A compressed, bitmapped file type that reduces file size by reducing repetitive pixel patterns
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GIF - Graphics Interchange Format
A compressed Bitmap file type that can be animated sequences of images or a single image
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PNG - Portable Network Graphics
A compressed, bitmapped image file type that uses lossless compression. It was intitially developed for online image sharing
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TIFF - Tagged Image File Format
Developed to be usable in both Microsoft Windows and Apple Macintosh operating systems. They can uses lossy or lossless compression
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PICT
Apple's native grapic file type that can store Bitmap or Vector graphics. It has been recently superseded by PDF.
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TXT - Text
Stores plain text files that can be readily viewed in many word processors
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CSV - Comma Separated Values
Plain text files that can be created, viewed and edited in a plain text editor, but equally opened and editted in spreadsheets or databases
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RTF - Rich Text Format
Used for text based documents that supports basic formatting. It allows movement of text files between word processors and operating systems
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PDF - Portable Document Format
Holds text, formatting, images or editable regions. Can be viewed using many applications and created using a save or print command from within a program
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Features of PDF files
- Powerful compression techniques - Stores the fonts used in document - Password protected
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WAV - Windows Waveform
Provides a close likeness to original sound through lossless compression. Large file sizes mean they aren't used for practical distribution online
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MP3 - MPEG Audio Layer 3
Sounds that humans don't hear are discarded by lossy compression. File size is reduced to one tenth of original size
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WMA - Windows Media Audio
Created by Microsoft to compete with MP3. Uses a variable amount of lossy compression
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MIDI - Musical Instrument Digital Interface
Captured via a serial interface conected to an electronic instrument. The connections linking the two are called MIDI channels. MIDI is a format which instructs the computer how to play the sound back by using MIDI codes to represent instrument used
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MPEG - Moving/ Motion Picture Experts Group
Uses delta compression which only transmits the pixels which change between frames. To sustyain video quality, a whole frame will be transmitted at less frequent intervals
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MP4 - MPEG-4 Part 14
Designed for digital streaming. It stores and plays audio and video. Supports subtitling and streaming and still contains images. Uses lossy comperssion is used
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AVI - Audio Video Interleave
Supports multiple video streams playing from 1 file. No further compression is applied, which sustains original quality but means larger file sizes are needed.
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Other cards in this set
Card 2
Front
A compressed Bitmap file type that can be animated sequences of images or a single image
Back
GIF - Graphics Interchange Format
Card 3
Front
A compressed, bitmapped image file type that uses lossless compression. It was intitially developed for online image sharing
Back
Card 4
Front
Developed to be usable in both Microsoft Windows and Apple Macintosh operating systems. They can uses lossy or lossless compression
Back
Card 5
Front
Apple's native grapic file type that can store Bitmap or Vector graphics. It has been recently superseded by PDF.
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