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How to View

Many collections contain sound recordings, video, high-resolution images, and enhanced text that require special viewers. Most viewers can be downloaded free from vendor sites. The links below explain the various formats used and how to access them.

Jump to: Sound Recordings
Sound Recording Formats About the Format Players
RealAudio
(.ra, .ram)
- Minimizes download time
- If you have trouble using RealAudio, download the most recent version of RealPlayer
Windows, Mac: RealPlayer
MP3
(.mp3)
- Offers high-quality sound

- Downloads faster than WAV files
- Windows: Media Player

- Mac: QuickTime
Additional MP3 Players
WAV (WaveForm, .wav) - Higher-quality format

- Must download completely before playing

- Longer download time

- Windows operating systems contain WAV players

- Some browsers contain media players that play WAV files
- Windows: Media Player

- Mac: QuickTime

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Documents (Text and Page Images)

In general, most images of historical documents, as well as transcriptions of documents, are displayed through your web browser. Certain illustrations and higher-resolution images, however, require special formatting.

Document Formats About the Format Viewers
TIFF
(Tagged Image File Format, .tif, .tiff)
Used for images of original pages - TIFF viewers

- Windows: Alternatiff
- Mac OSX: Locate "Preview" on your computer
PDF
(Portable Document Format, .pdf)
Used for page images Adobe Acrobat Reader

Adobe text-only download page
Microsoft word (.doc) Used for text files - Microsoft Office
- WordPad (Windows)
- TextEdit (Mac OSX)

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Images and Photographs

Most prints and photographs are displayed in GIF and JPEG formats and require no special viewers. Some images are also offered as TIFFs—higher-resolution images with larger file sizes that require additional software.

Images, Photograph Formats About the Format Viewers
TIFF
(Tagged Image File Format, .tif, .tiff)
Used for images of original prints and photographs - Windows TIFF viewers
Alternatiff
InterneTIFF
IrfanView
Quick View Plus

- Mac TIFF viewers
OSX: locate "Preview" on your computer Graphic Converter
JPEG/GIF (.jpg, .jpeg, .gif) - Used for webpage images
JPEG/JPG/GIF images can easily be viewed using any graphical internet browser. Internet Explorer and Netscape Navigator are usually set as the "default" viewers for these file types.
Flash (.swf) - Offers smaller, downloadable files and allows films to be viewed on lower-end computers Windows, Mac:
Flash Player (no specific requirements for the versions of the player)

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Video

Video Formats About the Format Players
MPEG
(.mpg, .mpeg)
- Highest-quality files are in the MPEG format

- Average file size is about nine megabytes for each minute of motion picture
Windows: Media Player
Mac: QuickTime
Additional MPEG players
QuickTime
(.mov)
- QuickTime (Cinepak compression)

- Offers smaller, downloadable files and allows films to be viewed on lower-end computers

- Average file size is about five megabytes for each minute of motion picture

- QuickTime 3 (Sorenson compression)

- A streaming file format, enhanced image quality, higher resolution

- Average file size is about six megabytes for each minute of motion picture
Windows, Mac: QuickTime
Windows: Media Player
RealMedia
(.rm, .ram)
- A streaming file format

- Useful for computers with slower Internet connections

- Playback is slower (three to six frames per second) and may be affected by Internet traffic.
Windows: Media Player
Windows, Mac: RealPlayer
Flash (.swf) - Offers smaller, downloadable files and allows films to be viewed on lower-end computers Windows, Mac:
Flash Player (no specific requirements for the versions of the player)




Please use this identifier to cite or link to this item: http://hdl.handle.net/1964/199

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