Premiere Elements Timestretch wants to use -3.23% if I type in the percent field

Community Beginner ,
Apr 18, 2021 Apr 18, 2021

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I captured 11 hours of video from one of my security cameras with playback set to 16x realtime. I used the XBOX screen capture app. The resulting video was 45 minutes. I wanted to compress it to about 2 minutes so I tried using Clip > Timestretch and was going to type 2000 percent. But as soon as I type the 2, the Speed field changes from 100% to -3.23%. It shows two more zeros because I then types two zeros after the 2, hoping that would overwite the -3.23 but it did not. Please see screenshots below. The capture I did is .mp4 format. I have used time stretch before in Premiere Elements 2021 to speed up video I shot with my drone and that is also .mp4 format so I don't know what is going on. The only difference is that I used the CROP effect to crop the video frame first.

Thanks,

Don

 

Premiere Elements 2021 Time Stretch can't type 2000 percent.jpgPremiere Elements 2021 Time Stretch default.jpg

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Adobe Community Professional ,
Apr 18, 2021 Apr 18, 2021

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Premiere Elements does not seem to try to be capable of all codecs that might be inside of an "container" file like .MP4.   Screen capture programs can be among the worst because variable frame rates or other techniques are used.    

 

I checked and the time stretch tool on my computer accepted typing 2000%.  So my guess is that something unique is in your file causing your's to work differently.  Again, because mine works, I am only guessing.   

 

You might try creating a more standard file with the (free) Handbrake conversion program.  

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Adobe Community Professional ,
Apr 18, 2021 Apr 18, 2021

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My thoughts exactly. Security camera by way of Xbox is probably not producing a traditional AVC codec.

 

xtc, open your video in the free download MediaInfo. In MediaInfo, set View to Text and then copy the text of this report and paste it to this forum. Once we see this complete report, we can recommend some possible solutions.

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Community Beginner ,
Apr 19, 2021 Apr 19, 2021

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Steve, Here you go.
Thanks for the help.
Don

General
Complete name : C:\Users\Don\Videos\Captures\ACMS 2021-04-18 10-26-04.mp4
Format : MPEG-4
Format profile : Base Media / Version 2
Codec ID : mp42 (mp41/isom)
File size : 3.26 GiB
Duration : 46 min 27 s
Overall bit rate mode : Constant
Overall bit rate : 10.0 Mb/s
Movie name : ACMS
Performer : Microsoft Game DVR
Encoded date : UTC 2021-04-18 18:12:32
Tagged date : UTC 2021-04-18 18:12:32

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L4.1
Format settings : CABAC / 2 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference frames : 2 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 46 min 27 s
Source duration : 46 min 27 s
Bit rate mode : Constant
Bit rate : 9 984 kb/s
Width : 1 920 pixels
Height : 1 040 pixels
Display aspect ratio : 1.85:1
Frame rate mode : Variable
Frame rate : 29.904 FPS
Minimum frame rate : 6.665 FPS
Maximum frame rate : 144.231 FPS
Original frame rate : 29.970 (30000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.167
Stream size : 3.23 GiB (99%)
Source stream size : 3.23 GiB (99%)
Encoded date : UTC 2021-04-18 18:12:32
Tagged date : UTC 2021-04-18 18:12:32
mdhd_Duration : 2787586
Codec configuration box : avcC

Audio
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Duration : 46 min 27 s
Bit rate mode : Constant
Bit rate : 79.9 kb/s
Nominal bit rate : 128 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 26.5 MiB (1%)
Encoded date : UTC 2021-04-18 18:12:32
Tagged date : UTC 2021-04-18 18:12:32
mdhd_Duration : 2787581

 

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Adobe Community Professional ,
Apr 19, 2021 Apr 19, 2021

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'Frame rate mode : Variable'

 

Try getting that changed to fixed or constant with the (free) program Handbrake.  It may then work.   

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Adobe Community Professional ,
Apr 19, 2021 Apr 19, 2021

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Here are step by step instructions for creating editable videos in Handbrake.

 

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Community Beginner ,
Apr 30, 2021 Apr 30, 2021

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Sorry for the delay in replying. While waiting I opened the file in VLC and played it at a slower speed and captured that again using the XBOX app. I had to do this twice but I ended up getting what I wanted. My spouse wanted to see how the sun changes from morning until evening at a location where she wanted to put a garden and what I made was good enough for her purposes. If I were going to publish something I would have gone ahead with the suggestion made here.

 

Thanks for all the suggestions,

Don

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