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 YouTube video format

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 make up the transmission of audio or video. The newer codecs also deal with compression and decompression. Therefore, when coding and decoding the signal, they use mathematical algorithms that can save space at the cost of quality.

HD video

compression

When playing video files, compression is performed using mathematical functions that reduce the number of frames per second or the resolution of the pixels that make up the image. In audio files, compression is done by removing the frequencies that cannot be fully perceived by the human ear and the number of bits that make up the sound information.

Container

The best option for the extension is mp4. The frame rate should match the recorded and edited one. The most popular container formats are MKV or AVI.

codec

Video formats

Youtube uses the HD 1080p streaming format and MPEG-2 Steam supports the DVD format and is saved with an .MPG extension. If you cannot send the video in MPEG-2 format, select MPEG-4 format.

MPEG-2
Audio codec: MPEG Layer II and Dolby AC-3
Audio bit rate: 128 kbps or higher
MPEG-4
Video codec: H.264
Audio codec: AAC
Audio bit rate: 128 kbps or higher

Minimal audiovisual duration

The minimum duration is 33 seconds, excluding black and static images on the video channel and silence and background noise on the audio channel.

Frame rates

Videos must have the native frame rate without resampling. For film originals, a progressive master with 24 or 25 frames per second delivers the best results. Frame rates are typically set at 24, 25, or 30 frames per second.

It is not advisable to use resampling techniques as they vibrate the images and often result in poor video quality. Examples: Sampling and transmission like “Telecine Pulldown”.

Dimensions

Videos must use native aspect ratios, and uploaded videos should never contain the black letterbox and pillarbox stripes. The YouTube player uses frames that allow you to view videos correctly without cutting or stretching images.

Video resolution

YouTube wants high-definition videos.

For videos intended for sale and rental, you must specify a minimum resolution of 1920 x 1080 with an aspect ratio of 16: 9.
YouTube does not require a minimum resolution for free content or advertising content, 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 poor quality, they will not be visible to the public on YouTube and will be used as a reference for the content ID. These videos generally have a “quarter” (320 x 240) resolution. However, the videos must contain more than 200 lines to create effective references.

Bit rate

The bit rates depend on the codec. This is the number of bits per unit of time (attention! We are talking about bits, not bytes), which is generally measured in kilobits per second. With more format, the quality or resolution of the film or audio, the higher the more information per second. Videos should be optimized based on frame rate, aspect ratio, and resolution, not bit rate.