University
of Texas Digital Video Producers Group
GSLIS Entry by Quinn Stewart
Best Practices for Digital Video Compression
This document presents a matrix of compressed digital video clips in Real, Quicktime, and Windows Media formats.
The Digital Video Compressionist's
Matrix
Quinn Stewart
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Clip
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Hardware
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Software
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Configuration Settings
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Encoding time
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File size
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Target Bandwidth
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Output Format
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Frame Rate
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Clip Length
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Output Size
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Staffing Costs
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Dell Optiplex GX400 P4 1.4 Ghz 256M RAM Windows XP Professional |
Adobe Premiere 6.01 with Advanced RealMedia Export Plugin |
512K Single-rate stream DSL/Cable Modem |
2 minutes |
broadband 512K and 256K modem 56K |
RealVideo 8 |
30 fps 15 fps |
640X426 240X160 |
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| 104M | 30 sec | ||||||||||
| 1UTDVG640X426fps30 | 512K | 5.4M | 30 fps | 640X426 | |||||||
| 1UTDVG640X426fps15 | 512K | 1.6M | 15 fps | 640X426 | |||||||
| 1UTDVG320X212fps30 | 256K | 2.6M | 30 fps | 320X212 | |||||||
| 1UTDVG320X212fps15 | 256K | 864K | 15 fps | 320X212 | |||||||
| 1UTDVG240X160fps15 | 56K | 508K | 15fps | 240X180 | |||||||
| 256K Single-rate stream DSL/Cable Modem Audio-Voice Only Video-Sharpest image 2 pass VBR no output monitoring |
2 minutes | ||||||||||
| 118M | 33 sec | ||||||||||
| 2UTDVG640X426fps30 | 512K | 1.9M | 30 fps | 640X426 | |||||||
| 2UTDVG640X426fps15 | 512K | 1.8M | 15 fps | 640X426 | |||||||
| 2UTDVG320X212fps30 | 256K | 912K | 30 fps | 320X212 | |||||||
| 2UTDVG320X212fps15 | 256K | 914K | 15 fps | 320X212 | |||||||
| 2UTDVG240X160fps15 | 56K | 147K | 15 fps | 240X160 | |||||||
| 56K Single-rate stream Modem Audio-Voice Only Video-Sharpest image 2 pass VBR no output monitoring |
2 minutes | ||||||||||
| 135M | 35 sec | ||||||||||
| 3UTDVG640X426fps30 | 512K | 2.6M | 30 fps | 640X426 | |||||||
| 3UTDVG640X426fps15 | 512K | 2.2M | 15 fps | 640X426 | |||||||
| 3UTDVG320X212fps30 | 256K | 1.0M | 30 fps | 320X212 | |||||||
| 3UTDVG320X212fps15 | 256K | 1.0M | 15 fps | 320X212 | |||||||
| 3UTDVG240X160fps15 | 56K | 198K | 15 fps | 240X160 | |||||||
| Clip Number and Type |
Macintosh G4 Powerbook Ti |
iMovie with QuickTime Export | Expert Setting Sorenson Video 3, Best Depth, Best Quality | ||||||||
| rtsp://cougar.gslis.utexas.edu/UTDVG/ | 2 minutes | 102M | |||||||||
| 1UTDVG640X480fps30.mov | |||||||||||
| 1UTDVG640X480fps15.mov | |||||||||||
| 1UTDVG320X240.mov | |||||||||||
| 1UTDVG240X180.mov | |||||||||||
| rtsp://cougar.gslis.utexas.edu/UTDVG/ | 109M | ||||||||||
| 2UTDVG640X480fps15.mov | 42M | ||||||||||
| 2UTDVG320X240fps12.mov | 11M | ||||||||||
| 2UTDVG240X180fps12.mov | 7M | ||||||||||
| rtsp://cougar.gslis.utexas.edu/UTDVG/ | 120M | ||||||||||
| 3UTDVG640X480fps15.mov | |||||||||||
| 3UTDVG320X240fps12.mov | |||||||||||
| 3UTDVG240X180fps12.mov | |||||||||||
| 3UTDVG240X180fps12K56.mov | |||||||||||
| 3UTDVG320X240fps12K256.mov | 256K bitrate | 2 minutes | 4.8M | ||||||||
| 3UTDVG640X480fps15K1500.mov | 1500K bitrate | 5 minutes | 38M | ||||||||
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Hardware
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Software
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Configuration Settings
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Encoding time
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File size
|
Target Bandwidth
|
Output Format
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Frame Rate
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Clip Length
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Output Size
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Staffing Costs
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| Clip Number and Type | AMD Clone 600 Mhz, 256M RAM, Windows XP Professional | Windows Movie Maker 1.2, | Initial capture at full DV resolution |
1.5Mbps 256Kbps 128Kbps |
Windows Media Video 8 |
640X480 |
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| mms://mack.gslis.utexas.edu/Content/UTDVG/ | 99M | ||||||||||
| 1UTDVG640X480fps30.WMV | Other, Video for Local Playback/CD-R | 10-12 minutes | 5 M | 1.5 Mbps | 30 | 28 sec | 640X480 | ||||
| 1UTDVG320X240fps30.WMV | Other, Video for Broadband | 3-4 minutes | 793K | 256Kbps | 30 | 320X240 | |||||
| 1UTDVG320X240fps15.WMV | Other, Video for email and single ISDN | 1-2 minutes | 351K | 128Kbps | 15 | 320X240 | |||||
| mms://mack.gslis.utexas.edu/Content/UTDVG/ | 108M | ||||||||||
| 2UTDVG640X480fps30.WMV | Other, Video for Local Playback/CD-R | 5.3M | 1.5Mbps | 30 | 30 sec | 640X480 | |||||
| 2UTDVG320X240fps30.WMV | Other, Video for Broadband | 846K | 256Kbps | 30 | 320X240 | ||||||
| 2UTDVG320X240fps15.WMV | Other, Video for email and single ISDN | 372K | 128Kbps | 15 | 320X240 | ||||||
| mms://mack.gslis.utexas.edu/Content/UTDVG/ | 128M | ||||||||||
| 3UTDVG640X480fps30.WMV | Other, Video for Local Playback/CD-R. | 6.3M | 1.5Mbps | 30 | 35 sec | 640X480 | |||||
| 3UTDVG320X240fps30.WMV | Other, Video for Broadband | 993K | 256Kbps | 30 | 320X240 | ||||||
| 3UTDVG320X240fps15.WMV | Other, Video for email and single ISDN | 444K | 128Kbps | 15 | 320X240 | ||||||
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