KVCD: Sound Synchronization problems?
Hi, i have som problem to chenge my avi movie file (25frames/sec) to a KVCD movie file. The sound is coming early than image. Its always happen in movies that have 25 frames/sec configuration. I tried to use many diferents templates, many softwares to mux sound and movie, i tried to extract the sound qith virtualdub and put it in tmpgenc.
Always when i extract the sound file with virtualdub, i see that the time of the sound file is smaller that the movie file. The movies with another configuration (23,976 and 29,9 Frames/sec run perfectly. Is it normal with 25 frames/sec movies? Is it a bug in Tmpgenc? Thanks... |
make sure that you do a fps conversion to 25 fps when you using Besweet for the MP2 sound file.
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It seems that he doesn't need to do a conversation as source and target fps are/will be the same.
And .. if there is a fps issue, the sound would start IN SYNC, but gets more out of sync the more the movie reaches the end. So I don't know, but maybe you still got some wrong delay settings in Besweet from past conversions? Did you check in bbmpeg the delay values? |
im getting same prob i encoded from an divx avi with is 25 fps and the sync gets more out of sync as the films plays on.
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I'm getting this problem but I used heada3che to deal with the audio. Is there anyway to syncronise the audio with the movie? becuase in the bginnning the 1st 5 mins its fine. It just gets worse as the movie plays. how many kps is 128 bitrate wise
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The length of the PAL-audiofile (overall playtime) will be shorter than the NTSC-video (~96%),so you'll have to slow down the audiotrack a little. This could be done with besweet and the besweet-gui http://dspguru.doom9.org/ without changing the pitch. In the "OTA" frame, you have to mark the Present Fileld, and set it to "PAL ->NTSC (25.000 to 23.976)" After that, mux the audio track to your Video and it will be synchron. Good Luck |
HOw do you do that for NTSC to PAL KVCD?
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