Adobe AFTER EFFECTS 7.0 - Page 598

ADOBE AFTER EFFECTS 7.0
User Guide
592
• PNG (PNG)
• Radiance (HDR, RGBE, XYZE)
• RLE (RLE)
• SGI (SGI, BW, RGB, 16 bpc)
• Targa (TGA, VBA, ICB, VST)
• TIFF (TIF; 8, 16, and 32 bpc)
Note: File formats that use Adobe Photoshop plug-ins include bitmap, PCX, Pixar, and PNG.
Supported audio file formats
You can output the following audio file formats from After Effects:
• AU audio file (AU)
• Audio Interchange File Format (AIFF)
• MP3 (MP3)
• WAV
For additional information, go to Adobe Studio on the Adobe website.
Adobe periodically provides updates to software and Help. To check for updates, click the Preferences button in
Adobe Help Center, and then click Check For Updates. Follow the on-screen instructions.
See also
“Supported file formats for import” on page 69
About high-definition (HD) video
High-definition video refers to any video format with higher resolution than standard-definition (SD) video formats,
such as NTSC and PAL. There are many competing HD video formats, but the most common have a resolution of
1280 x 720 or 1920 x 1080, with a widescreen aspect ratio of 16:9.
HD video formats include interlaced and noninterlaced varieties. Typically, the highest-resolution formats are inter-
laced at the higher frame rates, because noninterlaced video at this resolution would require a prohibitively high data
rate.
HD video formats are designated by their vertical resolution, scan mode, and frame or field rate (depending on the
scan mode). For example, 1080i60 denotes interlaced scanning of 60 interlaced 1920 x 1080 fields per second,
whereas 720p30 denotes progressive scanning of 30 noninterlaced 1280 x 720 frames per second. In both cases, the
frame rate is approximately 30 frames per second.
Each program in Adobe Production Studio (Adobe Premiere Pro, Adobe After Effects, Adobe Audition, and Adobe
Encore DVD) includes preset settings that are designed for working with various HD formats. Some of the most
common HD video formats you may encounter include the following:
DVCPRO HD Panasonic’s high-definition variant of its DVCPRO format, which also includes DVCPRO25 and
DVCPRO50. Whereas DVCPRO25 and DVCPRO50 support data rates of 25Mbit/s and 50Mbit/s, respectively,
DVCPRO HD supports a data rate of 100Mbit/s, from which it gets its other name, DVCPRO100.