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Video file formats / formats Part 3

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Video file formats / formats Part 3

Incidentally, the existence of some half-finished frame rates is due to technical restrictions in the transition of television transmission from black and white to color.

In fact, for applications other than broadcasting, 30 fps and 60 fps are often used.

On some platforms, the upper limit of the frame rate of the videos that can be sent can be set to 30 fps, but higher frame rates are still progressing, such as the video recording function of smartphones and YouTube that supports 60 fps. Super Hi-Vision, which is being developed as a next-generation streaming standard, has an even higher value of 120 fps.

1-5. Field order (drawing method)
There are two main types of video drawing methods, “progressive” and “interlaced”.

The drawing method is often expressed as a set with the vertical size of the resolution or the frame rate (or the number of fields). For example, 1280 x 720 progressive is “720p”, 1920 x 1080 interlaced is “1080i”, 24fps progressive is expressed as “24p”, 60-field interlaced is expressed as “60i”, and so on.

The video is made up of a collection of many points, and the points are divided into a block of horizontal lines (this is called a scan line) and displayed according to the drawing method. There is a difference in how this scan line is displayed between progressive and interlaced.

Field order
Currently, most of the media like YouTube recommend the progressive format, so it is good to remember that you basically use the progressive format for WEB videos.

Therefore, in progressive, the scan line of an image is twice as large as that of interlaced, so that the moving image becomes clearer. In interlaced, the moving image is less sharp, but the moving image is smoother with less data. .Can be displayed in.

1-6. Bit rate
Bit rate is a unit that is also used in communication lines, etc., but in video, it is a value that indicates how many bits per second are used to represent video data and audio data, and the rate value of bits is ◯ bps., ◯ b / s, or ◯ bit / s.

If the bit rate value is large, the amount of data packed per second will be large, so the video and audio quality will naturally improve. On the other hand, if the bit rate value is small, the video and audio quality will be reduced, but the video capacity will be reduced.

The higher the resolution of the video, the more noticeable the detailed drawing will be, so higher resolution videos will require a higher bit rate.

Also, there are two main types of bit rates: constant bit rate (CBR) and variable bit rate (VBR). Constant bit rate (CBR) refers to a compression method with a constant bit rate and variable bit rate (VBR) refers to a compression method with a variable bit rate.

Since CBR always has a constant bit rate, it has the advantage that it is easy to predict the size of the video in advance, and it has the disadvantage of using many bit rates. On the other hand, VBR adjusts the bit rate according to the scene, so it can improve the image quality by file size, but it has the disadvantage that the file size cannot be predicted. Variable Bit Rate (VBR) is recommended for YouTube.

Also, in the VBR (file compression / encoding) encoding method, “1-pass encoding” is used to encode the content of the file without parsing, and an appropriate bit rate is assigned after analyzing the data before encoding. . There is something called “2 -pass encoding” for encoding. With 2-pass encoding, analysis is done in advance, so encoding takes more time, but can produce high-quality video.

Bit rate

2. Recommended format for each platform
With that in mind, let’s take a look at an overview of the recommended formats for each video platform.
* See official help for the latest and most detailed information.

2-1. Youtube
YouTube supports a wide range of file formats, but the help page has recommended encoding settings, so it’s a good idea to check that out.

Recommended encoding settings for uploaded videos – YouTube Help

2-2. Facebook / Instagram
Facebook also supports a wide range of file formats. AAC of 1080p or less is recommended for video and 128 kbps or more for MP4 audio. Consider the aspect ratio, such as screen occupancy.

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Video file formats / formats Part 2

Video file formats / formats Part 2

Files that are handled on a personal computer have an extension so you can see what kind of data they are.

For notepad it is “.txt”, for Excel it is “.xls” or “.xlsx” and for images it is “.jpg” or “.png”.

Video files have the same extensions, such as “.mp4”, “.mov”, “.avi” and “.mpg”.

For example, there are more than 10 types of video keys (= codecs) that correspond to the extension “.mov”. In other words, the extension in the video is just a guide to predict the content and keys.

Although it can be identified that it is a video file by looking at those extensions, the extension and the video file, and the video file and the key (= codec) are not one by one, so the extension is just a guide. . to show your identity Always makes it difficult to handle video files.

The main video files, extensions and codecs are summarized below. If you only know the extension and want to check the codec, you should use a software called codec checker like “MediaInfo” or “Vacuum Wave Lab SuperLite”.

Most of the major video players these days, like Windows Media Player for Windows and QuickTime Player for Mac, have a built-in key (= codec), and most of them can play videos with that software. However, keep in mind that some of them are not supported. You need to get that codec or get a player that includes that codec.

Video file format explanation Main extensions Main codecs
MP4 has a high compression rate and is very convenient, but it is difficult to determine the content because there are many codecs. The recommended format for YouTube is H264 mp4 format. .mp4 .m4v (Video) MPEG1 MPEG2 MPEG4 H.263 H.264 H.265 H.264 / AVC WMP9 (Audio) AAC-LC AC-3 MP3 HE-AAC VQ Apple Lossless
MOV A standard file for working with videos on Mac. It is based on MP4 and can also use the MPEG-4 video codec. .mov .qt (Video) MPEG-4 H.264 Motion JPEG (Audio) AAC MP3
MPEG-2 PS It is used as the recording format for DVD and the like. A standard based on the assumption that bit errors are small, created on the premise of storage media. .mpg .mpeg .mpe .m2p (Video) MPEG-1 MPEG-2 (Audio) MPEG1 Layer-II MPEG2 Layer-II LPCM AC-3
MPEG-2 TS The format used by many digital transmission standards around the world. Used in HDTV and Blu-ray recorders .mpg .mpeg .mp2 .m2p .m2t .mpt .m2ts .mts .ts .vob (Video) MPEG1 MPEG2 MPEG4 H.264 / AVC (Audio) MPEG1 Layer- II MPEG2 Layer-II MPEG4 AAC-LC LPCM AC-3 MP3
AVI Please note that the old format cannot be played if the file is incomplete and there are restrictions such as a maximum capacity limit of 2GB. There are a lot of codecs here too. .avi .divx (Video) MPEG1 MPEG2 MPEG4 Motion JPEG DivX 3-5 XviD (Audio) MPEG1 Layer-III MPEG2 Layer-III PCM AC-3
1-4. Frame rate
The frame rate is a value that indicates how many image frames (frames) are recorded per second, just like character reading, and the frame rate value is ◯ fps or ◯ f / s. I will describe it. In other words, if 30 images (frames) are recorded per second, the value will be 30 fps or 30 f / s.

The higher the frame rate value, the smoother the video will move, and the lower the frame rate value, the more choppy the video will be. In other words, the frame rate can be reformulated as a value that represents the smoothness of the moving image display.

The video on the right reproduces the difference in video depending on the frame rate.

The higher the frame rate, the better. A video with a large frame rate value will have a large number of recorded images, and of course the amount of data will also be large. In addition, there are limits on the human eye, the side of the screen that projects it, and the technical specifications on the middle side, so it is necessary to set it to a suitable value.

Typical frame rates currently used are 24 fps, which is used for filming and animation, 29.97 fps, which is used for television broadcasts in Japan, and recent consumer cameras. There are 59.94 fps conventional, etc. Furthermore, there are also 25fps mainly for Europe.

Video file formats / formats

Video file formats / formats

What you want to know before making a video

Just as images have resolutions and file formats, there are some fixed formats and specifications for videos. Naturally, moving images, moving images, have more elements to define in the specifications, and the mechanism is complicated.
In fact, people in charge of marketing and promotion, advertising agencies, etc., can often feel disgusted by observing the presentation rules of each company.
This time, to dispel the weaknesses of those people, I would like to present a few main points that need to be understood in the video specs and the optimal video specs on major platforms like YouTube and Facebook.

1. Six Points Defining Video Specifications
Now, I would like to explain the six main points in the video specs.

1-1. Resolution
Like still images, videos have resolution. Image resolution refers to “size” and “pixel density”, but for moving images, resolution refers to “horizontal x vertical pixel count”.

The resolutions of familiar things are 720 x 480 SD image quality for DVD, 1920 x 1080 full HD for Blu-ray and 1440 x 1080 for digital terrestrial broadcast (* The reason why the aspect ratio is different from other will describe later).

Typical resolutions include
Full HD (1920 x 1080) / HD (1280 x 720) / SD (720 x 480) / 4K UHD (3840 x 2160)
.

Video resolution
Cameras like the iPhone X support 4K video recording and major streaming services like Netflix and Amazon Prime Video support 4K distribution.

Recently, with the expansion of smartphones and the rise of vertical signage, videos with long vertical resolutions and square videos like Instagram have also appeared.

Some people have said that “Full HD resolution is enough”, but the screen has gotten bigger, the price of 4K TVs has dropped, the drawing power of the smartphone screen has improved, and 4K / 8K has been improved. it has been generalized mainly by the Ministry of the Interior. Issues and Communications: As various efforts are made in this regard, it is expected that further progress will be made on a higher resolution.

1-2. Pixel aspect ratio
The pixel aspect ratio, also called the pixel ratio, represents the ratio of the width to the height of the pixels that make up the video data, and you can set the expansion / contraction ratio of the video during playback. Be careful as it is easy to confuse with the old resolution (aspect ratio of the video itself).

In digital terrestrial broadcasting, due to the compatibility with the conventional SD format and the amount of data, data with a resolution of 1440 x 1080 (4: 3) and a pixel aspect ratio of 4: 3 is distributed and stretched on the side of the TV. When doing so, the appearance is 16: 9, but it’s okay if you think you are basically using square pixels (1: 1) in WEB video.

1-3. File format (container), codec
To understand the file format of a video, you need to understand what is called a “codec.”

Audio and video data are stored in a “video file”.
In addition, data is compressed and encoded (also called encoding) using a “codec” so that it can be processed more efficiently and more easily by personal computer software.

In other words, when a video is played, it cannot be played unless the data is decompressed using the same “codec” as the “codec” used when compressing.

Note that the codec cannot be identified by the file extension alone. When making a request to a production company, be sure to also specify the codec.

To make it easier to understand, we will use “codec” as “key” and “video / audio data” as “treasure box”.

There are two treasure chests in the video archive, each locked with a different key. That is, to open the treasure chest and play the video, the key (= codec) corresponding to each treasure chest is required.

If you lock with “Key A” when generating video data and “Key B” when generating audio data, the video will play normally if you don’t have “Key A” and “Key B” in your hand. You can’t do it and if you only have “Key A”, you won’t be able to play the audio.

Youtube: best formats and resolutions for Youtube

Youtube: best formats and resolutions for Youtube

Which configuration to choose for the best result

Google Corporation sets a number of requirements and offers many recommendations on video format, codec, bit rate, and resolution to upload to YouTube servers. Clips should be added in the highest resolution available, ensuring high image quality when viewed on large screens, flexibility when converting or rendering after editing.

Videos intended for rental should have a frame size of at least 1080p (Full HD) and an aspect ratio of 16 to 9, the parameters of most modern monitors. For commercial videos where you plan to insert ads, there are no frame size restrictions. However, you should not upload files with frame sizes below 720p at 16: 9 and 480p at 4: 3. With low quality, users with large monitors will find it uncomfortable to watch video footage, they may miss its content.

It is worth knowing that after downloading the video, YouTube always re-converts the material to optimize the playback quality.

In what format can you upload videos to YouTube?
In search of information on what video format is needed to upload to YouTube, you can re-read dozens of pages of information in articles and forums, and when you try to upload a finished file, you run into a problem. The service will not read it. At the same time, a file of a certain format may be compatible with a video hosting service, but the video codec used to encode it is not. To avoid duplicate work, convert or save your work in the following formats:

3GP;
AVI;
CineForm;
DNxHR;
FLV;
HEVC (compressed with H.265 codec);
MOV;
MP4;
MPEG4;
MPEGPS;
ProRes;
WebM;
WMV.

The platform does not support pure audio files, even in such common formats as WAV and MP3. If you want to share your own composition or track that does not violate the rights of its owner, convert the audio to MP4 or other format by adding a video sequence in the form of a cover or a series of thematic images. The following types of files can be used as an audio track:

AAC (in a MOV container);
FLAC;
MP3 (included in a WAV container);
PCM (to WAV).
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The resource administration does not give recommendations on the most suitable format, however, it is advisable to give preference to MP4 due to a number of characteristics of the container. For example, most digital devices write in MP4, many media players are sharp for it, the format has a higher compression ratio than AVI.

Video size (resolution and aspect ratio)
The size of a video to upload to YouTube depends on the way it is viewed: in an Internet browser, an application for the Android or iOS mobile platform, a third-party player, and the format: classic horizontal or vertical, shot on a mobile device. The player for mobile platforms adapts to the dimensions of the video, regardless of its orientation, trying to fill the maximum area of the screen with useful content. In this case, the frame is neither stretched nor compressed.

The YouTube video player window has a length-to-height ratio of 16 to 9. Deviating from the royalties is not recommended; this is a classic format, the most widespread in the world.

When playing videos with different settings, gray or white bars may appear in the corners or at the top and bottom of the screen, depending on the active theme. They will be black in the internet browser. Avoid the appearance of these stripes in the video during recording and eliminate them during editing. They make it more difficult to automatically resize the player window.

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The optimal video size for YouTube in 16: 9 progressive scan is shown in the table. Meeting the requirements will prevent solid color streaks on the sides or below and above the image when viewed on most mobile devices, televisions and monitors.

Height (p) Resolution (px)
2160 3840 x 2160
1440 2560 x 1440
1080 1920 x 1080
720 1280 x 720
480 854 x 480
360 640 x 360
240 426 x 240
It is advisable to take care of the video transmission format (1080p) and MPEG-2 or MPEG-4 for DVD players. The following features ensure that there are no playback issues in any way, regardless of device and platform.

Video format comparison: MOV, FLV, MP4 and 3GP

Video format comparison: MOV, FLV, MP4 and 3GP

Each video file format has its own unique characteristics, which make it ideal for specific uses. This fact forces the user to have to choose between them more and more frequently. The most important criteria in making this decision is which characteristics of the file types best suit your specific needs. To help you choose the best type of video file, here is a list of the pros and cons of the most popular video formats.

The .mov video format

The MOV video file format was developed by Apple with the aim of bringing clear benefits to users. One of these advantages is the high quality of MOV videos. Cinema purists and filmmakers who want to create long digital movies, in particular, are determined by the quality preservation properties of the MOV format. When working with MOV files, optimal video quality will be maintained throughout the project. Although MOV is closely linked to Apple, the files can also be opened with Quicktime Player on Windows.

A major problem with MOV is the lack of support from the various media player applications. Many users have to download new software before they can play MOV video. Also, the files are very large, which requires more hard disk space. This can slow down old hardware.

Ultimately, .mov was designed for a specific group of users, especially those who value high video quality. Even if these files are generally used less frequently, they are of great value to a small target group.

The word ‘video’ is made up of many letter tiles.
With the right video format, projects can be implemented smoothly.

The .flv video format

The FLV video file format stands for Adobe Flash Videos. It is the most widely used type of video file on the Internet. The reason for the enormous popularity of .flv is that the format works optimally in all major browsers. Therefore, leading video portals like YouTube also use Flash videos by default. Another reason for the frequent use of FLV video files is that it is suitable for various video formats, including commercial ones.

There is also a downside to the FLV format: if a lot of Flash videos are hosted on a website, it can get slower overall. This is especially likely to be felt by visitors with slower Internet access. This is still a major problem at this time. As the Internet becomes more accessible, this concern will lessen in the future.

A man is editing a video on a laptop.
The FLV video format sadly affects the loading times of websites.

The video format .mp4

The MP4 video file format offers high-quality video. Unfortunately, the format is not ideal for a single task. But that doesn’t mean that these files don’t have many advantages as well. In fact, MP4 files are so small that they are ideal for storing in a video asset management system. Even at such a small size, the video quality is amazing. They are also great for sharing videos due to their high browser compatibility.

Therefore, it is quite paradoxical that the MP4 format is used as the standard in most photo and video cameras, as it scares filmmakers so much. The reason for this is that .mp4 files do not edit well. Without the proper properties that allow for proper editing and good editing, the MP4 video format does not meet the requirements of one of the potentially most important user groups.

A hand holding a camera lens in the forest.
MP4 videos retain high quality despite their small file size.

The .3gp video format

The 3GP video format corresponds to the Third Generation Partnership Project and is the associated file extension. It can be opened with many programs, is inexpensive in terms of memory requirements, and optimally protects data. It is ideal for mobile devices that cannot cope with high traffic when streaming video to each other.

Also, the .3gp file type has a dominant position in relation to video transmitted via text messaging services. This will continue despite certain weak points.

A key problem with 3GP relates to compression and the difficulties it presents. Users who care about maintaining video quality will be amazed at the end result of compression. Although this deficit is a necessary evil for the sake of functionality, many users still find it negative.

Get familiar with the big differences between video file types. This will allow you to make the right decisions for a successful implementation of future projects. Once you have a solid understanding of video formats, consider using a digital asset management system to manage your video files.

MAIN VIDEO FORMATS

When watching a movie with pictures or an explanatory video, the idea of the video format usually plays a secondary role or even does not play any role. However, the format does get interesting when it comes to marketing, placement or embedding of the video across the various channels.

So get familiar with the top nine video formats from our article and become a video format expert in no time.

Container and Codec.

Before dealing intensively with individual video formats, two basic terms should first be clarified:

Video formats are so-called file containers that adapt to different content. In addition to audio and video files, menu structures or subtitles can also be integrated into a container. When the movie plays, the elements of the container are decoded.

Files are compressed within the container using codecs, which affects the quality and size of the file. If a video is played, the files contained in the container are decompressed again using the corresponding codec.

Understanding the functions of containers and codecs is critical to understanding the following nine video formats.

MPEG-1 (.mpg / .mpeg).

MPEG stands for Motion Picture Expert Group, a group of experts who dealt with the subject of video compression as early as the 1980s. MPEG is both a container and a codec. MPEG-1 is the Video CD standard and is therefore out of date. The high storage requirements and the fact that HD (high definition) is not supported mean that MPEG-1 cannot compete with the newer video formats.

Advantages: high distribution, wide acceptance of devices.
Cons: Very outdated, poor video quality (not suitable for HD).

MPEG-2 (.mpg / .mpeg / .vob / .m2p / .ts).
MPEG-2 is the further development of MPEG-1 and is the basis for DVDs. The codec for the MPEG-2 format is called H.262. The file extension on DVDs is .vob, while the MPEG format for camera recordings is usually a .ts file.

Advantages: wide distribution, DVD standard.
Disadvantages: low compression, large file size.

MPEG-4 (.mp4).

The successor to MPEG-2 is the MPEG-4 format. Mp4 files are designed for high HD image quality with low storage capacity. The most common codec is the H.264 standard. In rare cases, DivX and Xvid codecs are used. MPEG-4 is widely used on HD TV and Blu-Ray. At Apple, .mp4 files can generally be found under the abbreviation .m4v. Videos posted on the Internet are usually in .mp4 format.

Advantages: standard on the web, high compression, high quality, flexible use.
Disadvantage: intensive computing power for encoding and decoding.

QuickTime (.mov).
QuickTime is a standard developed by Apple. The QuickTime architecture is the basis for various video editing programs such as Adobe Premiere or Final Cut (Apple’s editing program). MOV files are mainly used for editing and less for actual use. Apart from QuickTime Player, the format is compatible with some multimedia player programs.

Advantage: Standard for professional video editing.
Disadvantage: low acceptance by end devices.

AVI (.avi).
Audio Video Interleave (AVI) files were Microsoft’s answer to Apple’s QuickTime architecture. In the early years of the format, good image quality cost high storage capacities, which could be improved a bit with new codecs like DivX. AVI is accepted and reproduced by a large number of end devices, but it turns out to be bulky with many technical details. Direct transmission is not possible, menus and chapters are not supported, and there is no automatic way to save the correct aspect ratio.

Advantages: widespread use, wide acceptance.
Disadvantages: inflexible, bulky.

WMV / ASF (.wmf / .asf).
ASF is the successor to the AVI format. However, it is known as the WMV (Windows Media Video) codec. The Microsoft codec is similar to MPEG-4, but it is less common. Unlike the previous AVI, the transmission is possible without problems.

Advantages: High compression, good video quality.
Disadvantage: less common.

MKV (.mkv).
Matroska is a container format with the file extension .mkv. Its namesake is the Russian matryoshka dolls, which can be stacked on each other to save space and look cool. This same principle is the goal of the container. The video format allows for different codecs and additional information. Depending on the device, this flexibility can also be a problem during playback.

Video Formats A to Z – Everything You Need to Know About It

Codecs are not only available for video, but also for audio and images. For example, when the software needs to create a video file, it uses a codec for video and audio and creates a video file from it.

What are codecs?

Codecs, as their name suggests, encode (German = “encrypt” or “translate”) and decode (“decrypt”) information. The English word codec means a system of rules or agreements. Its origin is found in the English words En code (encoding) and De code (decoding). The codec “translates” a video from one format, which can be the original or an already encoded format, to other video formats and vice versa.

The task of the codec is to “know” how the data is compressed and how it can be restored (= replayed). Playback software and programs, for example Windows Media Player or the free-to-use, portable VCL player, benefit from codecs.

Often times, it can automatically recognize the codec in a file and find the correct codec to play it back. Or put another way: as long as a player recognizes the codec and has access to it, they can play the corresponding file. In this case, the user cannot make any difference in what video format a video file is available.

A professional video or movie is never tied to a specific compression method or video codec and formats. Depending on the application (distribution on TV, such as web content or on Blu-Ray Disc), a movie or video can appear in many different forms.

From a technical point of view, a codec is a pair of algorithms that encodes or decodes digital data.

Tech professionals will find that some of the formats in this article are called codecs, but not strictly codecs. In a more strict sense, a codec is only defined as a codec if there is an encoder on one side and a decoder as a “counterpart” on the other. If it is only encoded or only compressed, or vice versa, only decoded or only decompressed, this does not correspond to the scientific definition of a codec. However, this distinction is ignored in everyday video formats.

Codecs determine how data is compressed.

What does compression mean?

With today’s technology standards, the image information of an average high definition movie is at least 131GB, without sound. This amount of data makes it impossible for a movie to fit on a commercially available data medium (Video DVD, Blu-ray Disc).

The smaller the amount of data in a video file, the easier it will be to stream, edit, or save that file. However, at the same time, the quality of a movie or video should not be visibly reduced. Therefore, compression algorithms use sophisticated mechanisms and simplify and summarize the data. From an algorithmic point of view, the “least important” information is not saved. They are lost during the compression process and can no longer be rebuilt by decompression.

The newer codecs achieve sensational compression rates of up to 1: 500. Older video compression methods, still used today in the form of older codecs, can, conversely, “only” achieve values of 1: 5 (= 100 times worse!).

Video compression originates from the compression of a single image (so-called still image compression). Codecs for single image compression optimize each image individually and one after the other. Modern video formats thus achieve a compression ratio of 1:10 on all video.

Newer codecs have optimized this process: they use similarities between individual partial images wherever they exist, resulting in huge savings potential at 25 individual images per second. This can also be seen in the compression rates, which with the new methods are well above 1: 100, and this with little loss of quality.

Video encoding and compression processes for video formats will only gain market acceptance if the largest possible group of users can use them. That is why there are not only codecs established by global corporations like Microsoft and Apple, but also codecs that have been standardized by international organizations. The best known body of this type is the Moving Expertes Group (MPEG). Good to know: because MPEG cooperates with the International Telecommunication Union (ITU), for example, cooperating partners assign different names to identical procedures. This is why H.264, MPEG-4 AVC, MPEG-4 / Part 10 or ISO / IEC 14496-10 are the same format.

What are video formats?

The term explains how video data is or has been recorded on a data carrier. The type of video data recording is basically defined by four different reference points. These are:

the movie format (image resolution and aspect ratio). Check out Part 1 of this article series titled Film Formats
the refresh rate (also called the refresh rate). The frame rate is specified in hertz (Hz) or as fps (frames per second, German = images per second)
color depth, which describes the ability to differentiate between color values and brightness values
the soundtrack
Regardless of the purpose for which you want to create a video, the video format determines its quality and usability.

The data formats are NOT the same as the video formats. The data format establishes how video data is presented in a purely technically structured manner and is read (interpreted) by software on a computer system for processing.

Data formats have nothing to do with video format, movie formats, frame rates, color depths, and sound. Normal users rarely come into contact with data formats when communicating with movies and videos. The situation is different with data and video formats.

Video formats (“formatted videos”) can be identified by their file extensions (for example, * .mp4 or * .mov or * .mpg). Video formats can be classified according to different criteria, depending on the subject: for example, according to the size and quality of the file (compression) or according to the content type of a file (container formats).

Movie format / aspect ratio difference

Just as data formats represent different things, the terms movie format and video format are NOT identical. In film format in which the question is understood thereafter for film and video, size and in what aspect ratio a film or video is on a recorded disc. Movie format and rotation formats are synonymous, while recording format, image format, image size, and projection format as subgroups further specify the term movie format.

Why is the video format important?

The video format is not important. But only if you watch your videos directly on your smartphone or upload your own videos directly to the Internet. But anyone who wants to communicate professionally with videos will want to edit their movies and will quickly have to deal with not only the content, but the technical quality as well.

Even those who “only” want their movies to be accessible to the public via YouTube or Vimeo or who want to embed their social video on their website via one of these video platforms will notice at the latest that there is something like a technical framework if the video file is not sent to upload is accepted. YouTube, for example, succinctly reports in this case: Before you can upload these types of files, you need to convert them to YouTube-compatible video formats. (The next chapter on conversion provides information on what this means and means.)