Using 48fps for music video at DVinfo.net

Using 48fps for music video · November 4th, 2009, 09:51 AM

Hey Guys, I have a situation where the client wants me to shoot music video overcranked so we can slow it down in post. I am wondering if anyone has any idea on how I will sync up the video to actual audio recording. He is going to play the song at double speed. Any ideas will be more then welcomed.

Jason

Piotr Wozniacki · November 4th, 2009, 10:02 AM

Quote:

Originally Posted by Jason LeFrense

Hey Guys, I have a situation where the client wants me to shoot music video overcranked so we can slow it down in post. I am wondering if anyone has any idea on how I will sync up the video to actual audio recording. He is going to play the song at double speed. Any ideas will be more then welcomed.

Jason

Playing the song at double speed, syncing it with you 48 fps overcranked video, and then slowing them both down 50% would work as far as sync is considered. However,

- speeding/slowing any kind of music this much brings about a lot of pitch-related problems. If you have really good, pro tools for preserving the pitch, you could try this path.

Shaun R Walker · November 4th, 2009, 03:44 PM

Piotor is correct. I did the same thing in this music video

Kotadama - 3 Simple Words on Vimeo

. Slom-mo stuff starts in the middle of the clip

The band may have difficulty playing and singing along to the double speed playback, but the results are pretty cool

Andrew Stone · November 5th, 2009, 02:12 AM

Quote:

Originally Posted by Piotr Wozniacki

Playing the song at double speed, syncing it with you 48 fps overcranked video, and then slowing them both down 50% would work as far as sync is considered. However,

- speeding/slowing any kind of music this much brings about a lot of pitch-related problems. If you have really good, pro tools for preserving the pitch, you could try this path.

Unless all the music is completely MIDI based. The beauty about midi is you can adjust tempo without pitch shifting.

Jason LeFrense · November 5th, 2009, 09:38 PM

great job on the video man, the footage looked great. Thats exactly what I am trying to do. The band actually has the recording in double speed so they plan on playing it on set so they can sync to it.

Tim Polster · November 5th, 2009, 10:22 PM

Maybe I am missing something but you would not need to slow the music down for the final output.

You would perform on the set with the music playing on set at twice speed, but you would only slow the video down to half speed in post.

If everything worked well your music playing at normal speed would match the now 1/2 speed video.

So no audio pitch problems should be in the mix.

The video "My Sacrifice" by Creed comes to mind. Most of this video is shot this way. Looks great.

Graham King · November 9th, 2009, 11:44 AM

I shot 2 music videos both at 60 fps S&Q and did not change pitch. I velcroed a $200 audio recorder to the camera rig, set it to 48khz, attched the shotgun, slated every shot that had a performance. The audio synced perfectly in post. After syncing it was just like I recorded with camera audio.

Here's the first video. It's my first music video ever so nothing special: Bohemia - Charso Bees (420)

November 5th, 2009, 10:22 PM	#6
Tim Polster Trustee Join Date: Dec 2004 Location: Arlington, TX Posts: 1,057	Maybe I am missing something but you would not need to slow the music down for the final output. You would perform on the set with the music playing on set at twice speed, but you would only slow the video down to half speed in post. If everything worked well your music playing at normal speed would match the now 1/2 speed video. So no audio pitch problems should be in the mix. The video "My Sacrifice" by Creed comes to mind. Most of this video is shot this way. Looks great. __________________ Tim Polster www.metroplexmultimedia.com

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

November 5th, 2009, 09:38 PM	#5
Jason LeFrense Regular Crew Join Date: Jun 2008 Location: Sydney Canada Posts: 99	great job on the video man, the footage looked great. Thats exactly what I am trying to do. The band actually has the recording in double speed so they plan on playing it on set so they can sync to it.

November 9th, 2009, 11:44 AM	#7
Graham King New Boot Join Date: Nov 2008 Location: Oakland, CA Posts: 15	I shot 2 music videos both at 60 fps S&Q and did not change pitch. I velcroed a $200 audio recorder to the camera rig, set it to 48khz, attched the shotgun, slated every shot that had a performance. The audio synced perfectly in post. After syncing it was just like I recorded with camera audio. Here's the first video. It's my first music video ever so nothing special: Bohemia - Charso Bees (420)