Slow motion effect results in an unwanted high pitch sound

whenever i apply the fast/slow/reverse effect to a clip, a high pitch sound is created...how can i get rid of this without extracting the audio of the clip (there is no high pitch prior to applying the slow effect)?

Hi Darin,
... changing the speed of a clip HAS to change the pitch of audio.... have a look at the JES Deinterlacer... it has some nice, elaborate slow-mo effect......

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Slow motion effect

I was wondering how to get that slow motion effect that is so commonly used i music videos. I have a canon xha1 that shoots 60i and 50i. To achieve this effect do I do it all in FCP, or is a combination of having the fps high and then the sequence at 24. I could do it in FCP, but it doesn't look clean. If any body has anysuggestions, thankyou. peace. E.

Final Cut Pro can do slow motion with or without frame blending. In both instances you are creating duplicates of frames in order to create a slow motion effect. These look okay in video but with the effects you are talking about are done with large production values where the shots are done with slow mags where the film is running at a high rate of speed to get more frames in an action. There are cameras today that allow you to over and under crank footage but mainly they are tapeless formats where you are recording to hard drives, disks or cards.
you might want to investigate After Effects version 7 or later where it does time warping where individual pixels are blended rather than an entire frame like in Final Cut.

How to properly timewarp 59.94 footage for slow motion effect for 29.97 output

I have footage filmed in 59.94 that I want to use for slow motion effects and output to 29.97. Using timewarp I seem to get duplicate frames at times. What would the best workflow to accomplish the cleanest result? I've tried interpreting the footage at 29.97 and keeping it at its native 59.94. At this point I feel like I'm just confusing myself further by just trying random things. Thanks!

Always interpret footage as what it really is. If it is really 59.94 progressive then that's what it should be interpreted as. It will play at the right speed in any comp of any frame rate. IOW, if the footage is 10 seconds and you put it in a 99fps comp and play it back at full frame rate the clip will still be 10 seconds long. If you put it in a comp that's 15 frames per second, the clip will still be 10 seconds long.
Make sure you understand that.
There is a chance, and a good chance, that your footage is actually full frame 59.94 fps video. That's why I suggested putting it in a comp that's also 59.94 fps and checking for duplicate frames.
There is also a chance that your footage is actually 29.97 fps interlaced. If you separate fields and look at the footage in a 59.94 fps comp you won't see any duplicate frames.
To change the speed of the clip you just need to apply Time Remapping, Time Warp, or any of the other Time Time tools in AE. It doesn't make any difference what the frame rate of the composition is, you'll be changing the length of the clip.
To keep from creating duplicate frames you either need software that interprets the new, extra frames or you need to use an exact whole number multiple of the frame rate for rendering.
Where did you get the footage? What Camera? What are you trying to do with it? What is the final destination (delivery) for your project.

How about using a 60fps video for a smooth slow motion effect in a 30fps project ?

Hey all,
I happen to have a video camera that is able to shoot either in 720p/60fps or 720p/30fps.
As you guessed it, 60 fps mode is very useful for action sports when you want to do some slow motion effect running very smoothly.
I have few questions I would love to be answered, and I was not able to find answers till now.
Here they are :
1/ If I want my final video file to be, let's say, 25 fps, is it mandatory that my project is 25 fps too ?
What will happen if I do a 30fps project and that I export to a 25fps file ? Does Premiere simply remove some extra frames ? Or will it lead to a longer video ? What consequence on the final result if frames are removed ? I mean, will I be able to see any difference or will the difference remain theorical ?
2/ Let's say I have both 30fps and 60fps videos. I set my project to 30fps. If I import my 60fps video to the timeline, it will be adjusted to 30fps and some frames disappear to keep the duration the same. Okay, this is clear to me.
But now, what if I import my 60fps to the timeline, but set the speed to 50% ? Will Premiere apply the 50% to the original file (therefore I should have all the frames displayed on the timeline : 60/2=30 fps), or to the 30fps-adjusted file of the timeline, leading to some jerky footage?
3/ If I want to use my 60fps for slow motion purpose in my 30fps project, would it be a good idea to right-click on this file in the project windows, going to the "modify" menu to set the image frequency to 30fps ?
Because while doing so, if I drag the file to the timeline, I noticed it would last 2 times longer (resulting in a slow motion video) Does that mean that ALL the frames of the original video are displayed ? Can someone tell me what exactly does Premiere ?
I would be very grateful if someone could tell me what are the correct settings to chose in order to realise the best slow motion videos as possible.
Thanks in advance !

With due respect... this does not answer my question and does not help me that much , but anyway, thank you for the very constructive answer ^^.
I'm not sure I would even have considered doing this by myself...
I hope I do not get this kind of answer because you feel like my question was silly or unpolite... To my mind this was a pretty serious question.
Shooternz, next time you need to go 150 km far away from where you are, go by feet rather than with a car, I'm sure you will have plenty of satisfaction too. Just cross the fingers for you not to be in a hurry while it's raining outside.
Well, I may be naive but i thought some experts already had the answer to this (I guess I'm not the only one who intend to do some slo mo), and would have been kind enough to share this knowledge with me. That's what sometimes happens in communities.
Please note I do not intend others to do the job for me, I'm just asking if someone already knows the answer.
I asked this question because I couldn't find any documentation about this, and I guess asking on internet was the next step, as testing would be like the last resort, being very time consuming.
It was easy to check the effect of dragging a file to the timeline to see if it played normally or not, but it's definitely not to count and compare each frame of some sample file to find if some are lacking, or have been doubled or what....
I assume I would be very happy with just a simple theorical answer either...
So once again, if someone already has been into such questions, I would really pleased him or her to share or report what they experienced. Thanks in advance.

My slow motion effect won't work... HELP ME!!!

I really need some help here. The original version of Imovie that came with my OS X worked great when it came to adding the effect of slow motion with the little bar at the bottom. I just recently purchased the Ilife 05 package and was all excited to get editing... but now I can't get the slow motion effect to work at all. It does all the rendering of the clip but the effect does not appear in my time line!!! What is wrong??? Please help me!!!

Hey Karsten... I'm back again...
Yes you guessed correctly... but I never want to see another pc in my life. Now about my prob... I did as you said and still nada. I wish the upgraded version in the Ilife 05 package still had the slow motion control at the bottom of the main screen like in the prior version, but they have taken it off of the main screen and placed in the special effects folder as "fast/slow/reverse". and it is here that it slows the clip down in the preview and renders the clip with the red bar on the main time line. But the red bar on the bottom of the clip in the time line doesn't move and ofcourse the clip is not put in slow motion.
My brother is quite savy with Mac as well and he can't figure it out either. What do you think???

How can slow-motion iphone6 video be exported to imovie on an iMac and retain its slow motion effect ?

how can slow-motion iphone6 video be exported to imovie on an iMac and retain its slow motion effect ?

thx, i can't see where you do that (access the function to slow the motion of a clip). in the help file it says to 'right click' on the clip to access those functions but when i do i get these optios below (no motion, pan, zoom, pan and zoom). i want access the speed/duration sliders.
i would say the function isn't available at all, but i could be looking in the wrong place (although i have tried everything).
thx for your reply.

High pitched sound - something to do with internal microphone ??

Suddenly my Powerbook has started emitting a high pitched sound through its speakers. You know one of those high frequency ear-blowing sounds when a PA system is being set up and the mic is getting tested and the amp's turned up too loud?
I'm not sure exactly what I was doing when it started, but I think I was making or receiving a telephony call via iChat. During or just after the connection process (which didn't work for some reason but that could've been a problem at the other end), this high pitched squeal started. I can get rid of it by turning down the output volume - the squeal disappears but that of course turns all other output sound down as well. The sound disappears when the volume is turned down about half way.
But...even if the sound is turned down half way, if I put my hand over the left speaker, the sound comes back. No sound comes back if I place hand over right speaker. I assume then that the inbuilt microphone is under the left speaker area, and this has something to do with the inbuilt mic.
The only other thing that's happened in recent times is that I used this Powerbook's audio line-in port to record some sound from an audio casette recently. I used Audio Recorder 2.0 for this. I can't imagine this has been the cause, but thought I'd better mention it. If I go into the Sound Preference panel, I can stop the squeal by changing the sound input device from internal microphone to Line In.
Anyone have a clue as to why this is happening and how iit can be fixed?
Many thanks, Steven

Hey, great suggestion Burn. It prompted me to look at iChat preferences, since that was the only application that I've had open which might engage the internal microphone.
Within iChat Preferences, I clicked on the 'Video' icon, and for the 'Microphone' setting I saw that 'None selected' (or something like that - that option has gone now?) was in place. So I changed the setting to Internal Microphone. The whistle or screech was still there. Then I changed the setting to 'Line In'. No more screech!!
A good result, but is this the way it's supposed to be? Does having the setting as 'Line In' mean that I have to plug headphones in whenever I want to use iChat for internet telephony? Unless I manually change to Internal Microphone, but then I suffer screeching again?
Cheers, Steven

Macbook Pro and high-pitch sound, please help!

Hello,
     I have a Macbook Pro 13 inch that is almost brand new. I just got it 3 months ago for my birthday. About a month or two with my new computer I started hearing a high-pitch sound comming from the computer. The sound only lasts about 3-6 seconds and it goes of at random times. It might make the noise 5 times in one day but then it might go away for 3 days, totally random. The sound comes if the computer is sitting there or is being used. After about 3 months of this going off I deceided to bring it to the Apple store in New Haven, CT. Does anyone have the same problem?
     After bringing my computer in and telling them the problem, they tested in for about 30 minutes. Everything was fine. No fan problem or hardrive problem. I brought the computer back home and within 3 days the sound is back. I drove to the Apple store again told them my problem,again, and they did they same test with no results. Brought it back home, noise is still there. This time im starting to get angry, they arent offering any solution. I bring it back and they take it for about 48 hours and do a extensive check. Nothing was found. I bring it home again and the noise is still there. My father and I went to Apple pretty angry and told them that we appreciate the time they take but something really needs to be done. They have sent it out for 3-5 days and we are awating a phone call to see whats wrong.
     I am hoping that they find something or if they dont can they can replace my computer? I am not spending hours of my own time and gas money going back and forth to Apple for no reason..the Genius bar guys have been no help telling us basically that we are lying and that there is nothing wrong when clearly there is. What can I do? Has anyone had this same noise come from their computer? I really appreciat everyone that decideds to throw some input in. Thank you so much.
Notes:
I have the latest software
Macbook Pro 13'
No physical damage done
Alex Cartier

Make a recording of the sound so the next time you take it in you can let them hear it. It might be best to do a video of the unit so the sound is combined with pictures/video of the computer so they know the sound is coming from it.
IMHO the guys at the B-bars are just about useless for this type of thing. If it isn't a bad drive, HDD or DVD, and the system seems to run OK (actually even if it doesn't run OK but runs at all) they will say "Everything looks OK". Or if the thing is dead they can help. That help will be "You need a new HDD" "You need a new DVD drive" "You need a new Logic board" and that's about it.

Satellite L505-14D, high pitch sound

When I turn up the volume above 40 there is a high pitch sound. This is even when Im not running any programs that generate sound.
Its a sound like when you have your mic to close to the speaker. I tried to deactivate the mic but without result. The drivers is up to date as well.
Dont know how to fix this....
Any one know or recognize this problem?

Thanks for your reply Andrej!
I tried setting the brightness to max but nothing changed. As soon as i pass volume 36 the sound comes back, and gets louder if I continue to increase the volume.
No one else has this problem or heard about it?

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Unfortunately lenovo it's a big dissapointment.

G5 Dual 2.5GHz freezes with a very high pitch sound

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My G5 Dual 2.5GHz freezes with a very high pitch sound from inside the comp. It happens occasionally after a few days of everything running smoothly. Someone can help ?
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Hi Phil Brayshaw-
What does the little white power light do? This should be helpful: About the Power Mac G5 (Late 2005) diagnostic LEDs
Although it sounds to me like you have tried most of the troubleshooting steps, this document is a good overall reference to address this particular problem: Power Mac G5: What to do if you see black, white, or no video at start up
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I have a problem with my new W520.
During win7 start up, my computer often freezes, and when it does so, a high pitch sound sets in.
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Just got my Quad yesterday
Everything is good, except that it has a very high pitch sound that is very annoying and it hurts my ears in the long run.
I disconnected the HD and superdrive to see if I could locate the source, but it is still there.
I thought about pulling the gpu (6600 256MB), but I don't know if the Quad will start up without a gpu.
I thought the 6600 was supposed to be with a fan, but all I see is black cooling ribs.
Any others with this sound ?
Its not a fan noise, and not a pump noise. It is like a 'electronic' whine.

I have sensitive hearing and noticed something similar when I got my 2.5GHz liquid-cooled G5. It was a constant sound and believe it was coming from the cooling pump. Does your sound ever vary? Try running System Load and see if you can get it to vary.
-Bmer
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Slow motion effect results in an unwanted high pitch sound

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