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- Amiga FAQ
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-
- What is Multimedia, and how can it be used on the Amiga? FAQ
- has the answers...
-
- Q. What is Multimedia?
- A. That's a tricky question, but a good definition would be
- that a Multimedia project is a combination of several
- elements: including graphics, animation, video, sound, music
- and sometimes -- although not always -- a degree of
- interactivity.
-
- Q. Why is Multimedia different from Programming?
- A. There is nothing you can't do with Multimedia that you
- couldn't sit down and create from scratch with a compiler or
- assembler. However, that's not what Multimedia is about:
- it's the end product which is more important than the tools
- used to create it. Plus of course, MultiMedia is one of
- those cute words which can be used to sell otherwise dull
- PCs because they come with a set of speakers.
-
- Q. Is the Amiga a good Multimedia platform?
- A. The Amiga is an excellent Multimedia computer. It has
- built in sound and music capabilities, as well as excellent
- graphics: all as standard. It can also be expanded with hard
- drives, more memory and faster processors for larger
- projects. More and more users are also buying CDROM drives:
- the ideal platform for Multimedia projects.
-
- Q. How can I use Multimedia on the Amiga?
- A. There are many Multimedia Authoring packages available.
- These vary in complexity from the programming language level
- of AMOS or BLITZ Basic to the "point-and-click" level of
- Optonica's MultiMedia Experience. There are many levels in
- between. Some are great for video effects (SCALA for
- example), some are great for writing graphics-based programs
- (CanDO for example). Some are great at everything.
-
- Q. Which should I get?
- A. That really depends on what you want to do. For display
- or video work, SCALA is hard to beat. If you want to create
- a program which users can interact with, MultiMedia
- Experience is a good way to get started. If you want to
- write a graphics adventure, look out for CanDo. A language
- like AMOS or Blitz will provide you will all the routines
- required to load, display and play images, animations and
- sounds: but you will need to program the rest yourself.
-
- Q. How can I create good "still" images?
- A. Good graphics are essential to a Multimedia project. You
- can always draw them yourself in a paint package if you are
- artistic, but the best source of high-quality images is a
- flatbed scanner, such as the Epson series which will grab in
- 24 bit colour and so the results will look excellent in HAM8
- mode. Cheaper hand scanners can also give good results, and
- with a little experimentation and a good source a video
- digitiser can provide high quality images. There are many
- CDROM available which contain images which you can use, but
- you would be lucky to find a disk containing pictures which
- fit your exact requirements.
-
- Q. How can I create moving video?
- A. Grabbing moving video to add to your project is not easy.
- The only way to get VHS quality images at the moment is to
- use MPEG compression, but although companies like HiSoft are
- developing MPEG decoders (players), encoders are too
- expensive to use. It is possible to use software to encode
- images, but the results are poor. MJPEG systems like Motion
- VLAB will grab moving video and play it back, but the
- hardware is required for playback and it's very expensive.
- Until the cost of playing back moving video is reduced,
- perhaps the best approach is to use a remotely controlled
- video record or laserdisk player. A good budget buy is the
- VideoMaster system for the A1200 which can grab 16 shade
- mono frames and convert them into standard animation files.
- These can then be replayed from memory or harddisk.
-
- Q. Can I control other equipment remotely?
- A. Yes: SCALA can control plenty of external hardware such
- as Genlocks and Laserdisk players. This allows you to play
- back video, fade it in and out and overlay Amiga graphics on
- top. Any ARexx compatible system can be used to control
- InfraRed Remote Control hardware with add-ons such as
- InfraRexx from the Aminet.
-
- Q. Can I add sound to my graphics?
- A. Certainly: the Amiga is capable of replaying sound
- samples at the same time as displaying images or animations.
- Most Multimedia Authoring systems will do this quite easily.
- Some Animation playback systems are also capable of
- triggering sounds on certain frames: for example, MainActor
- Broadcast.
-
- Q. What about music?
- A. Due to the popularity of the various MOD files, it's
- quite straightforward to compose a tune in a program such as
- OctaMed and then play it back from within the project. Most
- authoring software can cope with files in several formats.
- For professional quality results, you can add a MIDI
- interface and a MIDI compatible sound source. Example MIDI
- sound sources include keyboards, but also plain looking
- boxes -- some of which contain several hundred CD quality
- instruments and drums for less than 200 pounds.
-
- Q. How can I record my work onto video tape?
- A. You can record it on video tape quite easily -- as long
- as you stick to the standard Amiga video and don't use
- any DoubleScan modes. The composite video output at the back
- of the Amiga can be used together with the sound output, and
- connected to a video recorder. You may need a special SCART
- lead, but these are widely available as many camcorders
- provide the same output signals. A Genlock may give better
- results, especially as many have SVHS outputs which will
- record better if you have a SVHS compatible video recorder.
- Using a Genlock such as the GVP model and authoring software
- such as SCALA allows much more control (fading, colour
- effects and so on).
-
- Q. Can I distribute my Multimedia projects on disk?
- A. If you write it yourself in Blitz or AMOS or any other
- programming language, most certainly. Most other authoring
- systems provide a special "Player" which can be freely
- distributed. You must be carefull to make sure that you
- haven't included material which may be copyright
-
-
- Q. Can I dstribute my projects on CDROM?
- A. Yes, but mastering and pressing CDROMS is an expensive
- business. Amiga software is just becoming available, but you
- might be better asking an existing CD publisher if they
- would be prepared to take on your work and pay a royaly.
-