Thread View: adobe.premiere.pro.win
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Started by Alex
Fri, 23 Oct 2009 00:53
HD audio sync problems
Author: Alex
Date: Fri, 23 Oct 2009 00:53
Date: Fri, 23 Oct 2009 00:53
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I got a new Samsung HD camera but have difficulties with audio out of sync in Premiere Pro. When the mp4 files are imported into premiere, it incorrectly believes they are 14.99 FPS when in fact they are 30FPS. When I playback the files in premiere pro, the audio is played back at normal speed but the video is played back at half speed. On the other hand, if I play back the files in Quicktime, they work perfectly. I can set the video to 30FPS but then the audio speed is doubled and clearly still out of sync with the video. My guess is that I'm using the wrong project settings when I create a new project. I'm sure there's someone out there who has solved this problem once before. Any help is greatly appreciated. Thanks in advance
Re: HD audio sync problems
Author: Reverend Fuzzy
Date: Fri, 23 Oct 2009 04:20
Date: Fri, 23 Oct 2009 04:20
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On Oct 22, 7:53 pm, Alex <alexander.gl...@gmail.com> wrote: > I got a new Samsung HD camera but have difficulties with audio out of > sync in Premiere Pro. When the mp4 files are imported into premiere, > it incorrectly believes they are 14.99 FPS when in fact they are > 30FPS. When I playback the files in premiere pro, the audio is played > back at normal speed but the video is played back at half speed. On > the other hand, if I play back the files in Quicktime, they work > perfectly. Will the camera render the video to something OTHER than MP4?
Re: HD audio sync problems
Author: Alex
Date: Mon, 26 Oct 2009 01:09
Date: Mon, 26 Oct 2009 01:09
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On Oct 23, 12:20 am, Reverend Fuzzy <cmay...@msbministries.org> wrote: > On Oct 22, 7:53 pm, Alex <alexander.gl...@gmail.com> wrote: > > > I got a new Samsung HD camera but have difficulties with audio out of > > sync in Premiere Pro. When the mp4 files are imported into premiere, > > it incorrectly believes they are 14.99 FPS when in fact they are > > 30FPS. When I playback the files in premiere pro, the audio is played > > back at normal speed but the video is played back at half speed. On > > the other hand, if I play back the files in Quicktime, they work > > perfectly. > > Will the camera render the video to something OTHER than MP4? I came up with a hack which works but takes alot of extra time and makes it difficult to cue in and out points. Basically every clip is imported twice, first for audio and second for video. Use interpret footage on the video clip and set it to the appropriate FPS. Then it is possible to drag the audio component from the audio clip and the video component from the video clip to a new sequence and they playback properly. Things get ugly however when you have footage that spans multiple files. As for recording in alternate formats, I'm pretty sure the camera is a one trick pony. From <http://www.samsung.com/us/consumer/photography/camcorders/high- definition/HMX-R10BN/XAA/index.idx?pagetype=prd_detail&tab=spec> Recording Format H.264 / MP Recording Resolution Video HD: 1920x1080@60i(SF/N) 1920x1080@30p(SF) 1280x720@60p(SF)Video SD: 720x480P@60p(SF)VGA@30p(SF) Recording Quality SF / F / N Alex
Re: HD audio sync problems
Author: Reverend Fuzzy
Date: Mon, 26 Oct 2009 02:44
Date: Mon, 26 Oct 2009 02:44
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On Oct 25, 8:09 pm, Alex <alexander.gl...@gmail.com> wrote: > On Oct 23, 12:20 am, Reverend Fuzzy <cmay...@msbministries.org> wrote: > > > On Oct 22, 7:53 pm, Alex <alexander.gl...@gmail.com> wrote: > > > > I got a new Samsung HD camera but have difficulties with audio out of > > > sync in Premiere Pro. When the mp4 files are imported into premiere, > > > it incorrectly believes they are 14.99 FPS when in fact they are > > > 30FPS. When I playback the files in premiere pro, the audio is played > > > back at normal speed but the video is played back at half speed. On > > > the other hand, if I play back the files in Quicktime, they work > > > perfectly. > > > Will the camera render the video to something OTHER than MP4? > > I came up with a hack which works but takes alot of extra time and > makes it difficult to cue in and out points. Basically every clip is > imported twice, first for audio and second for video. Use interpret > footage on the video clip and set it to the appropriate FPS. Then it > is possible to drag the audio component from the audio clip and the > video component from the video clip to a new sequence and they > playback properly. Things get ugly however when you have footage that > spans multiple files. As for recording in alternate formats, I'm > pretty sure the camera is a one trick pony. > > From <http://www.samsung.com/us/consumer/photography/camcorders/high- > definition/HMX-R10BN/XAA/index.idx?pagetype=prd_detail&tab=spec> > > Recording Format H.264 / MP > Recording Resolution Video HD: 1920x1080@60i(SF/N) 1920x1080@30p(SF) > 1280x720@60p(SF)Video SD: 720x480P@60p(SF)VGA@30p(SF) > Recording Quality SF / F / N > > Alex To have video and audio out of sync like that sounds like it could be a codec issue. Try rendering from MPEG4 to MPEG1 using something like the tsunami mpeg encoder, and then import it into your project, and see if it still sync-slips.
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