Difference between export, rendering, transcoding and encoding?

Hello

I'm new to video editing and recording and I don't really know where to ask this question, but I thought that this forum would contain some people who could help us with that.

I don't really know where to start with this, but...

First of all, what is the difference between the export, rendering, transcoding and encoding in Premiere pro, After effects and in general?

What is Adobe media encoder for and how to use it?

I am trying to save images from pc using software called Action by Mirillis. He has the ability to record in Avi, Mp4 or MP4 (Nvidia Nvenc)

When I save Avi format, the film is more beautiful, but the files are larger whether Mp4 formats.

I have the possibility of exporting the Avi file using hardware acceleration for Nvidia Nvenc to Mp4. What this do outside to reduce its size?

I know that this question is probably better in the forums of the action, but people seem rather vague.

Could you help me understand all this / is there useful links?

See you soon,.

Ben

PS: I've only used Photoshop in the past, but now I want to make videos using first pro/after effects and I am quite naïve!

There are two parts to a video file. a container (also known as a wrapper) and a codec. Codec - Wikipedia

The word codec is a portmanteau of "decoder der -co" or, less commonly, "compressor -decompressor.

MP4 and avi are containers. they contain both audio and video files inside a single file, using codecs. the codecs are a form of compression, so a video or audio file can become a smaller size. You can consider this as winzip. like winzip, you must have a program that can compress and uncompress a .zip file. even with the codec, the software inside the multimedia players knows how to uncompress (unzip) the video file to read and play. programs that modify video or your recording software, will compress (zip) files when they write the file on the hard drive.

NVIDIA Nvenc hardware acceleration: it uses your video card to encode to mp4. the video card can do this very effectively and reduce the pressure put on the cpu. even though it may be fast, its often not of high quality. It is perhaps one of the reasons for the avi is more beautiful. their website says that he uses the h264/mp4 and FICV (video Compression Intra Fast - Mirillis codecs), I guess for the avi. Looks like it's a codec, they did and use their software, so I'm not sure how it works.

a project video/file when finished editing or other manipulations, must get out of this program so that it can be used. The export, its actually a new file. to export to a file, it must render and encode the original video file. rendering is to apply changes or effects to the video. so for the new file be played in a media player program or dvd, etc, please encode to h.264 codec.

transcode is another term used for coding. If you have a mp4 file on your hard drive and convert it into mpeg2, using software like adobe media encoder, its called transcoding. It is decoding and encoding, but the word transcoding is used when only the codec is changed because it is a new file.

Comparison of the photo:

BMP, jpg, tiff, etc. are the codec.

save an image modified in a new (not .psd) file: export

application of the changes to the image in Photoshop: make

When the program to save as bmp or jpg or other: encode

convert without changing, bmp to jpg or other: transcode

Tags: Premiere

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