Im hoping to film a band on friday night ( stealth ) and will also be recording with my edirol ( 24 bit) and wondered how to synch the 24 bit audio.Ive always used 16bit audio when syncing audio,but how do i edit(crop/fade ) auido and save as 24 to add to video project.I doubt the filming will be perfect and more than likely staic,but if i wanted to circulate it,it would be better with the 24 bit audio wouldnt it?.If anyone can suggest anything it would be very much appreciated.
I am kind of a noob at audio synching, but I have recently done it successfully, so I can give you my perspective. First, you may need to clean up/trim/etc your 24/48 audio, so use a program such as Cool Edit Pro that does audio editing and save in 24/48. I use Sony Vegas 10 to make DVDs. Bring your video and cam audio into Vegas, then add your 24/48 track underneath. The trick now is to synch your 24/48 audio with the cam audio. One way to accomplish this is to pan the cam audio to the left and pan the 24/48 audio to the right. Then, using headphones, move the 24/48 track until it is in synch with the cam audio. If your video has no breaks, then I would check the audio at the end of the show to see if it is still in synch. If it is, then remove the cam audio track from vegas and you are done (at least with this phase). Otherwise you may have a break in either the audio or video that is causing the disparity. If that is not the case, then it is likely that the cam and the edirol are not in synch. I forgot how to do this, but you can change the speed of the 24/48 video slightly until it does match up. Again, once it matches remove the cam audio and you are done.
I hope that helps!