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Dave Tyrer · August 4th, 2009, 03:44 AM

Quote:

Originally Posted by Dave Tyrer

As that won't really affect me I'll run some tests when I get all my kit together. It looks like I can convert in Vegas Pro.

One thing I hadn't considered when converting from 30P to 25P would be the change in audio. Looks like it will have to be 25P after all.

Just out of interest is there any way to preserve the original audio when down converting from 30P to 25P or 24P?

If this sounds like a total newbie question it's because I am...so please don't get too technical.

Thanks

Vincent Oliver · August 4th, 2009, 04:03 AM

The audio should stay the same, i.e. if you have recorded 1 min of footahe then the audio will play for 1 min, regardless if you have shot at 25, 24 or 60 fps etc. A fail safe method would be to save the audio as a seperate file, most good audio applications will let you import the soundtrack from any video clip.

Dave Tyrer · August 4th, 2009, 04:59 AM

Quote:

Originally Posted by Vincent Oliver

The audio should stay the same, i.e. if you have recorded 1 min of footahe then the audio will play for 1 min, regardless if you have shot at 25, 24 or 60 fps etc. A fail safe method would be to save the audio as a seperate file, most good audio applications will let you import the soundtrack from any video clip.

So are you saying the audio doesn't slow down or speed up depending on what you convert to?

Vincent Oliver · August 4th, 2009, 05:11 AM

No, the audio will stay the same. If you shoot 24 fps or 30 fps the total will still be one second of footage. Audio works with time, not frames per second. Think of a pie, if you devide the pie with four people you will have four sections, devide it with eight people and you will have eight sections, but the total will still be one pie. I am feeling hungry now, it must be lunch time.

Dave Tyrer · August 4th, 2009, 06:32 AM

Quote:

Originally Posted by Vincent Oliver

No, the audio will stay the same. If you shoot 24 fps or 30 fps the total will still be one second of footage. Audio works with time, not frames per second. Think of a pie, if you devide the pie with four people you will have four sections, devide it with eight people and you will have eight sections, but the total will still be one pie. I am feeling hungry now, it must be lunch time.

Lol...enjoy your lunch. Great explanation...thanks Vincent. No reason why I shouldn't shoot in 30P then :-)

David Herman · August 4th, 2009, 08:37 AM

That was your original question Dave and I waited for a positive confirmation on that as a fellow PAL lander. I find I am struggling a bit with 25P shutter speed 50 any time I pan, even slowly. I would prefer 30P. Is this a definitive yes from the group that 30P 50 is a usable combo?

Dave Tyrer · August 4th, 2009, 09:37 AM

Quote:

Originally Posted by David Herman

That was your original question Dave and I waited for a positive confirmation on that as a fellow PAL lander. I find I am struggling a bit with 25P shutter speed 50 any time I pan, even slowly. I would prefer 30P. Is this a definitive yes from the group that 30P 50 is a usable combo?

David I think the shutter speed for 30P should be 1/60 - 1/50 would be for 25P and 1/48 for 24P

August 4th, 2009, 04:03 AM	#17
Vincent Oliver Trustee Join Date: Sep 2004 Location: Chislehurst, London Posts: 1,724	The audio should stay the same, i.e. if you have recorded 1 min of footahe then the audio will play for 1 min, regardless if you have shot at 25, 24 or 60 fps etc. A fail safe method would be to save the audio as a seperate file, most good audio applications will let you import the soundtrack from any video clip. __________________ Eyes are a deaf man’s ears. Ears are a blind man’s eyes

August 4th, 2009, 05:11 AM	#19
Vincent Oliver Trustee Join Date: Sep 2004 Location: Chislehurst, London Posts: 1,724	No, the audio will stay the same. If you shoot 24 fps or 30 fps the total will still be one second of footage. Audio works with time, not frames per second. Think of a pie, if you devide the pie with four people you will have four sections, devide it with eight people and you will have eight sections, but the total will still be one pie. I am feeling hungry now, it must be lunch time. __________________ Eyes are a deaf man’s ears. Ears are a blind man’s eyes

August 4th, 2009, 08:37 AM	#21
David Herman Regular Crew Join Date: Sep 2003 Location: gloucestershire uk Posts: 93	That was your original question Dave and I waited for a positive confirmation on that as a fellow PAL lander. I find I am struggling a bit with 25P shutter speed 50 any time I pan, even slowly. I would prefer 30P. Is this a definitive yes from the group that 30P 50 is a usable combo?