Features of Original Object |
Digital Master File |
Access File |
35 mm and medium format, up to 4x5 in.
|
File format:
TIFF or JPEG2000
Pixel array:
4000 pixels across long dimension of image area, excluding mounts and borders
Resolution and bit depth:
Adjust the scan resolution to meet pixel array specifications, based on the format of the original object – approximately 2800 PPI for 35mm originals and ranging down to approximately 800 PPI for originals approaching 4x5 in.
8-bit grayscale mode for black-and-white, can be produced from a 16-bit grayscale file.
-or-
24-bit color mode for color and monochrome (e.g. collodian wet-plate negative, pyro developed negatives, stained negatives, etc.), can be produced from a 48-bit RGB file.
Dimensions:
Sized to match original, no magnification or reduction.
|
File format:
JPEG
Pixel array:
600 pixels across the long dimension
Resolution and bit depth:
8-bit grayscale or 24-bit color, 150-200 PPI
|
Equal to or larger than 4x5” and up to 8x10 in.
|
File format:
TIFF or JPEG2000
Pixel array:
6000 pixels across long dimension of image area, excluding mounts and borders
Resolution and bit depth:
Adjust the scan resolution to meet pixel array specifications, based on the format of the original object – approximately 1200 PPI for 4x5 in. originals and ranging down to approximately 600 PPI for 8x10 in. originals
8-bit grayscale mode for black-and-white, can be produced from a 16-bit grayscale file.
-or-
24-bit RGB mode for color and monochrome (e.g. collodian wet-plate negative, pyro developed negatives, stained negatives, etc.), can be produced from a 48-bit RGB file.
Dimensions:
Sized to match original, no magnification or reduction.
|
File format:
JPEG
Pixel array:
600 pixels across the long dimension
Resolution and bit depth:
8-bit grayscale or 24-bit color, 150-200 PPI
|
Equal to or larger than 8x10 in.
|
File format:
TIFF or JPEG2000
Pixel array:
8000 pixels across long dimension of image area, excluding mounts and borders.
Resolution and bit depth:
Adjust the scan resolution to meet pixel array specifications, based on the format of the original object – approximately 800 PPI for originals and approximately 8x10 in. and ranging down to the appropriate resolution to produce the desired size file from larger originals
8-bit grayscale mode for black-and-white, can be produced from a 16-bit grayscale file.
-or-
24-bit RGB mode for color and monochrome (e.g. collodian wet-plate negative, pyro developed negatives, stained negatives, etc.),
can be produced from a 48-bit RGB file.
Dimensions:
Sized to match original, no magnification or reduction.
|
File format:
JPEG
Pixel array:
600 pixels across the long dimension
Resolution and bit depth:
8-bit grayscale or 24-bit color, 150-200 PPI
|
Features of Original Object |
Digital Master File |
Access File |
8x10 in. or smaller
|
File format:
TIFF or JPEG2000
Pixel array:
4000 pixels across long dimension of image area, excluding mounts and borders
Resolution and bit depth:
Adjust the scan resolution to meet pixel array specifications, based on the format of the original object – approximately 400 PPI for 8x10 in. originals and ranging up to the appropriate resolution to produce the desired size file from smaller originals,
approximately 570 PPI for 5x7 in. and 800 PPI for 4x5 in. or 3.5x5 in. originals.
8-bit grayscale mode for black-and-white, can be produced from a 16-bit grayscale file
-or-
24-bit RGB mode for color and monochrome (e.g. albumen prints or other historic print processes), can be produced from a 48-bit
RGB file
Dimensions:
Sized to match original, no magnification or reduction
|
File format:
JPEG
Pixel array:
600 pixels across the long dimension
Resolution and bit depth:
8-bit grayscale or 24-bit color, 150-200 PPI
|
Equal to or larger than 8x10 in. and up to 11x14 in.
|
File format:
TIFF or JPEG2000
Pixel array:
6000 pixels across long dimension of image area, excluding mounts and borders
Resolution and bit depth:
Adjust the scan resolution to meet pixel array specifications, based on the format of the original object – approximately 600 PPI for originals appropriately 8x10 in. and ranging down to approximately 430 PPI for 11x14 in. originals
8-bit grayscale mode for black-and-white, can be produced from a 16-bit grayscale file.
-or-
24-bit RGB mode for color and monochrome (e.g. albumen prints or other historic print processes), can be produced from a 48-bit
RGB file
Dimensions:
Sized to match original, no magnification or reduction.
|
File format:
JPEG
Pixel array:
600 pixels across the long dimension
Resolution and bit depth:
8-bit grayscale or 24-bit color, 150-200 PPI
|
Equal to or larger than 11x14 in.
|
File format:
TIFF or JPEG2000
Pixel array:
8000 pixels across long dimension of image area, excluding mounts and borders
Adjust the scan resolution to meet pixel array specifications, based on the format of the original object – approximately 570 PPI for originals approximately 11x14 in. and ranging down to the appropriate resolution to produce the desired size file from larger originals
8-bit grayscale mode for black-and-white, can be produced from a 16-bit grayscale file
-or-
24-bit RGB mode for color and monochrome (e.g. albumen prints or other historic print processes), can be produced from a 48-bit RGB file
Dimensions:
Sized to match original, no magnification or reduction.
|
File format:
JPEG
Pixel array:
600 pixels across the long dimension
Resolution and bit depth:
8-bit grayscale or 24-bit color, 150-200 PPI
|
Features of Original Object |
Digital Master File |
Access File |
Clean, high-contrast documents with printed type (e.g. laser printed or typeset)
|
File format:
TIFF or JPEG2000
Pixel array:
6000 pixels across the long dimension for 1-bit bitonal mode.
4000 pixels across long dimension for 8-bit grayscale.
Resolution and bit depth:
1-bit bitonal mode: 600 PPI. The 600 PPI 1-bit files can be produced via scanning or created/derived from 400 PPI, 8-bit grayscale images.
-or-
8-bit grayscale mode:400 PPI
Spatial Dimensions:
100% of original
|
Image file format:
JPEG
Pixel array:
600 pixels across the long dimension
Resolution and bit depth:
8-bit grayscale, 150 – 200 PPI
Other file formats:
PDF
|
Documents with poor legibility or diffuse characters (e.g. carbon copies, Thermofax/Verifax), handwritten annotations or other markings, low inherent contrast, staining, fading, halftone illustrations, or photographs
|
File format:
TIFF or JPEG2000
Pixel array:
4000 pixels across long
dimension.
Resolution and bit depth:
8-bit grayscale mode: 400 PPI
Spacial Dimensions:
100% of original
|
File format:
JPEG
Pixel array:
600 pixels across the long dimension
Resolution and bit depth:
8-bit grayscale or 24-bit color, 150 – 200 PPI
Other file formats:
PDF
|
Documents as described for grayscale scanning and/or where color is important to the interpretation of the information or content, or desire to produce the most accurate representation
|
File format:
TIFF or JPEG2000
Pixel array:
4000 pixels across long dimension
Resolution and bit depth:
24-bit RGB mode - 400 PPI
Spatial Dimensions:
100% of original
|
File format:
JPEG
Pixel array:
600 pixels across the long dimension
Resolution and bit depth:
24-bit color, 150 – 200 PPI
Other file formats:
PDF |
Features of Original Object |
Digital Master File |
Access File |
School yearbook (Generally, clean, high-contrast documents with printed type and photographs)
|
File format:
TIFF or JPEG2000
Pixel array:
6000 pixels across the long dimension for 1-bit bitonal mode.
4000 pixels across long dimension for 8-bit grayscale.
Resolution and bit depth:
8-bit grayscale mode: 300 PPI OR
24-bit color, 300 PPI
Spatial Dimensions:
100% of original
|
Image file format:
JPEG
Pixel array:
600 pixels across the long dimension
Resolution and bit depth: 8-bit grayscale, 150 – 200 PPI
Other file formats:
PDF
|
Features of Original Object |
Digital Master File |
Access File |
Clean, high-contrast documents with printed type (e.g. laser printed or typeset)
|
File format:
TIFF or JPEG2000
Pixel array:
6000 pixels across the long dimension for 1-bit bitonal mode.
4000 pixels across long dimension for 8-grayscale.
Resolution and bit depth:
1-bit bitonal mode: 600 PPI. The 600 PPI 1-bit files can be produced via scanning or created/derived from 400 PPI, 8-bit grayscale images.
-or-
8-bit grayscale mode: 400 PPI
Spatial Dimensions:
100% of original
|
File format:
JPEG
Pixel array:
600 pixels across the long dimension
Resolution and bit depth:
1-bit bitonal or 8-bit grayscale, 200 PPI
|
Documents with poor legibility or diffuse characters (e.g. carbon copies, Thermofax/Verifax), handwritten annotations or other markings, low inherent contrast, staining,fading, halftone illustrations, or photographs
|
File format:
TIFF or JPEG2000
Pixel array:
4000 pixels across long dimension
Resolution and bit depth:
8-bit grayscale mode: 400 PPI
Spatial Dimensions:
100% of original
|
File format:
JPEG
Pixel array:
600 pixels across the long dimension
Resolution and bit depth:
8-bit grayscale, 200 PPI
|
Documents as described for grayscale scanning and/or where color is important to the interpretation of the information or content, or desire to produce the most accurate representation
|
File format:
TIFF or JPEG2000
Pixel array:
4000 pixels across long dimension.
Resolution and bit depth:
24-bit color mode - 400 PPI
Spatial Dimensions:
100% of original
|
File format:
JPEG
Pixel array:
600 pixels across the long dimension
Resolution and bit depth:
24-bit color, 200 PPI
|
Feature of Original Object |
Digital Master File |
Access File |
Clean, high-contrast documents with printed type (e.g. laser printed or typeset)
|
File format:
TIFF or JPEG2000
Pixel array:
6000 pixels across the long dimension for 1-bit bitonal mode.
4000 pixels across long dimension for 8-grayscale.
Resolution and bit depth:
1-bit bitonal mode: 600 PPI The 600 PPI 1-bit files can be produced via scanning or created/derived from400 PPI, 8-bit grayscale
images.
-or-
8-bit grayscale mode: 400 PPI
Spatial Dimensions:
100% of original
|
File format:
JPEG
Pixel array:
1078 pixels across the long dimension
Resolution and bit depth:
1-bit bitonal or 8-bit grayscale, 150-200 PPI
Other file formats:
PDF
|
Documents with poor legibility or diffuse characters (e.g. carbon copies, Thermofax/Verifax), handwritten annotations or other markings, low inherent contrast, staining, fading, halftone illustrations, or photographs
|
File format:
TIFF or JPEG2000
Pixel array:
4000 pixels across long dimension
Resolution and bit depth:
8-bit grayscale mode: 400
Spatial Dimensions:
100% of original
|
File format:
JPEG
Pixel array:
1078 pixels across the long dimension
Resolution and bit depth:
8-bit grayscale, 150-200 PPI
|
Documents as described for grayscale scanning and/or where color is important to the interpretation of the information or content, or desire to produce the most accurate representation
|
File format:
TIFF or JPEG2000
Pixel array:
4000 pixels across long dimension
Resolution and bit depth:
24-bit color mode - 400 PPI
Spatial Dimensions:
100% of original
|
File format:
JPEG
Pixel array:
1078 pixels across the long dimension
Resolution and bit depth:
24-bit color, 150-200 PPI
|
Features of Original Object
|
Digital Master File (Also Production Master)
|
Access File (As Applicable)
|
Analog recording—cassette, reel-to-reel
|
File format:
Wav
Compression:
lossless
Bit rate:
24-bit
Sample rate:
44.1 kHz
Volume:
Best possible without distortion
|
File format:
wma, mp3
Compression:
High quality
Bit rate:
16-bit
Sample rate:
44.1 kHz
Volume:
Best possible without distortion
|