Quicktime goes to "slow motion"

Hi all,
I recently switched to the iMac and can't quite deal with all the tweaks and quirks of it so I would love all the help I could get.
When I watch videos using quicktime (either from an external drive or from the Internet) the clip sometimes goes to "slow motion" and the audio disappears. Is there anything I can do to resolve it either in the settings of the quicktime or the Leopard?
I am using a 2.4GHz processor with 2GB RAM (as well as broadband) so I am baffled by the low performance.
Thanks in advance,
Tal

I have the identical machine listed in your profile.
Those QuickTime settings you mention are only for files served from streaming server software. Like the Macworld Keynote QuickTime file.
They make up less than one tenth of one percent of online videos.
The original poster must give us more information about the files. Post a URL or use the Movie Inspector window of QuickTime Player to tell us more about them.

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When I open a video make with gopro a 120 fps under the timeline( in quicktime) there is a timeline for the slowmotion that show me automatically the video in slowmotion. I don't want this and i'd like to know how i can remove it.
Quicktime 10.4, Yosemite, macbook retina 13(2013)

I know this....but is like close the eyes to don't see the problem.....i need 120 fps.
Had hoped the original poster might provide additional information regarding why high frames rates were required in his or her workflow but not needed for their normal intended purpose of creating ultra smooth slow motion effects as such information might lead to better alternatives than those already provided. However, as three days have already passed, I thought it time to recap this issue for the benefit of other users who might be interested.
BACKGROUND: The basic problem seems to be the fact that the ability to record high speed frame rate video has become more and more common on various consumer recording devices. Originally used by professional and top of the line prosumer devices to provide slow motion sequences during editing, this capability is now available to the average home movie editing enthusiast using the current QT routines built into the latest Mac OS X v10.10 and IOS 8 software. Frankly, I am at a loss to understand why some users are opposed to having these features available to them at the QT X and mobile QT player level. For any persons not familiar with this feature, here are some captured screenshots:
Yosemite QT X Player
IOS 8 Photos App Player on iPhone 5s
As you can see in each of the images above, when the QT player software recognizes my 720p120 GoPro video file and automatically displays a secondary playback control bar below the standard controller. This controller allows a user to set "in" and "out" points for slow motion playback. In the case of the sample above, the movie begins playback at 120 fps, plays the middle segment at 30 fps, and then switches back to 120 fps for the final video segment. Thus, these players can be used to preview slow motion editing potential. By adjusting the position of the "in" and "out" markers, a user can play all, some, or none of the video clip play in slow motion. Such previews can even be shared as "proofs" with other Yosemite/IOS iCloud users but since they contain the original source data scripted with slow motion playback data/instructions, they are frequently too large for emailing as simple attachments to anyone else.
Such player content can even be saved as a mini QT Player "project"— i.e., saving the file copies the clip as currently edited to a new file container which is paired with an additional AAE (described by the Finder as a "Slow Motion Video Sidecar") file. The AAE file appears to be basically be a PLIST file containing "slow motion" playback data/instructions which I assume represents the embedded modifications to "shared" videos. Here is an image of such file content:
Sample AAE "Slow Motion Video Sidecar" File
It should be noted that these slow motion files apparently cannot be directly exported from the QT X v10.4 player app—or rather, I was not able to do so. (I.e., files exported normally but without any slow motion effects.) However, it is a relatively simple matter to "share" a "com.apple.AVKit.Share" file to the Mail app, drag it to the Desktop, and then re-encode the file as an M4V file suitable for many uses using the built-in system encoder. I.e., export result is a 30 fps file retaining both normal and relative slow motion playback segments. This is a handy, although less accurate, alternative to the use of professional or dedicated video editing software for the creation of slow motion clips to share with friends and family or distribute as "proofs" to clients. If you research the internet, you should be able to easily find several articles and forum topics complaining of the lack of such basic, built-in support for such clips over the past few years.
In any case, the QT X player can play the 120 fps files with or without applying any slow motion effect. Other players like QT 7, VLC, NicePlayer, etc. avoid this issue by simply ignoring the significance of such excessive frame rates and attempt to play the files at their original frame rate by dropping frames as needed to keep up with the data throughput. Therefore, I can't really attach much credence to the idea that the previously posted suggestions "is like close the eyes to don't see the problem" and that the "need" for 120 fps files here (without explanations) may be less of a "need" than indicated. As previously stated, the recording of content at 120 fps (or greater) is normally performed to comply with specific future editing requirements and its indiscriminate use is just a waste of file space and battery life for the average "videographer" who simply thinks that "faster is always better."
BASIC RULES OF THUMB FOR NON-PROFESSIONAL USERS:
Use high frame rate recording modes if you think there is even a remote possibility that you will be creating slow motion clips/segments from your recorded content AND you have sufficient storage media AND battery life to handle the project at hand.
Use the most current QT X or IOS 8 media players to quickly preview or share high frame rate clips with slow motion effects without having to access professional or dedicated video editing software.
Use the most current QT X or IOS 8 media players to create and save slow motion settings that can be recalled later.
Use a professional or dedicated video editing app to create and/or share slow motion project content where frame accuracy and/or fluxing is paramount.
Use an alternative media player to preview high frame rate clips when viewing content at its original frame rate AND it is too much trouble for you to adjust these players for non-slomo playback (i.e., a single swipe of a finger or clicked mouse). But remember that higher frame rates and higher resolutions mean higher playback data rates which may make playback "choppy" at best on some systems. (E.g., my 720p120 sample file has a data rate on the order of a VC-1 encoded Blu-ray disc.)
Hope this post may be of use to amateur videography Mac users contemplating the use of newer, high-speed video recording devices and how to use the basic support now available in the latest Mac OS X and IOS 8 operating systems as part of Apple's QT X modernization program.
Happy New Year to All,

Videos play in slow motion using quicktime 7.7 with Iphoto 08'

I have several HD videos from my Sony NEX-3 camera that will not play very well from within iMovie. They freeze up, or run in slow motion while the sound track continues without any problem. I've seen other related comments on this forum, but no one has suggested a fix yet. I can play my clips just fine from the finder menu using "Quick Look". Other videos from the same camera work, what has changed?

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Slow Motion choppy

I've tried to slow down a clip in FCP, and also did a trick with Compressor that's talked about in another discussion on here, and with both attempts, I'm ending up with choppy slow motion. What it's doing is holding on each frame for a period of time (depending on how much it's slowed down), instead of flowing smoothly between the frames and giving a nice slow-mo effect. Rather, it looks like a render job or something, frame by frame, da-da-da-da....and on.
Does anyone have any idea as to why it'd be acting like this? The sequence is set to 29.97 - the footage was captured from a DVcam, firewire, 29.97.
I got the tape from another person who filmed it - there's a chance that it was shot in 24p - could that be the problem? I took the tape and put it in my Sony Handycam to capture the footage. (I think the camera used to record was a Canon - a nicer, higher-end one, but not quite sure if it was 24p).
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Quad-core 2.5 G5 Mac OS X (10.4.3) 30" Apple Cinema Display

I found out that the footage was shot at 24p with a Panasonic AG-DVX100. I was given the tape and captured it with my Sony HandyCam via firewire (hopefully that doesn't cause any problems - so far it looks good when playing back at normal speed).
As far as higher frame rate goes, I am used to doing slo-mo in FCP with footage that I shoot with my Sony cam - at 29.97, and it doesn't behave like this.
When I do the Compressor trick, it looks very similar to slowing it down in FCP, maybe just a little cleaner, but the timing and "pausing on frames" is the same.
If I understand you correctly, I don't believe it was "pre-processed" by de-interlacing, unless that would occur in the way I made the quicktime or something (but I doubt it - I did it as you explained).
Thanks for all the help.
Brian,.
Quad-core 2.5 G5 Mac OS X (10.4.3) 30" Apple Cinema Display

Slow motion 50% export H.264 MOV (at half frame rate)

Hi,
I'm using a QuickTime MOV file (H.264, 1080p/59.94fps, 15 seconds) and have set slow motion to 50% (= 30 seconds).
Can anyone confirm that when I export this clip to 29.97fps I won't lose frames?
I have Compressor and think I found nearly all required settings except:
- Key frames - shall I use automatic or 24 or what? (How can I find out what the original key frame value was?)
- Frame reordering - shall I uncheck this option? (What does it mean? It's not in the manual.)
Many thanks!

If you want to make absolutely sure you won't lose frames, you should manually set a project to 29.97fps, import your 60/59.94fps and conform the video (Retime menu > Conform Speed [the retime menu is the 2nd one from the left over the effects browser area/under the inspector area]). FCPX will automatically frame for frame adjust the video to fit to the slower frame rate.
Key frames (video compression, not animation): a key frame is a complete image -- 100% pixels in use. Every frame between the key frames are only the parts of the image that change from the last frame (like Cel animation). Setting Automatic allows the software to make the best choices of when and where to create a complete frame. Otherwise, you can experiment with different values (up to All, which is pretty much no compression) to see what kinds of results you get and the overall quality (use very short pieces, like 5 -10 seconds.) High motion areas in video are always going to be the most challenging with respect to compression (particularly bitrate), so... it's worth figuring out what settings you like that will give the best results (and 5-10second clips don't take that long to render.) I generally use Automatic and adjust the bitrates to give the best overall results (which occasionally requires testing segments.)
Frame reordering: allows applications to "decompress" video frames in a different order than they are played, thereby allowing those apps that understand it a way to work faster. Larry Jordan suggests that this setting always be set for H.264 video (although I don't if I'm uploading to YouTube -- I try not to give YouTube any excuses for recompressing my video, so I try to have it already optimized before uploading... so far, it seems to be working.)

Slow motion and resolution

Will using slo mo (fcp HD) change image resolution?

I am in charge of creating some segue sequences that are experimental in nature with layers, loops, and slow motion. The director posed the question that it might be a too severely "degraded" image quality compared to the other "talking heads". I just want to know what I'm dealing with when it comes to pushing final cut's filters, traveling mattes, etc to an extreme. < </div>
We call those Cool Assignments.
It's not easily answered. The absolute image quality is predictable by knowing how many filters or render steps are in your process. But the apparent image quality may be far better, as noted above. "Pushing" FCP's effects system is easy because it's so limited until you go out to third party tools and then you must have a firm grounding in codecs and compression.
You are going to distract form the heads not by offering up a degraded image as far as pixel quality is concerned. "Degraded" in your case, seems to refer to the deconstruction of the image by deliberate manipulation.
Here's another question, if I create a complicated sequence with layers, mattes, slo mo, etc. then export to a quicktime file to compress and then import it into the main timeline, will this ensure a higher quality overall? < </div>
As Brian and Zap are trying to add, "compress" isn't what you want to do. That's whey many of us move to Motion or After Effects for this stuff and then render to a lossless codec.
bogiesan

IPhone 6 Plus IOS v8.1 Slow Motion BROKEN

Film in either of the two slow motion speeds and plays back ok on phone. I put the files in the computer (grab the raw file via explorer), on Win 7 Professional, and played with both windows media player AND Quicktime player (up to date players) and the videos play either no slow motion, plays alternating between fast and slow, one time it played slow but had normal voice pitch, other times played slow with low voice pitch. On youtube, they don't play in slow motion. One I shot vertically (which I did just as a test) and it was sideways in the computer, however, youtube rotated it so it's vertical but it is not in HD and it does not play back in slow motion. This same file that was sideways in my computer stopped playing after about 2 seconds in the computer, but played through ok in the phone. I noticed that as the video plays in the phone, there are blue vertical lines below the left/right scrub/scroll bar for the video. This can be set to play only a portion in slow motion. But WHY does it start each video with the ends nudged in so the first 3 sec is regular speed and the last 2 are also reg speed also w/the slo-mo in between? It defaults to this each time an you have to spread it out to get all slow motion..
In Win XP, some of the video files don't show up. It shows .aae files with corresponding numbers to the videos, but most of the videos are not there.
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You said, "...plays back ok on phone." That's where Apple's software stops. Your problems with Win 7, Win XP, Quicktime, and YouTube need to be addressed on forums for those programs and/or sites. Presumably the issue has already been resolved by users on those sites, with different solutions for each.

IPhone 6 240fps slow-motion import

Hey everyone,
I understand when I import the clip into Final Cut Pro I choose 30fps, and then click on the clip and set it to automatic speed. Then I will get my 240fps slow-motion.
2 issues though.
I would like to have the same effect as Quicktime Player opens the file for me. Starts in normal speed and then transfers to the slow-motion. I could probably build this with speed ramp, but is there an easier way to just have it like that already?
Second issue, when I set it to automatic speed, I do not get the sound from it. In final cut pro x it sounds really weird then, just very high sounds (rain), but in Quicktime Player and on my iPhone I really hear the deep sound when the raindrop hits the ground. Any idea how to transfer that sound or how to get it?
Probably needs an upcoming update FCPX?
Edit: Now when I would like to export in QTP to YouTube I do not get the slow-motion either, it's just like that: https://www.youtube.com/watch?v=xkk1DfTcgn0

There is a misconception about the "slow motion videos" in iPhone.
In fact, they *really* are videos recorded with a high frame rate (up to 240fps in iPhone 6).
They are *not* in slow motion per se - even though the iPhone software may play them as such.
In fact, I'll go so far as to say that there is no such thing as slow motion videos. There are videos played in slow motion.
What happens when, say, you drop your 240fps video in a 24fps timeline, is that it plays at normal speed. This is as it should be!
The big deal is that, since your clip has all those extra frames in it, you can use FCP X to slow it down (up to 1/10 the original speed in my example) and it will use all the real frames the camera captured. Plus, you can use all the retiming features in FCP X to obtain perfectly smooth slow motion.
By means of comparison, if you slow down a video recorded at the same frame rate as the project it is in, FCP X has to make up extra frames that did not exist. Even though FCP X has some great algorithms for this (like "Optical Flow"), it can't match real captured frames.

Quicktime goes to "slow motion"

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