英语翻译Required audio stream absent in a Track The "Track 1" Tr

英语翻译
Required audio stream absent in a Track
The "Track 1" Track does not include an audio conform to the DVD-Video standard.
When authoring a NTSC DVD-Video,each Track should at least contain one dolby digital or linear PCM audio stream.
In the Track settings,change the MPEG-1 Audio layer 2 audio into Dolby Digital or linear PCM to avoid this warning appearance .