tames Posted January 18, 2011 Share Posted January 18, 2011 I read a couple of other entries on this which did not provide any help. I just upgraded my motherboard, graphics and audio. On my old system, Debut worked perfectly. Now, with this much more powerful system, the video/audio stay in synch for exactly 20 seconds then they start drifting - the video dragging behind. This only occurs when I review the recorded MP4 file. It seems to work good while I am actually recording. I have tried recording in different formats such as .flv. Nothing seems to matter. I have also tried messing with the frame rates. Nothing. I have tried several different encoder options with average bitrates set high and low. The video and audio stay in synch if I use the software that comes with the camera - Rocketfish HD webcam Motherboard is an ASUS with an AMD quad-core processor. Graphics integrated ATI 760G chipset - Raedon 3200 controller Windows XP sp3 I did download and install the latest graphics driver updates. Any insight appreciated. Link to comment Share on other sites More sharing options...
baldo Posted February 15, 2011 Share Posted February 15, 2011 I read a couple of other entries on this which did not provide any help. I just upgraded my motherboard, graphics and audio. On my old system, Debut worked perfectly. Now, with this much more powerful system, the video/audio stay in synch for exactly 20 seconds then they start drifting - the video dragging behind. This only occurs when I review the recorded MP4 file. It seems to work good while I am actually recording. I have tried recording in different formats such as .flv. Nothing seems to matter. I have also tried messing with the frame rates. Nothing. I have tried several different encoder options with average bitrates set high and low. The video and audio stay in synch if I use the software that comes with the camera - Rocketfish HD webcam Motherboard is an ASUS with an AMD quad-core processor. Graphics integrated ATI 760G chipset - Raedon 3200 controller Windows XP sp3 I did download and install the latest graphics driver updates. Any insight appreciated. VirtualDub Link to comment Share on other sites More sharing options...
aakalan Posted February 20, 2011 Share Posted February 20, 2011 I have the same problem with an upgraded Win 7/64 system and nothing seems to fix it. Link to comment Share on other sites More sharing options...
sebtux74 Posted March 27, 2014 Share Posted March 27, 2014 Do you use native codec? When I use codec from my system I have the same problem that you, audio and video are out of synch. I don't know why. I have this problem only with seven 64 bits et it's working with vista + DirectX 9. Link to comment Share on other sites More sharing options...
robeyw Posted April 20, 2017 Share Posted April 20, 2017 Useing mp4 encoding, the audio runs very slow (I guess a factor of 3) but have not made careful measuremnts. It does not depend highly on the audio bit rate. debut.exe CPU uage is 3 to 13% during playback. Useing avi, I have not seen a problem. running Windows 7 with 1.6 GHz Celeron CPU 64 bit. Link to comment Share on other sites More sharing options...
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