audio out of sync and capture problem

jcrohio · Post by **jcrohio** » Mon Jan 31, 2005 4:01 am

I am new to the forum - just bought the software Friday night. I am having audio problem showing up in two ways. First, some background. I was a previous owner of Pinnacle Studio 8. Liked the software but audio and video were always out of sync and the DVD authoring did not work. Finally decided to give this another shot and spent two weeks downloading trials of software - Adobe, Ulead, Sonic, and Sony. All had there strong point - all had their weaknesses. Finally decided on Ulead Thursday night when for the first time ever I burned an hour long DVD with menus and no audio problems. Came home Friday, cleaned up my hard drive, cleaned up my registry, ran adaware, and defragged my drive. Then installed Studio 8. As per the sticky in the forum, installed the patches in the order given. Played with the software, read the forums extensively, read the manuals, looked at the tutorials. Decided to try the MPEG route for capturing and burning. Used the Recommended settings and all went very smooth except the audio was not in snyc withe video on the burn. It was on the MPEG created, but not the burn. By the way, I followed all the instruction on the "Recommended Work Flow" to the letter.

Well the obvious solution was to go back and do what I did with the trial version which was to use AVIs as my capture format and let the burn convert to MPEG. However, now a second problem has cropped up. When I change to the settings given for AVI and do the capture, it changes the DV Audio from 48000 KHZ 16 Stereo to 32000 KHZ 12 bit stereo. This has happened twice now. Both times I started with new projects, set all the settings identical to the recommended settings, but have come up with this change. Here is what I set the projest setting at:
NTSC drop frame (29.97 fps)
Microsoft AVI files
24 Bits, 720 x 480, 4:3, 29.97 fps
Lower Field First
DV Video Encoder -- type 1
DV Audio -- NTSC, 48.000 kHz, 16 Bit, Stereo

and here is what it changes to:
NTSC drop frame (29.97 fps)
Microsoft AVI files
24 Bits, 720 x 480, 4:3, 29.97 fps
Lower Field First
DV Video Encoder -- type 1
DV Audio -- NTSC, 32.000 kHz, 12 Bit, Stereo

I like the software and the price, but I am a little frustrated right now. Any suggestions? Will working with the different audio settings hurt anything? Is there a way to use the MPEG capture (I really like that as the total time to produce a DVD was about a third as much as capturing AVIs)? Any help would be greatly appreciated.

Thanks
Jack

Post by **Ken Berry** » Mon Jan 31, 2005 6:31 am

You do not say what your capture source was. But if it was your video camera, you would need to check to see what you have the audio set at in the camera. I think a lot of them are set at 12 bit by default, but you can change it manually to 16 bit (my Canon MV430i was like that). However, if your source was 12 bit, then it will capture as 12 bit 32,000 in DV format as the DV format is an exact match for what is on the camera. You can of course change the audio setting when you convert (Share) the edited video clip to its final format. But changing to a higher quality audio format does not change the fact of a poorer original capture.

THoff · Post by **THoff** » Mon Jan 31, 2005 7:06 am

Also, the settings that were in effect at the time of the filming will be what the DV stream contains, changing the setting now does not affect what's already on tape -- the camcorder will not do a on-the-fly sampling rate conversion.

jcrohio · Post by **jcrohio** » Mon Jan 31, 2005 1:33 pm

You guys were exactly right - my camcorder was set for 12bit instead of 16bit - will change setting and try again - any ideas on the mpeg issue being out of sync?

Thanks for the help

Jack