avi vs mp4 format Archives

What is MP4?

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What is MP4?

MP4 is a most commonly used media file storage format for storing videos.

MP4 is versatile and works on a variety of devices. Technically, MP4 is a digital container file that contains compressed video data and other related data needed to play the video, but MP4 is just a wrapper around the video, not the video itself.

MP4 files are generally more compressed than other types of video files, and therefore smaller. Video content within MP4 files is encoded using MPEG-4, a common encoding standard.

What is MOV?
MOV is another digital container file for video and other multimedia. Apple developed MOV for use by Apple QuickTime Player. Just like MP4 files, MOV videos are encoded using the MPEG-4 codec.

What is a digital container file?
A digital container file (not to be confused with container computing) is a wrapper for data and metadata that go together. Think of it like a filing cabinet, with different digital container formats (such as MOV or MP4) representing different sized filing cabinets that organize files in different ways.

For example, a typical MP4 file contains a video track, an audio track, and metadata about both. “Metadata” is information about data that helps a computer find the correct data, much like a library card catalog provides information about a book, but not the book itself. It can also contain images and subtitles.

What is the difference between MOV and MP4?
The main difference between the two container formats is that MOV is used in Apple’s proprietary QuickTime file format, while MP4 is an international standard. Most streaming platforms recommend using MP4 files instead of MOV because MP4 files are compatible with more streaming protocols.

MP4s are generally more compressed and smaller, while MOV files are generally higher quality and larger. MOV files are designed for QuickTime and therefore more suitable for video editing on Mac.

What online platforms support MOV and MP4?
Most platforms for uploading video files for online distribution support both formats, but may recommend converting to MP4 before uploading. YouTube and Vimeo accept MOV and MP4 files, as well as other file formats. Wistia accepts MOV files, but recommends MP4 files.

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What is MP4?

How does the Mp4 format work?

First, the package format is presented. Multimedia encapsulation format (also called container format) refers to placing video data, audio data, etc. in a file according to certain rules. Common MKV, AVI and MP4 presented in this article are all package formats.

MP4 is one of the most common package formats and is widely used due to its cross-platform nature. The suffix for MP4 files is .mp4 and basically all major players and browsers support the MP4 format.

MP4 file format is mainly defined by MPEG-4 Part 12 and MPEG-4 Part 14. Among them, MPEG-4 Part 12 defines the ISO basic media file format for storing time-based media content. MPEG-4 Part 14 actually defines the MP4 file format and expands on the basis of MPEG-4 Part 12.
For students involved in work related to live broadcasts, audio and video, an understanding of the MP4 format is necessary. Below is a brief introduction.

MP4 File Format Overview

MP4 files are made up of several frames, each frame stores different information, and there is a tree structure between the frames, as shown in the initial figure.

There are many types of boxes, the following are 3 most important top level boxes:

ftyp: file type box, which describes the MP4 specification and the version with which the file complies;
moov: Movie Box, the media metadata information, there is only one.
mdat: Media data box, which stores the actual media data, usually there are several;

Although there are many types of boxes, the basic structure is the same. The next section will first introduce the box structure and then explain common boxes in more detail.

About HCV/HCV1
When talking about the MP4 specification, AVC is mentioned, sometimes it refers to “AVC file format”, sometimes it refers to “AVC (H.264) compression standard”, here is a simple distinction.

AVC file format: It is derived from the basic ISO file format and uses the AVC compression standard, which can be considered as an extension format of MP4. The corresponding mark is usually avc1, which is defined in MPEG-4 PART 15.
AVC Compression Standard (H.264): Defined in MPEG-4 Part 10.
The ISO base file format (Base Media File Format) is defined in MPEG-4 Part 12.

What format is better than AVI or MP4?

What format is better than AVI or MP4?

AVI vs MP4

Let’s start with the help.

AVI is a media container that contains video and audio data compressed by various codecs. AVI supports multi-streaming audio and video. This video format is considered the best of similar video standards due to its video recording capabilities and convenience.

mp4 is a media container format used to package digital video and audio streams, as well as subtitles and metadata. mp4 allows streaming over the Internet. mp4 is the most popular and widespread video recording format, as it is used to provide high-quality and high-speed information transfer.

First of all, the choice of video format depends on your goal: whether you will record your own videos and edit them, or you will simply watch a movie with a quality image. It all depends on the use of codecs when writing a file to a container that stores digitized information using codecs.

To watch a video, it is better to use such a video container, when recording a file in which codecs were used that process the video without losing quality, such as codecs of the DNxHD 120 format.

So we know DNxHD 120 format codecs were used, what to do next, which container to choose?

In terms of features, we can assume that both containers are not inferior to each other in video file playback quality, but nevertheless AVI wins as it serves as a better wrapper for storing video than mp4. mp4 is used to play videos on portable devices, as well as to upload videos to hosting sites like YouTube, AVI, in turn, is a container that records files with the best possible quality, therefore it is better than mp4.

Even if you use mp4, you shouldn’t be bothered by the not-so-good video quality, as it may turn out that only mp4 used the best codec, although this manifested itself only in rare cases.

When recording your own video, it all depends on the device you are recording on and the codecs installed by the manufacturer on your device. If you have a high-quality camera and good codecs, you can get the final video in excellent quality in an AVI container.

Even if you use mp4, you shouldn’t be bothered by the not-so-good video quality, as it may turn out that only mp4 used the best codec, although this manifested itself only in rare cases.

What is the difference between avi and mp4 format?

What is the difference between avi and mp4 format?

AVI vs Mp4

Almost all Internet users have viewed and downloaded video files. In order not to be confused with the media of playback, it is useful to pay attention to the video format. The most common are avi and mp4.

AVI or MP4

What is avi
This format is a media container. It can contain both audio and video data. Thanks to a special data compression system, the image and sound of this file are reproduced synchronously. At the same time, avi supports multi-threaded video and audio files.

Avi has a high quality image due to its high resolution, so it is used in powerful media. This option is suitable for home DVDs and can also be opened using special programs on a PC.

On a note! Usually avi files can be read on all PCs, as Windows has a built-in media player that supports this format.

Benefits of .Avi:

high quality picture and sound;
supports multi-streaming audio and video files;
readable by almost all players.
This is a fairly old format that was used for the first time in the Windows system in 1992. At present, it has undergone changes, it does not lose its popularity and advantages.

What is mp4
You are very familiar with the famous Youtube video hosting. Mp4 is also a synchronous video and audio playback format. Also intended for displaying still images and subtitles. It does not require a powerful device processor to play it, so it is compatible with simple players on smartphones.

What is the difference
The main differences are as follows:

Quality. The first option reproduces better sound and image.
Different way of decoding.
Different file weights. Mp4 weighs less, so it fits well on phones.