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52x45 pixels1.64 KB JPG7 KB uncompressed
600x400 pixels176 KB JPG596 KB uncompressed
Big Ugly Pixel Disease
PowerPoint & File Formats
• JPG or JPEG files• Tiff files• JPG are compressed• TIFF’s are not compressed• Full screen images 1 MB
9
Image File Compression
JPG Quality 121.2 MB compressed
5.5 MB uncompressed
JPG Quality 121.6 KB compressed
5.5 MB uncompressed
PowerPoint & Picture File Size
• <1MB image degradation• Smaller the file, worse the
degradation• Increase file size/res.?• Sorry Charlie, interpolation
PowerPoint & Picture File Size
• >1MB no increase in screen res.• 1MB JPG = 10MB JPG• Use image editing software• PPT will do it for you
PowerPoint & Picture File Size
• <1MB image degradation• Smaller the file, worse the
degradation• Increase file size/res.?• Sorry Charlie, interpolation