Adobe Premiere Pro CC v.7.xx - Manual (Page 175)

Capturing content for DVD
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Frame size
Frame rate
Aspect ratio
Audio bit depth
Audio sample rate
DVD content is compressed according to DVD specifications so that it plays reliably on a wide range of players. When preparing content for a DVD
project, pay attention to frame size and frame rate, so that content retains its quality in the transition to DVD.
For best results, make sure that you capture or record according to these specifications:
NTSC standard 720x480 or PAL standard 720x576. If your project uses a different frame size, Premiere Pro scales it automatically.
29.97 fps (NTSC) or 25 fps (PAL); alternatively, 23.976 (NTSC) for 24p. All footage in a single project must be of the same frame
rate.
4:3 or 16:9 (widescreen).
16 bits.
48 kHz.
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