這是svcd的標準格式
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PAL
Video:
max 2524 kbit/sec MPEG-2 (if the audio is in 224 kbit/s), audio + video bitrate max bitrate is 2748 kbit/s.
480 x 576 pixels
25 frames/second
with up to 4 Subtitles

Audio:
from 32 - 384 kbit/sec MPEG-1 Layer2
with up to 2 Audio Tracks

Extra :
Menus and chapters.
Still pictures 704x576,352x288

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NTSC / NTSCFilm

Video:
max 2524 kbit/sec MPEG-2 (if the audio is in 224 kbit/s), audio + video bitrate max bitrate is 2748 kbit/s.
480 x 480 pixels
29,97 frames/second
23,976 frames/second (NTSC Film)
with up to 4 Subtitles

Audio:
from 32 - 384 kbit/sec MPEG-1 Layer2
with up to 2 Audio Tracks

Extra :
Menus and chapters.
Still pictures 704x480,352x240

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此規格之外的都非標準svcd
nero當然會幫您'處理'
因為您選的是標準svcd格式嘛