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

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2answers
28 views

1080p60 recording has very strong compression artifacts, default Neat Video not reducing them much

In attempting to record in the highest quality on a JVC GC-PX100 camcorder, I've been recording 1080p video. Unfortunately, viewing the video upon edit shows very strong compression artifacts, which ...
4
votes
4answers
104 views

Sources to learn more about Audio/Video compression, codecs, algorithms etc.

I was quite surprised when I learned the fact that the MP3 codec is extensively based on the Fourier Transform. I'd like to learn more about these topics in general. When I say more I mean the working ...
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1answer
21 views

What Codec Shows Absolute Black?

I need a codec that outputs an absolute black. Encoded some samples with .AVI no compression and the black background of my video is very dark. Contrary in other codecs like Apple ProRes or H264/MPEG4 ...
1
vote
2answers
38 views

Best format for audio track with a single/few images

What would be the best (e.g. most compact) format for a "video" that is actually an audio track with a single static image the whole time? (example) And if it was not one static image, but a slow ...
2
votes
1answer
99 views

Exam Question - end-to-end delay from video capture to video playout

Hi I'm preparing for my exam tomorrow and I've come across a 17 Mark question which seems trivially easy, so I think I'm missing a key point giving the rest of this exam is fairly difficult. The ...
2
votes
1answer
33 views

Compressor 4.1: Why can't I select the group I made for distributed processing?

I'm currently trying to get distributed processing to work using two different computers on the same network running the same versions of osx, fcpx, and compressor. When I go to choose the group I ...
0
votes
1answer
29 views

What encoding settings does Revision3 use to get quality high but file size so low?

I am creating my own content. We have recorded uncompressed, and are now at the exporting stage. This video will be downloaded, not streamed via YouTube or Vimeo. So far, we are rendering it at 5Mbps ...
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2answers
30 views

Why are Bink compressed videos striped?

If you've ever seen a Bink compressed color video, chances are it was striped and each second stripe was much brighter than the first. They went like this: bright-dim-bright-dim. Was it some kind of ...
1
vote
2answers
182 views

How to convert a MTS file without loosing the quality much

I have shot some videos in a camcorders. They are huge. I used the internal feature of the camcorder (panasonic v720) to convert to MP4 and the quality was reduced very much. What is the best practice ...
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2answers
43 views

Where does the 'extra' data come from when transcoding video?

This is something I've never quite understood, but have always wondered. Forgive my basic knowledge here, but I've tried to research this without a specific answer as to what is going on. When I ...
3
votes
1answer
84 views

ALL-I vs IPB. Which one to use

I'm fairly new do filmmaking. I've been trying to figure out which is best, but people seem to have very different opinions and everyone has his own arguments. My guess is that ALL-I should be better ...
1
vote
1answer
114 views

Editing a 640x480 mp4 in premiere CS4

I have a video with 640x480 resolution, which I want to import into premiere and add a MASK over specific areas which should not be visible. I'm wondering what settings I should select when I start ...
2
votes
1answer
44 views

Bluray I/O speed

I don't know if this is the correct place to ask this type of question, but here is it. I wanted to find a ball park size of each blu-ray frame size in bytes. This is my calculation which cannot be ...
2
votes
3answers
6k views

How to Create a High Quality, Small File Size .mp4 from .mov

Recently, I helped a friend produce a short zombie comedy. He has now asked me to add it to the film's website as a digital download. I'm not having issues with the digital download. My issue is how ...
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vote
2answers
30 views

Last bit of RGB changed

I'm going to compress a video but I have one problem. Is a frame with a bit(last bit) of each color(RGB) changed unacceptable or distinguishable from the original one in HD?
2
votes
1answer
720 views

Burn a single HD video into a DVD without losing quality

I created a video (slideshow of 14.2MP photos and music) using Windows Live Movie Maker. The video's resolution is 1440x1080 and is as WMV with 840MB. Now what I want is to burn that HD video (no ...
1
vote
1answer
309 views

How do DVDs avoid the blockyness that plagues dark scenes in most video files?

When a DVD is ripped to a file on a computer the dark scenes typically get compressed to the point of illegibility; huge squares of black are all set to the same value, removing all the detail. This ...
1
vote
1answer
358 views

Sony Vegas 10 Video made from smaller quicktime mov videos look crap on youtube

this has been a painful drama for days, trying to get a nice video on youtube for my girlfriend. It looks great on the mpg file sony vegas generates, but after uploading to youtube it look more than ...
3
votes
3answers
155 views

Adding voiceover without video recompression

I have some mp4 video files with pretty poor video quality. I need to add a voiceover translation. I have seen some video software programs that could do the job but unfortunately most of these ...
0
votes
1answer
416 views

Background color of MP4 rendering incorrectly in QuickTime

I am converting a .MOV file into .MP4, .OGV and .WEBM for web use. I have found that the background rendered by QuickTime and Safari is not white although the same MP4 has a white background when ...