Building Your Encoding Hardware - A Practical Guide to Video and Audio Compression - page 480

29-3 Output Formats Required

Format Size

H.264 low bit-rate demo copy 350 MB

European MPEG-2 compressed copy for DVD 900 MB

American MPEG-2 compressed copy for DVD 900 MB

Down-sampled U.S. SDTV master 720 × 480 × 30 fps 52 GB

Down-sampled European SDTV master 768 × 579 × 25 fps 56 GB

Original source-rendered movie 100 GB

Up-sampled European HDTV/D-Cinema master 1920 × 1080 × 25 fps 261 GB

Up-sampled U.S. HDTV/D-Cinema master 1920 × 1080 × 30 fps 313 GB

Total working space required Approx 785 GB

store. That would allow the master render copies for all 52 episodes to be retained while
the rest of the re-versioning is recorded to tape.
It is possible for frightening amounts of disk space to get consumed even with quite
modest projects. A proposed solution with a bulk store and offline tape backup is shown
in Figure 29-15.
The same specification used for a compression machine would be fine here. In this
case, a top-end machine might be affordable within the available budget, for example,

Compressor

Tape
Backup
Unit

Internal
160 GB
disk

1 GB
of
RAM

LaCie
1 TB
Bigger
Disk

Internal
160 GB
disk

Firewire
Interface

Gigabit Ethernet

Workstation
Workstation
Workstation
Workstation

Render server Archive server

LaCie
1 TB
Bigger
Disk

10 TB
RAID
Store

Figure 29-15 Mid-range system for rendering-team use.