The use of identifying patterns in video to reduce the required data rate required to create a video stream.

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3
votes
1answer
29 views

Trading off resolution vs quality

I have some 720p 30FPS H.264 video that I want to downsample for online backup. I want to get to somewhere around 10% to 20% of the existing size, which will evidently require a large sacrifice in ...
0
votes
0answers
25 views

Modifying FFmpeg command from 2-pass to 3-pass and hardcoding subtitles

I'm working with the following ffmpeg command: ffmpeg -y -i "Original.mov" -pass 1 \ -vf "subtitles=espSbs.srt, scale=1920:1080" \ -b:v 27179k -b:a 128k -f mov /dev/null && \ ffmpeg -i "...
0
votes
0answers
22 views

Video in h264 format and need to convert to something “playable”

A co-worker gave me footage of a car accident that will exonerate his daughter in h264 format. He needs to convert this into DVD format or anything else that can be played. I own Final Cut Pro, and ...
0
votes
1answer
56 views

Big difference in the video file size after the conversion (.mov to .mp4)

After converting from .mov into .mp4, a video file is greatly reduced in size (.mov - 75,2mb .mp4 - 11,9mb) - does this mean that the converted video degraded (loss of color information, or the ...
4
votes
1answer
41 views

Converting WMV to MP4

I just joined this community and hope my question is acceptable since it is quite "noob" like. I have a .wmv video file that is 1280x720 and causes windows media player to abort after excessive ...
0
votes
0answers
43 views

How did PayPal get this video's file size so small?

This video from PayPal is 10 seconds long, 1280x720, and 23.976 FPS. The webm version is 485 KB and the mp4 version is 340 KB! I realize that there's not a lot of motion going on in the video and ...
1
vote
3answers
47 views

Best way to trim and save an existing mp4

If I have an existing MP4/H264 video file and I need to trim the start and end, Then save it as an MP4 again, Are there any recommendations on export settings?
1
vote
1answer
83 views

Convert 1920x1080 Video to 720x480 With Letterboxing

I'm trying to find the best application on windows to do this HD to SD conversion for a video server which requires files to be exactly 720x480/29.97fps MP4 H.264 to function. I can't find any options ...
1
vote
1answer
36 views

Techniques for compressing a slideshow presentation video?

I often do QuickTime screen recordings of slideshow presentations (e.g. Keynote). These videos are 1080p 60fps and mostly text. They can go for minutes at a time with the same exact frame on-screen (...
0
votes
0answers
20 views

Compressing a large MP4 file that is on 2.30mins long

I have been sent a video that is only 2.30 mins long. But is a whopping 168mb, unfortunetely this has to be embedded into an app - so I need it as small as possible. I need to get the file size down ...
0
votes
0answers
20 views

Motion project has pixelation and artifacting

I just exported an animation I made from Motion 5 and noticed that the edges were pixelated and parts of it had dark fringing Here's the video Any ideas on how to fix it? BTW all shapes were made ...
0
votes
0answers
31 views

How do I compress a high res motion graphic .MOV to a H.264 with a low file size?

I'll elaborate, I know how to do this but I have a problem with video which has been exported from After Effects with an Apple Pro Res codec, then compressed in Handbrake to a H.264 MP4 codec. The ...
1
vote
2answers
78 views

Recompressing many huge MOV files

My camcorder produces huge MOV files, and I use it for about 1 hour every day, which gives me more than 7 GB of data per day (around 128 MB per minute of recording). Here is the codec information ...
0
votes
1answer
37 views

How to compromise between byte rate, resolution and fps

I want to stream a video on a device full screen (therefore, the dimensions of the display are fixed) What should I focus on to offer the best experience for a given bandwidth? Should I have other ...
0
votes
1answer
22 views

Which measurements can I take using which programs to exploit the already low quality and save as much space as possible?

This is the best my actioncam can create. My goal is to take advantage of this low quality and save as much harddrive space as possible so visible quality remains. Which measurements can I take ...
0
votes
1answer
90 views

Loss of quality while adding subtitle via FFmpeg

After solving on problem I cam coming to a next one. After adding subtitles, discussed here, with the command: ffmpeg -i grdedFinal.mov -vf subtitles=portSbs.srt gradedFinalwithSubs.mov the quality ...
1
vote
0answers
128 views

FFMPEG Tiff images to losseless video (H265) lags, broken output

I have 226 sequenced images (TIFF, 6.2MB each) and i would like loseless save them like video by using H265. Here is command which I used: ffmpeg -f image2 -framerate 25 -i IMG_%03d.tif -vcodec ...
1
vote
1answer
156 views

x265: Is it possible to re-compress HEVC video without quality loss?

My situation: Transcoding 1080p bluray videos to HEVC. Audio untouched; My rig is old (pre-2012) and to speed up the process I'm using --preset ultrafast; From x265 documentation, I understand that ...
2
votes
2answers
3k views

Reduce render file size in After Effects

I am making a simple travel map, like the one in the Indiana Jones movies. I followed this tutorial: (German) When I want to save it as a video (render it), the ...
1
vote
0answers
52 views

How to drastically reduce size of very simple video?

I've got a series of videos that I'm looking to drastically reduce in size. The video content is very simple: text animating on white background with a voice track on top. The text is mostly just ...
2
votes
1answer
180 views

How to reduce the size of video to 700 mb

Please help me , I have copied some movies to laptop from dvd disk, but the size of movies are more than 2 gb. But the movies uploaded to torrents are only 700 mb with the same clarity. How to reduce ...
3
votes
1answer
106 views

How to compress videos for a website?

I want to start a website in which there are some videos. When I searched Google regarding this video website I came to know that for the proper working of the videos we should compress the videos. ...
1
vote
2answers
113 views

Video file size for web use

What is the best video size for let's say a 5 minute video. I want to host my own videos. So, I want to understand more. What is an acceptable size?
3
votes
1answer
142 views

Video codec for simple animation?

I am generating an animation in Matlab, composed of simple diagrams. The images are characterized by fine structures, strong contrasts and mostly discrete colors, e.g. there are few-pixels wide black ...
2
votes
1answer
152 views

Batch compress a folder of videos using handbrake (or other) - Without manually loading each video into the queue

Ive got c.50 videos in QuickTime movie format. These video sit all in one folder on my computer. In the past when Ive had 5 or so files, ive imported them each into Handbrake, then saved them to the ...
2
votes
1answer
512 views

Will Compression/Format of Audio Change when Uploaded to YouTube?

If I have a .wav audio file, put it in a video file, say a .wmv, as, if I'm not mistaken, that format basically just uses .wav for its audio, and upload said .wmv file to YouTube, will the compression ...
3
votes
1answer
160 views

Reasons for using DNxHD instead of ProRes?

I often use ProRes or DNxHD codec without any thoughts, because the quality is very similar, even though the code and the compression algorithm certainly is very different. I would like to know in ...
2
votes
1answer
126 views

Rendered mp3 file is much larger than original

In Sony Vegas Pro 10 I've placed an .mp3 file (about 3MB file size), then I've cut it slightly at the end to shorten the length. I've tried to encode it with following settings: File - Render As ...
2
votes
1answer
67 views

Optimize Filesize export from Premiere CS3

After screen capturing a video and editing it with Premiere CS3*, I'd like some help optimizing the Quicktime filesize. I was wondering if I can get the ratio back to 1:1 at least. I have tried to ...
5
votes
1answer
49 views

Add noise to video while maintaining compressibility

I'm creating a promotion video that has to be uploaded to YouTube and Vimeo. In post-production (using Final Cut), I've added a noise for aesthetic purposes. This noise looks really bad on YouTube ...
2
votes
2answers
37 views

Software that exports into multiple formats and sizes?

Sorry if this is a bit of a vague question. But does anyone know a piece of software that will take one or preferably multiple videos and turn them into multiple formats and quality? So video.mp4 ...
3
votes
1answer
2k views

How to specify CRF quality settings for different encoding software

Is there a way of specifying a quality setting for h.264 that is not software dependant? I'm trying to help a colleague create a specification for outside contractors when they deliver video to us ...
-1
votes
2answers
658 views

How to compress video size without losing quality or resolution? [closed]

I have video of 300 MB, and i want to reduce its size to maximum 150-200 MB, so how can i achieve it without losing quality or resolution, is there any free toll to achieving it?
2
votes
1answer
775 views

Poor and low quality on import/render Adobe Premiere

I record a video step-by-step using Microsoft Expression Encoder 4, encode the file with 'Best Quality' preset, the result info in file its: ID : 2 Format ...
1
vote
1answer
258 views

Need to reach a low data rate of about 1.5 - 2 MB/min (200 - 267 kb/s)

I am working on a project involving live streaming. My goal is to reach a data rate of no more than 200 - 267 kb/s when streaming. Is it possible to reach such low rate while keeping an acceptable fps ...
1
vote
2answers
193 views

Best format (compression-wise) for Khan Academy Style video

I wanted to do very crisp (maximum resolutions/MB) videos that uses a style similar to Khan Academy (blackboard style with several stroke colors throughout the video, maybe a few still pictures here ...
1
vote
1answer
216 views

CHDK on Canon Powershot S100: Is there a Video Bitrate sweet spot?

I'm using a Powershot S100 with CHDK. The default video bitrate of the S100 is around 4 MByte/sec at the highest quality. Using CHDK and the options "Mode=Quality" and "Quality=99", you can get ...
3
votes
3answers
3k views

What benefit would I get from using Apple Compressor instead of just exporting from Final Cut Pro X?

I have Final Cut Pro X 10.1.4. I usually always use the "share" option to export my video and select whatever format I want to share with. Usually either "Master File" or "YouTube". I also see the ...
0
votes
0answers
8 views

Best free tool for video compression on Mac [duplicate]

I'm editing 'every day' videos with Adobe Premiere like holidays videos. Footages are taken from SLR cameras. I need to share those videos and of course compress it before. Several years ago, i used ...
3
votes
2answers
157 views

Recording of Lectures: Tips for compressing video with mostly still images

I have several recordings of lectures, some with powerpoint slides, some with writing on a blackboard. They are several GBytes each. However most of the time the video is a still image (besides maybe ...
3
votes
3answers
75 views

Looking for a suitable lossy video codec to quickly record video in-game

I'm working on integrating a video recording functionality inside of a game, so that game footage can be automatically encoded to video and shared online from within the game. Currently I've ...
3
votes
1answer
83 views

Bulk cutting and compression

I am looking for a piece(s) of software that can cut bulk videos into pieces and compress them. So say I have 10 videos each 20 min, I would like to make a setting 5 min and the output would be 1 ...
2
votes
2answers
421 views

Optimizing MPEG2 Encoder in Adobe Media Encoder

We're looking at using MPEG2 as an alternative to ProRes 422 for delivery & archiving. There are many options in there which are beyond my knowledge; I would like to understand them and maybe get ...
5
votes
2answers
4k views

Can H264 achieve “equivalence” with ProRes 422?

Has anyone done or seen any tests comparing Apple ProRes 422 with high-bitrate H.264? We use 422 as a delivery format to go to DCP for theatrical versions of trailers. The bitrate is around 150mbps. ...
5
votes
3answers
2k views

YouTube Compression: Why?

There's a lot of advice on the internet on encoding settings to apply to your video before uploading to YouTube (https://support.google.com/youtube/answer/1722171?hl=en, ...
4
votes
2answers
370 views

Converting video with different resolutions slightly affects in file size, why?

I'm converting a video with resolution 960x720p using HandBrake on Mac. When I convert two videos with exactly the same settings but with different resolutions, the file size is almost the same. ...
4
votes
2answers
2k views

Awful Audio in Video post-render (Premiere Pro CC)

I'm trying out Adobe Premiere Pro CC 2014 and I have a video with three audio tracks. The quality of each track is as follows (listed as the "Source Audio Format" in Premiere): 48,000 Hz 16-bit ...
1
vote
1answer
754 views

rendering with the video card in MeGUI

I do not know this is the right forum to ask for help. I need help to speed up rendering with the software MeGUI 2500. First I render to premiere with the help of CUDA. CUDA makes the video card ...
2
votes
1answer
729 views

Playing back 1080p and 720p videos (same bitrate) on a 720p display

Suppose a high quality, uncompressed video is re-encoded twice, with almost identical encoding settings at a relatively low bitrate of 4mbps, but at different resolutions, first at 1080p, and then at ...
2
votes
1answer
10k views

My converted videos look bad… what am I doing wrong?

I am a software developer. I understand the video concepts, but I am no expert. I have a Sony Action Cam AS-15. It records ate 1080/60fps/25Kbitrate. The 60FPS videos just dont; play smooth maxemised ...