STILL getting dropped frames

Upgraded hard drives and memory on my Macbook Pro 2011 15inch:
Hard drives = LaCie 3TB Thunderbolt (external) & WD 750GB (internal). Both are 7200 rpm.
Memory = 16GB Corsair RAM
Editing video files recorded with a Canon T3i (1080 @ 24fps, 720 @ 60fps).
Using FCPX from my internal drive and editing files from my external drive, I still get dropped frames. Anyone have experience with this or know how to work around it without using proxy media, etc.? I was hoping Thunderbolt and increased memory would help me edit smoothly on FCPX. Any advice would be much appreciated.
Thanks everyone.

hi
yes it does matter h264 is NOT and editing codec it is a delivery codec. Dropped frmaes or stuttering do matter when you edit because you cant possibly edit to music if some of the the frames are stoicking for 4 frames or more.
Google h264 and prorez and see the difference between the way they are encoded. Very simply h264 stores a lot of informtion in key frames. if you edit a piece of footage thgat os h264 sometimes these key frames are cut away and they have to be remade on the fly. That is why yo can see dropped frames, or stuttering on edit points.
Some people mistakenly think fcpx cannot handel it, even though Quicktime or VLC can play it perfectly.
ProRez 4444has alpha channel information as well, unless you specifically need this, ie you are compositing layers and need the transparecy information, stick to proRes 422. Dont know why the computers heating up? Maybe its as fed up as you?
hth
adam

Similar Messages

HELP, still getting dropped frames!

I'm still receiving dropped frames on my capture, which throws my audio wildly out of sync.
This is an FCP 3.0 running on a 10.4.9 Mac OS X computer, a G5.
I have:
Switched from both Safe RT to Unlimited RT.
Made sure there aren't multiple firewire drives plugged in.
Captured directly to my internal hard drive (as opposed to my external G-Raid)
Switched cameras.
Switched mini-DVs.
(I've also done that thing where you go into User Preferences, Go to Spotlight, Click on Privacy and drag your capture folder into the bin...which didn't work)
I've concluded it must not be the camera itself if two different cameras are both dropping frames, probably some setting in FCP I don't know about.
If anyone can help, I'd really appreciate it, Thanks.

SInce you list an iMac as your computer your options are limited as the usual fix for this problem is adding a second firewire bus and you can't do that with the imac.
But to clear something up, earlier you wrote...
Sorry, I'm running my camera through the firewire device....and capturing all the media to my internal hard drive.
The only hope you have is that you can capture directly to the system drive. To do this, just plug the camera into the computers FW port. Disconnect any other FW devices including the external drive.
If that works you can transfer the footage to the FW drive after capture.
Might also try the spotlight fix again although I don't know how it works if the scratch drive is your system drive.
rh

When i am logging/ Capturing my mac is telling me that i am getting dropped frames. would i need to get a LaCie Hard Drive?

When i am logging/ Capturing my mac is telling me that i am getting dropped frames. would i need to get a LaCie Hard Drive?

To be honest, I've had 2 Lacie drives crash out of 2 bought. That's not a good track record for me.
Your best bet (I'm a computer professional, for what it's worth):
Get a hard drive case or enclosure that supports firewire 800 and put your own PC hard drive (SATA for example) 7200rpm or higher hard drive into it.
Let me explain a bit more. External hard drive manufacturers often put no-name hard drives into fancy cases to cut costs and that's how they make a profit. I've have had nothing but problems with with these types of drives. (Like Lacie) You are much better off getting some type of decent drive enclosure and getting your own GOOD hard drive. I would highly recommend Seagate, I have NEVER had a problem with a Seagate drive in 20 years of owning PCs and Macs. Western Digital is also a good brand (though I had 1 crash). These are the types of drives you would put in your Mac Pro. You want to get an SATA hard drive.
I have owned several external cases where the case electronics fried, but the hard drives were still in good shape. Take the hard drive out, put it into a new case you're good to go!
For video you want to make sure that your hard drive case supports Firewire 800! This is mandatory.
My personal favorite, (and I own 5 of these) is Vantec's NexStar hard drive enclosure. They accept any SATA 3.5" drive (I bought mine from a company called ComputerStop). I have yet to have a single problem with any of them. They are solid aluminum casing, you can literally throw them into your backback, drop them on the floor and your hard drive is fairly well protected from impact damage (at least you won't break the case with anything short of a sledgehammer). I am currently looking at getting a second one of these:
http://www.vantecusa.com/gl/product/view_detail/173
(My bad, this is an IDE case up to 750GB)
This the one you want:
http://www.vantecusa.com/gl/product/view_detail/354
As far as the hard drive, you can get a Seagate Baracuda drive 1TB at 7200rpm drive for about $60. The case and hard drive together, maybe a few over $100 for the whole thing. With shipping, and tax figure about $150.
Don't let the price fool you. It will rock.
Story: I got an iOmega "raid" case with two Seagate drives in it and the iOemga case fried, but the hard drives were still good. Fortunately, they were in two removable trays. I put them into two "rocketfish" hard drive cases almost 3 years ago and I am still using them every day today.
Moral of this story: It's the quality of the hard drive that matters, not what case it's in.
Is it hard to set up?
Not at all. You put the hard drive into a tray, (with Vantec case), screw it in. It only goes in 1 way. Plug in a power cable to the drive. Slide the tray into the case (carefully, don't munch the power cable!) and screw it in place. You can literally do it in 10 minutes or less. There are, of course instructions, but if you are reasonably clever, you can literally see what plugs into what just by looking at it.
Sorry for the long reply, but I have a lot of experience with external drives and I hope this helps others.
Finally, when you make it to the big time you can spend $400, get yourself a firewire RAID enclosure and you can upgrade to 4 external hard drives in 1 enclosure. Figure $800 for that set up, but you can go up to 12 TB of drive space with that, or up to 3TB if you are running redundant discs. But that's a whole other ballgame...
Peace.

Not rendering - Getting dropped frames when exporting to tape

I am trying to export my project to Mini DV tape. I have been successful before, but am continually getting dropped frames. I noticed that the sections that are getting dropped frames are showing that it is not rendered (red bar). I have tried rendering them several times, but still show the red bar. I am using a PowerMac G5, Dual 2 GHZ processor with 3GB RAM. The footage is on a Lacie Firewire 800 external hardrive and there is almost 200 GB of free space. I do get occasional dropped frames, but not as often as I am now.

Is there anything else I can do? When I get the Warning - Dropped frames, it suggests turning off "Unlimited RT", which I have and set to "Safe" because I was getting dropped frames. Will this affect the quality when exporting? I have set the Video Quality to "Dynamic" and Frame Rate "Full" and Record "Full Quality". Do any of these settings need to be changed? Lowering your compression data rate (I'm not sure what that is), Closing open sequences (which I've done), Lowering the preference for real-time audio tracks (how do I do that and again will it affect the quality?), Increasing the speed of your system and/or disk drives and/or network connection (Is there a way for me to do that?)

Captured video is OK but getting dropped frames in Canvas

I've read through the posts about dropped frames, but can't find a solution. Please help!
When I capture video and play it back in the viewer, it looks normal. But when I pull the video into the Timeline and edit it, the video on the Canvas looks choppy and frames appear to be dropped. When there's fast movement in the shot, it looks "ghosty". I've fully rendered everything as per the user manual, but I'm still having issues. Even when I export the project to a QuickTime movie and burn it on a DVD, the problem remains.
As per the scratch disks tab of system settings, I'm capturing and rendering on an external FW800 drive with 13.5 GB space left. But when I look at the item properties of each clip, the "source" says it's on my internal system drive. Is this normal and if not, perhaps this is a source of the problem?
-2 GHz IMAC Intel Core Duo
-OS 10.4.11
-Memory 2 GB 667 MHz DDR2 SDRAM
-FCP 5.0
-DV footage
-Cache files are saving to system drive
-Playback settings: safe RT, high quality, full frame rate, pulldown pattern 2:3:2:3.
-QT version 7.5
Please help!

You said you had about 13GB remaining on the drive. How large is that drive altogether? Also, how large is this project? How much space does all the content take up and how long and complicated is your timeline? The answer to these questions may not get you the answer you're looking for, but it's a start in the right direction. If it's a feasible length and size, you shouldn't have any problems as far as RAM or processing power, so you're good on that. You might also want to change the specs you have. Apparently you've updated your OS since filling it out.

Running 35' FW cable from deck to G5 for capturing, getting dropped frames

I am capturing from a JVC BR-DV6000 deck to a Dual 2GHz PowerPC G5, but the Firewire800 cable connecting the two runs up and through a ceiling, over some ceiling tile, and actually close to a fluorescent light fixture, then down through the wall and out of an opening in the dry-wall.
Does a 35' long firewire400 cable cause dropped frames?
Or could the fluorescent light fixture be causing some sort of interference?

iirc, the IEEE 1394 (aka firewire) standard specifies 5 meters as the maximum length of a firewire cable without a repeater.
Very high quality cables may get you farther, but you are pushing it
x

Still more Dropped Frames during playback

i imported an iMovie project into FCE HD. I rendered several minutes of video, including several edits from the iMovie project. none of the windows overlap. i have Safe RT, low quality, 2 audio tracks, etc. etc. i.e. all the lowest, least demanding settings i can think of for my system. still, i get only a few seconds of playback before stuttering to a halt.
in the warning screen, it says something about lowering my "compression data rate". i don't see anywhere to change that.
i've maxed out the ram on my machine (1GB).
any other ideas?
PowerBook G4 Mac OS X (10.3.9) 667 Mhz

how to convert a .dv file to a Final Cut friendly
one
Let me quote from Simons i5m site the instructions
for doing what you need, using QuickTime Pro:
- Open your iMovie .dv file in Quicktime Pro.
- Extract the audio track
- Export the audio track as a Quicktime Movie, Linear
PCM format, Channels Stereo (L R), 48kHz, 16bit
sample size
- Delete the audio track from the .dv file
- Open the exported audio file, select all and copy.
- Select All in the .dv file
- Add the exported Audio file using Add to Movie
- Export/Save As the .dv file as a self contained
Quicktime Movie
- Import this movie in FCE
I already used this procedure and works well. The
main point is to create a separate PCM audio track in
the file, as expected by FCE. This avoids the audio
rendering. Video is already in the FCE native form
(DV) and does not need any processing.
If you do not have QuickTime Pro (strongly
recommended though) another possibility is to first
import the .dv file in FCE, then render audio at item
level, then export/QuickTime Movie - Self-contained,
and finally import the new file into FCE for
editing.
Piero
I've done my own version of these instructions which take advantage of QT Pro 7's ability to directly export an AIFF soundtrack. If anyone has any issues with these, let me know.
One other thing is the instructions seem to imply the output file will still be a .dv file, but it is .mov, which made me think I was doing something wrong at first.
Exporting an iMovie file to a Quicktime .mov file for Final Cut:
1. Right click (or control click) on your iMovie project, chose "Show Package Contents," open the Media folder then open the .dv file enclosed in the Media folder.
2. Choose File > Export from the pulldown menu and chose "Sound to AIFF." Click the Options button, then the following options Format: Linear PCM, Channels: Stereo (L R) (or Mono, depending on your project), Rate 44.100 kHz, Quality: Normal, Sample size: 16 bits.
3. Choose Window > Show Movie Properties, select the Sound Track, then click on the Delete button.
4. Open the exported soundtrack .aif file. Choose Edit > Select All, then choose Edit > Copy.
5. Click on the .dv file's quicktime window to make it active. Make sure the play head is at the very beginning of the track. Choose Edit > Select All, then choose Edit > Add to Movie.
6. Choose File > Save As. Click on the Save as a self-contained movie button. This will save as a .mov file, not a .dv file. This file can then be imported into Final Cut.

After 2.1 update still getting dropped calls

After 2.1 update I have dropped at least 15 Phone calls , the signal strength is usually on 5 bars 3g , the calls drop without warning (doesnt break up or destort voice), It also seems if I look at email while on a call it drops the call about 20 seconds later, another odd thing is the improved reception at my desk at work , used to get 1 bar on EDGE or no service , after 2.1 update I got 5 bars on 3g and the internet was pretty fast in the same spot but only during the morning time , I went back into the office about an hour later the bars dropped to 1 bar on EDGE/no service and the internet wouldnt even work , and now today when talking with my girlfriend (who has the same phone) the call quality has dropped , the speech sounds like she or I are talking through a voice changer where the words become incomprehensible or the sound totally drops momentarily and then returns to normal , so now im finding myself asking are you there over and over , do you think this phone will ever exhibit excellent voice quality and call reliablity or should I just go back to my old company?

Since updating my phone to the new 2.1 Firmware I have been seeing my phone at full bars which I normally don't see on a regulars bases like I do now but if I am having full bars why am I having connectivity issues like when I am talking on the phone it is constantly breaking up almost to the point it sounds like a blown speaker and when I send a SMS it pauses at the end of the loading box for about a minutes before the messages is completely sent. These 2 issues I have never experienced until right after the install of the new 2.1 Firmware

Still having dropped frame problems in 720p

This situation will not go away. I can play 1080i all day but try to play a 720p sequence and frames drop
every few seconds. In the browser and in the timeline. Doesn't matter if the media is on an external SATA array or on the internals. The playback stalls. This has gotten extremely frustrating. Any help the the folks in the know?
Best,
Tom

I agree with Tallguy. It's either the higher frame rate, the type of compression or both.

Dropped frames during playback and Record To Tape

Mac G-5, OS X 10.4.4; 4 X 2.5 GHz; 4.5 GB DDR2; NVIDIA GeForce 6600 w/256MB.
G-Raid 1TB, Format Mac OS Extended; External FireWire 800 port.
Maxtor 300GB Internal, Format Mac OS Extended (journaled)
Tape deck, Sony Mini DV GV-D1000 NTSC FireWire 400 port used for digitizing and mastering.
Have searched forum for solution to dropped frames. Based on other suggestions, set Final Cut Pro 5 RT button to SafeRT; Playback quality to High; Playback Frame Rate, Full. Compression rate at 75%. Sequence > Render All-Video Needs Rendering;Audio, For Playback Render Only-Mixdown.
System Settings--Scratch Disk Video Capture and Audio Capture set to RAID. Video Render and Audio Render set both to Maxtor or RAID. Either case dropped frames.
User Preference--Real-Time Audio Mixing, 2 tracks (have also tried 4 tracks, which equals # of tracks actually used).
In spite of changing all the above settings, I still get dropped frames. Am I missing yet another setting that will fix the problem?
Kerwin

Any heavy filtering and/or effects?...including audio, since you've specified the same number of audio tracks in your real-time audio prefs that you're working with...
...and yes, please explain 75% compression...
K

Troubleshooting dropped frames on playback FCP 5, Tiger G5

for some reason i keep getting dropped frames on playback after upgrading everything to tiger and fcp 5...
i'm working off of a lacie d2 firewire 800 drive on a dual 2.0 G5 with 2.5 GB of RAM..
even when i change the playback settings to dynamic or even medium and half resolution ... i still get dropped frames during effects like variable time.
has anybody else had this problem? perhaps i'm missing some optimization i should have done in tiger??
any suggestions?
thanks.

thought i'd post some of what i found out...
1) turning off my airport card has seemed to help a bit
-perhaps because dashbord is always running in the background (is there a way to disable this?)
2) turning off adobe version cue also seemed to help

Dropped frames during playback & must render everything & tried everything

This is an updated question. My last posting for some reason did not include everything, such as my System Settings, A/V Settings, and View Settings. There also was no Preview option. Hope it works this time.
I am editing a multiple camera project with a lot of color correction (to get the cameras to match up), and photo montages with motion and image compositing.
I am getting way too many dropped frames during playback, and I have to render every little thing, even simple dissolves. It's taking forever to work like this, and is extremely counter productive. I have tried all the obvious things, but nothing seems to be working. Please help.
I have a 17 inch Mac Book Pro, using OX 10.4.8, processor 2.16 ghz, Intel Core Duo, memory 2 gigs, 667 mhz, DDR2 SDRAM.
Using FCP 5.1.4, and Quicktime 7.1.3
My external hard drive is a 300 gig Maxtor One Touch II, firewire 800, 7200 rpm, which is divided up into 3 partitions of 100 gigs each:
First Partition - 12.79 gigs left (did not use for this project. Mac OS Extended (Journaled)
Second Partition - 44.53 gigs left. Currently using now. MAC OS Extended.
Third Partition - 47.75 gigs left. (Used earlier - had another project on it and ran out of space so I switched to the second partition. The other project is now deleted which left me 47.75 gigs.) Mac OS Extended (Journaled).
Here are my current settings that may be applicable:
- Tried variations of playback control: safe and unlimited
- Tried variations of playback video quality: dynamic, high, medium and low.
- Tried variations of playback frame rate: dynamic, full, 1/2, and 1/4
- Record to tape is at full quality.
- Play Base Layer only: Tried on and off
- Monitor Color LCD 1280 x 800 millions, NTSC/PAL 640 x 480 60 hertz NTSC. There is only one ntsc setting which is 60 hertz, so I am unable to increase it.
- User Prefs - Real time audio mixing is at 2.
- System Settings
Memory Usage
Application 100% (1820 MB)
Still Cache 10% (167 MB)
Thumbnail Cache
Disk 8192 k
Ram 512 k
- A/V Settings
Sequence Presets
Frame size - 720 x 480 pixels
Edit timebase - 29.97 fps
Field Dominance - lower even
Pixel Aspect Ratio - NTSC-CCIR 601/DV
Anamorphic - Off
Video Processing - YUV allowed (8 bit)
White Point - White
Compressor - dv/dvcpro-ntsc
Millions of Colors (24 bit)
No Date Rate Limit
No Keyframes Set
Quality - 100
Audio Settings
16-bit 48.000 kHz stereo
View
Video Playback - Digital Cinema Desktop - Full Screen
Sequence
Render All - Everything is checked.
I haven't increase my memory aloted to fcp yet, cause I'm not sure how do it with this version. The article that I found was for the older version. Would that help? If so, could someone tell me exactly how to do it?
Well, that's it. Hope one of you experts out there will be able to help me out.
Thanks
Anneita

Even if you use Dynamic as your playback setting, depending on the complexity of the edit or composite, you may still get dropped frames. Keep in mind that the weak link in this chain is the FW800 connection. You also mentioned that you using quite a bit of color correction as well as motion effects. Depending on the color correction, the more that you add to your sequence as far as effects are concerned, the more processing is required. The dropped frames that you are experiencing is most likely the computer trying to maintain realtime playback at the expense of the quality of the picture. In order to really judge the final result, you'll need to render.
The official definition of Dynamic Playback:
This option allows Final Cut Pro to automatically change between high,
medium, and low quality as necessary to maintain real-time playback. In this case,
the quality of the video resolution can change frame by frame.

Dropping frames after Motion stabilization

Hello,
I'm having a weird problem with Motion and FCP. I'm running FCP Studio 2 (FCP 6) on a MacPro Intel Dual-Quad Core with 2GB of RAM and a Kona 3 card. My media is on 2 internal hard drives - SATA 7200, 500GB each, speed=3gigabits.
I'm working in Apple Prores 422 HQ. When I open my project and play my sequence it plays back fine. I send a clip to Motion (with embed motion content and launch motion checked) and apply motion stabilization; save then quit. I go back over to FCP and I can't play my timeline for more than a couple of seconds before I get dropped frames. It's not just when I play the new Motion clip in the timeline - it's everywhere and it's random. This happens before and after I render. If I remove the motion clip I still get dropped frames. If I shut down FCP without saving and reopen the project (no Motion work having been preserved) it plays back fine. I've tried trashing prefs to no avail. Any advice? I like the elegance of this workflow...if it works! I'm wondering if this is a bug that updating to FCP 6.0.1 will fix.
Thanks in advance for any thoughts...

Alright...I tried a clip using Smoothcam and you're right - fabulous results, analyzation and render times were actually quite fast. However - same dropped frame problem I was getting with Motion. Exact same problem. My system is beefy enough for this, right? I have 2 GB of RAM - I had 5 GB but AJA had me remove 3GB so that I could capture Prores HQ (apparently the Kona 3 with v 4.0 software has a bug that won't allow it to work well on systems with over 2GB of RAM - i.e. couldn't capture prores without dropping frames)
I'm trashing prefs and restarting my system. If this doesn't work I'm going to try updating everything unless anyone out there knows what might be the culprit.

Why am I suddenly getting a "Dropped Frames" error?

Hi,
For two years I was working on a large project in FCP 6 where I was able to do quite a bit of work without ever getting "dropped frames." Recently I deleted this entire project and loaded footage for a MUCH smaller project. This current project is MUCH less demanding. Fewer effects, fewer timelines to work with. Same exact system. Nothing has changed... except now... the mos rudimentary effects will give me dropped-frames upon playback. I know I can toggle a playback settings but how in the world is this suddenly necessary with a project that is 5% as demanding as my previous project??
In particular, the dropped-frames occur when I'm...
* generating basic text and adding a fade to the text
* cropping part of one shot
The specs are the following:
+ MacPro 2.8gb 8-core, 16gb RAM, Mac OS X 10.5.4, four internal hard drives at 500gb each
+ My OS and the FCP program are on Drive 1
+ My audio is on Drive 2
+ My visuals are on Drive 3
+ My FCP file and the render files are on Drive 4
+ The project itself is using footage from a Sony EX1 camera. I'm using audio from AIFF files. The progrmam is 2 minutes in duration. I'm using very little effects at all. 1 track of video. Four tracks of audio.
What's going? Why am I now, with this new/smaller project, suddenly getting dropped frames? Was the deletion process the culprit? What can I do?
Thanks,
Shanked

Download and run the demo version of iDefrag : http://www.coriolis-systems.com/iDefrag.php
Click the drive in question wait for it to build the map then switch to the tab labelled "Files" at the bottom of the window. Sort by #Fragments and the highest will be likely culprits. If you do buy this software change the algorithm to "Optimize" for best results for video. Run it using default settings for the rest of it.
For anyone else reading this I DO NOT recommend using defrag tools on the system drive or a RAID drive. This WILL make things worse for you. Only for use on single drive scenarios. The best way to defrag a RAID array is to move the files off to another drive, wipe the RAID clean then transfer the files back again (You can do this for any file system to improve performance). This will sort the files out again. OSX manages the rest until there is only 10% of your drive left (depending on how much deleting and writing of files happens in between - it's that which cause fragmentation).
In terms of the 'size' issue (which you have no real issue with) I guessed that you meant the duration and complexity of your sequences. It's true that sometimes if you have a lot of sequences open these will use up valuable RAM (as FCP is only 32bit it can only utilize 3GB of RAM at most) and so when it is trying to buffer, cache and output the video it can trip over itself. But your current problem is definitely down to dataflow off the drive and into FCP in time to decode and display the next frame. If it can't do it in time (within 0.03-0.04 seconds) then if detects an error and because you are in SafeRT mode it stops playback and displays the Dropped Frame error window.
Pi

How to overcome "dropped frame" issues on my project

Hey reader,
I have a MacBook Pro 2.4GHz with 250GB hd (85GB free just now) running 10.4.11, FCE HD 3.5 (and QT 7.5.5) and using a Sony Handycam DCR-HC96 (which is works BEAUTIFULLY with iMovie 08 and 6 and is always used with Sony tapes) and I am not able to "capture" the tape content to my MacBook Pro because of the "dropped frame" issue.
The camera is connected to the external hard drive chain via Firewire cable to the MacBook Pro and I was trying to capture to the internal hard drive. I am in the UK and am still struggling to get my head around the different frame rates but initially I got the dreaded "dropped frames were encountered during the last capture attempt" and it just wouldn't work, so I unselected the report dropped frames tab and abort capture in User Preferences as was suggested on here.
Now I get "Capture encountered a problem reading data on your source tape. This could be due to a problem with the tape. Capture has been aborted and your clip has been saved" but the tape is fine (heads are also clean) as I had to (under time pressure, me) use iMovieHD 6 instead and it worked like a CHARM.
What can I do to use this software?
I KNOW I can import the iMovie footage but the disadvantage is the eternal rendering, I guess. I only ever used it once (because of its difficulties) and that was for pre-existing footage from iMovie and it was OK if not perfect. Just had to have a few hours extra for the constant rendering in preview...
Should I try to capture to one of the external hard drives? I read that the internal might be a problem as it is busy with the operating system jobs.
Please and thank you.

I got some dropped frames last night and posted this before noticing your post:
There can be a number of reasons for getting dropped frames during capture.
Yesterday I videoed a relative's wedding (in HDV) and on getting home late I captured the footage into FCP 6.0.3 only to find in a couple of places I got an abort on dropped frames.
This morning I decided to recapture and did so without a single dropped frame.
Why ? ......... there are several possibilities.
It could be that there was some physical problem with the tape or camera heads but I believe it was most likely caused by my camera's power supply.
Last night I used the battery whilst this morning I plugged in the power connector.
I feel that this provided a more constant supply of full power and helped prevent frames from being dropped. (The fact I was using FCP is immaterial as the dropped frames would almost certainly have also occurred in FCE).
From now on I will always use the power connector during transfer to and from the camera.

STILL getting dropped frames

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