wear and tear
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Video tapes vs Video files
1. Wear and tear

• Video cassettes do suffer from playback
  and winding. Slowly but surely, quality
  deteriorates until the tape has to be replaced.
• A master tape has to be found, and
  duplicated.
• This must be taken into account when
  calculating costs.

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Video tapes vs Video files
1. Wear and tear

• As with any computer file, a digital video
  file can be played an unlimited amount of times
  without the quality ever deteriorating.

• Video cassettes do suffer from playback
  and winding. Slowly but surely, quality
  deteriorates until the tape has to be replaced.
• A master tape has to be found, and
  duplicated.
• This must be taken into account when
  calculating costs.

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Video tapes vs Video files
2. Random access
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Video tapes vs Video files
2. Random access

• Accessing a particular spot on a video
  tape is both lengthy and inaccurate. This is
  especially true of VHS tapes, where the time
  counter may differ from machine to machine.
• Without a proper time code actually
  recorded on the tape and a video editor as found
  on professional systems, direct access to a point
  on the tape is impossible.

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Video tapes vs Video files
2. Random access

• Every movie is directly accessed by a
  double-click.
• Period.

• Accessing a particular spot on a video
  tape is both lengthy and inaccurate. This is
  especially true of VHS tapes, where the time
  counter may differ from machine to machine.
• Without a proper time code actually
  recorded on the tape and a video editor as found
  on professional systems, direct access to a point
  on the tape is impossible.

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Video tapes vs Video files
3. Storage and life expectancy
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Video tapes vs Video files
3. Storage and life expectancy

• Tape-based media may be damaged by
  several factors
• Air too damp or too dry, dust, magnetic
  fields and temperature changes may damage them
  forever.

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Video tapes vs Video files
3. Storage and life expectancy

• Optical media like CDs and DVDs are only
  sensitive to dust and scratches. These are easier
  to prevent.
• DVD-ROMs allow storing of data comparable to
  video cassettes, USING ABOUT 5 TIMES LESS SHELVE
  SPACE, thus optimizing valuable real estate.

• Tape-based media may be damaged by
  several factors
• Air too damp or too dry, dust, magnetic
  fields and temperature changes may damage them
  forever.

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Video tapes vs Video files
4. Handling
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Video tapes vs Video files
4. Handling

• Cassettes should in principle be rewound
  after each use, to prevent damaging the tape
  surface.
• But who does it ?

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Video tapes vs Video files
4. Handling

• On a digital video file, rewinding is not
  even possible, let alone desirable!

• Cassettes should in principle be rewound
  after each use, to prevent damaging the tape
  surface.
• But who does it ?

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Video tapes vs Video files
5. Copies
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Video tapes vs Video files
5. Copies

• As with any analogue source, quality
  deteriorates with every copy generation. This
  makes it difficult to cater for more users.
• If new copies must be made FROM THE
  MASTER TAPE to prevent quality loss, this must be
  taken into account when calculating costs.

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Video tapes vs Video files
5. Copies

• Just drag and drop to copy the file. No
  quality loss will be incurred. No extra cost
  either.

• As with any analogue source, quality
  deteriorates with every copy generation. This
  makes it difficult to cater for more users.
• If new copies must be made FROM THE
  MASTER TAPE to prevent quality loss, this must be
  taken into account when calculating costs.

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Video tapes vs Video files
6. Multiple Uses
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Video tapes vs Video files
6. Multiple Uses

• A video tape can only be used for a given
  audience at a given time.

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Video tapes vs Video files
6. Multiple Uses

• Once a film exists in digital form, it can
  be converted into different formats, and each can
  be applied to a specific use.
• For example, it can be viewed on an
  intranet, for users to access it from anywhere in
  the world.
• It can also be stored on DVD and
  distributed, in order to be viewed from a
  computer or on a TV set through a dedicated DVD
  player.

• A video tape can only be used for a given
  audience at a given time.

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Video tapes vs Video files
7. Standards
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Video tapes vs Video files
7. Standards

• Different regions of the world use
  different video standards.
• PAL, SECAM, NTSC make international
  distributing of identical contents both
  error-prone and costly.

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Video tapes vs Video files
7. Standards

• Digital video uses worldwide standards.
• This offers a production process both
  straighforward and economical.
• For example, .mpg (I or II) is a
  worldwide format compatible with all computer
  platforms, as are .avi , .mov. or generic DVD
  (i.e. not zone-encoded)

• Different regions of the world use
  different video standards.
• PAL, SECAM, NTSC make international
  distributing of identical contents both
  error-prone and costly.

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8. In summary, and a bonus

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MediaGun Exponent Software sarl 79, av.
Louis-Casai 1216 Cointrin Geneva
(Switzerland) 4122 788 24 40 www.mediagun.ch
Video Encoding StudioVox SA 81, av.
Louis-Casai 1216 Cointrin Geneva
(Switzerland) 4122 798 93 05 www.studiovox.ch