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The Prototype The Team Student Activism The Design Digitization Process The Technology Copyright Information Contact Us |
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About the Digitization Process
Archival text and image documents were digitized using one of the following flatbed scanning machines: Microtek ScanMaker 8700, UMAX PowerLook 2100 XL or Hewlett-Packard ScanJet 5200C. Objects were scanned at 100 percent of original size at a resolution of 400 dpi, 24-bit color, using a colorbar. (Original photographic negatives were scanned at 1000 dpi, grayscale using negative tray adapter on UMAX PowerLook machine.) Original archival files were saved as .tiff images. Four web derivatives for each object were created using Adobe Photoshop software. A full-size version, at original object size and 150 dpi, was made as an archival web master. Large, medium, and small web derivatives also created: large web objects are 800 pixels in width and 150 dpi in resolution, medium web objects are 300 pixels in width and 72 dpi in resolution, and small web objects are 150 pixels in width and 72 dpi in resolution. All web derivatives were saved as .jpeg images. Digital audio files were developed from original cassette recordings using an Edirol AudioCapture UA-5 analog to digital converter and Sound Forge Studio 6.0 software. These files were created at a sampling rate of 44,100 Hz per second, 16-bit word length, single (mono) channel, and saved in .wav format. Indexing of audio masters was performed using Sound Forge software to produce derivative .mp3 files for streaming audio. Surface noise may be apparent on the recordings, and tracks may start or end abruptly, as on the original recordings. Minimal adjustments (including removal of tape hiss) were made to some tracks in order to provide the best possible streaming sound file and without distorting the integrity of the audio recording. All master and derivative digital files were preserved on DVD storage media. |
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