Youtube: best formats and resolutions for Youtube


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Youtube: best formats and resolutions for Youtube

YouTube Video Formats

Which configuration to choose for the best result

YouTube Video size

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.


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The best format for YouTube videos

The best format for YouTube videos is Codec. The codec is the part of the software that deals with the encoding and decoding of the information that constitutes the transmission of audio or video. The newer codecs also deal with compression and decompression, and therefore when encoding and decoding signals, they use mathematical algorithms that allow you to save storage space at the expense of quality.

YOUTUBE VIDEO FORMAT

Compression

In video file playback, compression is performed using mathematical functions that reduce the number of frames per second or decrease the resolution of the pixels that make up the image. In audio files, compression is performed by removing the frequencies that are not fully perceptible to the human ear and the number of bits that make up the sound information.

youtube video formats

Container

The best option for the extension is mp4. The frame rate should be the same as that recorded and edited. The most common container formats are MKV or AVI.

Video formats

Youtube uses the HD 1080p streaming format and the MPEG-2 steam supports the DVD format and is saved with a .MPG extension. If you can’t send the video in MPEG-2 format, choose the MPEG-4 format.

MPEG-2
Audio codec: MPEG Layer II and Dolby AC-3
Audio Bit Rate: 128Kbps or higher
MPEG-4
Video codec: H.264
Audio codec: AAC
Audio Bit Rate: 128Kbps or higher
Minimum audiovisual duration
The minimum duration is 33 seconds, excluding black and static images on the video channel, as well as silence and background noise on the audio channel.

Frame rates

Videos must be at the native frame rate without resampling. As for film originals, a 24fps or 25fps progressive master produces the best results. Frame rates are typically set to 24, 25, or 30 frames per second.

It is not advisable to use resampling techniques as they allow the images to vibrate and often result in poor video quality. Examples: upsampling and transfer like “telecine pulldown”.

Dimensions

Videos must use native aspect ratios, and uploaded videos should never include the black bands of “letterbox” and “pillarbox”. The Youtube player uses frames that allow you to watch videos correctly, without cropped or stretched images.

Video resolution

YouTube would like high definition videos.

For videos intended for sale and rental, you must provide a minimum resolution of 1920 x 1080 with an aspect ratio of 16: 9.
For free or advertising content, YouTube does not require a minimum resolution, but recommends a resolution of at least 1280 x 720 for videos with an aspect ratio of 16: 9 and a resolution of at least 640 x 480 for videos with an aspect ratio. 4: 3.
If the videos are of lower quality, they are not visible to the public on YouTube and are used as a reference for Content ID. These videos generally have a “quarter” resolution, which is 320 x 240. However, the videos must have more than 200 lines to produce effective references.

Bitrate

Bit rates depend on the codec. It is the number of bits per unit of time (attention! We are talking about bits and not bytes), generally measured in KiloBits per second. For the same format, the more information per second, the higher the quality or resolution of the film or audio. Videos should be optimized based on frame rate, aspect ratio, and resolution rather than bitrate.

Quality, resolution and size of YouTube videos

Differences between the formats of 240p, 360p, 480p, 720p, 1080p, HD, 2K, 4K and their bit rate. 360 degree panoramic videos. Connection speed and bandwidth required to watch and play videos without interruption.

Everyone who accesses YouTube or other websites in search of music videos, documentaries, series or movies, we see that there are several nominations referring to quality or resolution such as 360p, HD, 1080p, 4K and recently 360 degree videos, terms They cause confusion.
The same happens when we want to acquire a television, a monitor for the computer or a cell phone and we are not clear about the resolutions they support and the video formats they can play.
In this article we explain the difference between these terms used to specify the quality in the world of digital video, we explain its characteristics and which one is the most suitable to enjoy YouTube content.

Resolutions of videos on YouTube

The YouTube service allows you to view the videos in various resolutions, so that each user can watch them without interruptions and at the same time can enjoy the highest resolution and quality, which allows your device and the speed of the internet connection you use.

Below we explain the characteristics of the most used and most recent resolutions.

Videos in 240p and 144p

Both video resolutions are used in devices with small screens and slow internet connections, such as dial-up (56K), which are still being used in several countries.

360p videos (standard definition quality)

360p is the traditional web resolution, used in the vast majority of web pages that show impregnated YouTube videos.
In this size, videos load and play quickly on standard connections and are viewed correctly if they are not maximized.

HD videos (high resolution)

The HD video format for a long time was videos with the highest quality and resolution available at that time.
HD stands for high resolution (hight resolution), they offer excellent quality on displays of portable devices such as phones and tablets.
On the screens of computers and televisions that support it, they look correctly.
Two types of videos in HD quality are available on YouTube: 1080p or Full HD and 720p.

1080 videos

1080p is an alternative name used to designate the maximum resolution used in high definition (HD).
A video with the 1080p rating indicates that it is recorded in Full HD so its resolution is 1920 by 1080 pixels.
The same goes for the devices that indicate that they support this resolution.
The number 1080 represents 1080 horizontal lines and the letter p means progressive scan.
There are devices and TV screens that only support other resolution known as 1080i.
The letter i in this case indicates interlaced (from the English ‘interlaced’).
1080i is a name to refer to the high-definition devices that they use in interlaced mode, that is, they contain half the pixels with respect to 1080p, although they keep the width and height of the videos.

4K videos

The so-called 4K is a recent video format, which is gradually imposed on the internet and at home. It is the one that currently allows maximum resolution and quality.
Many videos are currently available on YouTube in 4K quality, similar to the content offered by the Netflix TV service.
4K videos use a higher resolution than the previous HD (about four times), allowing a reproduction with photographic quality, which allows us to see details similar to an 8 megapixel photo.
They allow to see incredible details with an extraordinary sharpness, that otherwise would go unnoticed There are currently two formats of 4K videos, the one used in the cinema and on television, with differences in width, height and aspect resolution.