Teresa Seito: Activity About Popular
Teresa Seito

Member Since:
February 29th 2012
12 Posts
Trouble with Canon 60D footage and H4N Zoom audio...
by Teresa Seito 7 years ago
I know Peter Burger tends to have a lot of this information so I'm writing this mainly to him to see if he has any answers. So I captured video with my 60D and audio with my H4N Zoom. The video is 192
Re: Trouble with Canon 60D footage and H4N Zoom audio...
by Teresa Seito 7 years ago
Thank you very much! All the information is indeed helpful!
Canon EOS DSLR Export Confusion in After Effects and Premiere Pro
by Teresa Seito 7 years ago
Hey guys, could use some help here. I have a couple questions. 1) I've shot footage on the Canon 60D at 23.976 fps 1920 x 1080. 2) I transcode the footage with Cineform Neoscene to an AVI file (4 2 2
Re: Canon EOS DSLR Export Confusion in After Effects and Premiere Pro
by Pete Burger 7 years ago
Teresa Seito "5) If I choose a LOSSLESS compression scheme, and if I try to play the rendered AVI file straight from the desktop, it looks choppy and stutters." Teresa Seito "1) What is going on Why
Teresa Seito 7 years ago
To anyone who wants to know about the use of H4N Zoom audio and syncing it with Canon EOS DSLRs...

I want to share my experience so if you have a difficult time like I did, you can have a solution.

Originally I recorded video on a Canon 60d, obviously in the h.264 codec at 24 fps (23.976 NTSC) at 1920 X 1080p. On the Zoom, I recorded audio in the .wav format at 48 kHz at 24 bits.

I imported both formats into Premiere Pro and then I synced both assets beautifully. However, I found that whenever I exported to a final format, the audio and video was always out of sync.

I played with various combinations of exported formats and I thought it odd that whenever I opened the exported files in AE or Premiere Pro, the audio and video would sync up! But whenever I exported to Quicktime or to H.264 Youtube HD, they would never sync up fully. There was always a compromise between taking a hit in video quality to make both sync, or to have beautiful video footage but no audio sync.

And then I decided to transcode the Canon H.264 video to an AVI format instead. Then I took the AVI file and the WAV audio and imported both back into Premiere Pro.

This time, the results were amazing! Unlike before, it didn't matter what format I exported out to, the video and audio remained synced.

Now I don't know all the specifics, but it seems that Premiere Prot didn't like to combine the Canon H.264 format native file with the Wav file, but it had no problem combining the Canon footage AFTER it was transcoded to AVI using Cineform's Neoscene.

Again, I'm not certain of the physics, but I wrestled with this for 8 hours, and now only AFTER transcoding the footage, does my footage sync perfectly with the audio from the H4N Zoom without any sync issues.

I post this because I have read elsewhere that people have had problems with this too. And that engineers have looked at this phenomenon at Youtube and not been able to understand why there is sync issues. They keep telling Youtubers to follow the correct upload procedures but they get the same results. Logic tells me I should be able to combine the Canon H.264 footage with a Wav file in Premiere Pro with no problem and export without any sync issues, but experience has taught me different. Until someone with more info can post on this, I will use this as my method. I hope it helps whoever needs it.
Canon DSLR Dynamic Range
by Teresa Seito 8 years ago
I'm trying to find out what the dynamic range (or tonal range) of Canon DSLR HD video footage is Is it 6 stops 7 stops If anyone knows the answer I would be grateful. I'm using both a Canon 5D and a 6
Re: Canon DSLR Dynamic Range
by Teresa Seito 7 years ago
I was curious more for the video. I thought that the tonal range of video was different than for stills. I'll have to check with Canon. Thank you.
+1
Canon HDSLR Footage and Alpha Layers
by Teresa Seito 8 years ago
Hi, I have a question whose answer I might have figured out, but I'm not sure. I am importing Canon HDSLR footage into AE, and I notice that AE gives it an opaque (white) Alpha layer in the Alpha chan
Re: Canon HDSLR Footage and Alpha Layers
by Teresa Seito 8 years ago
Yes, thank you. I knew that AE adds an opaque alpha channel in. I was curious if there was some magic switch that would add a pre-multiplied layer with a range of transparency (from opaque to complete
+1
5D or 60D for green screen shoot
by Kevin Gonzales 9 years ago
I'm getting ready to shoot a commercial and we are contemplating using the Canon 5D or Canon 60D for the shoot. My only concern is part of the shoot will be on green screen. Does anyone know how these
Re: 5D or 60D for green screen shoot
by Teresa Seito 8 years ago
Did you transcode your Canon 60D footage If so, to what codec I'm trying to key Canon 60D footage and I want to make sure I have the best footage I can have. I need at least 4 2 2 bit depth and not 4
Canon HDSLR workflow...Really need advice...
by Teresa Seito 8 years ago
Sorry, I'm kinda new to some of this stuff especially when it comes to Canon digital workflows but I really need some seasoned advice here. Firstly, I have the Canon 60D, and I plan on shooting video
Re: Canon HDSLR workflow...Really need advice...
by Pete Burger 8 years ago
Teresa Seito " If there is an ideal codec in Streamclip for PC based AE, I'd like to know that in addition to those for Encoder" If with Media Encoder or Streamclip, good and often used intermediate
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