Best format for Youtube videos


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Youtube videos format

Let’s see what is the format that allows you to retain the highest quality when you upload your video to YouTube. In case you do not know, in fact, once YouTube has acquired the video on its servers, once the upload is finished, it proceeds to recode it and therefore it is important that we provide a file with the highest possible quality and with the specifications that you require.

YouTube video formats

CODEC

Let’s start with the CODEC. The choice is almost obvious and falls on the ubiquitous H264. Used both in the acquisition phase in many camcorders, and in the distribution phase, it is the best option even when we want to share movies on the Web. The reason is very simple: with the same file size, it provides the best quality. Then, in your editing or encoding program, select it. Of course it would be nice if it ended here. Actually, this algorithm can have variations within it, which I will not explain in detail because it is a very complicated and long speech.

What you need to know is that the H264 profile that YouTube asks us is HIGH, its entropy mode is CABAC and obviously it must be progressive and not interlaced, since we are going to upload a video that will be seen on PC, smartphone and tablets and not on old televisions. Regarding the bit rate, that is the amount of data per second, YouTube tells us that we can leave it automatically, even if as a reference it suggests selecting 8000Kbits / sec for movies in FullHD and 5000 for movies in HD.

We can increase these numbers, but keep in mind that as they grow, the size of the files increases, with more time to load and more space for storage.

CONTAINER

Regarding the extension, that is, the container, mp4 is the best option. Obviously, the frame rate, that is, the number of frames per second, must be the same as what you recorded and edited at.

PHOTOGRAMS TO THE SECOND

For example, if you choose 25 frames per second in these two stages, make sure it is the same when uploading.

AUDIO

Ok, this for the video part. And for the audio?

The choice here falls on the AAC-LC codec, which is obviously stereo and with a sample rate or sample rate of 48Khz.

I know it sounds complicated, but once you dictate these parameters into your encoding program and save them, you just have to select them when exporting and you can forget about them. You may be thinking: but my program already has the ‘export to Youtube’ function, can’t I use it? The quick answer is: you could do it, because in any case they generally have parameters that go more or less well with what YouTube asks us.

However, if you want maximum control and quality, create a preset with the parameters that I told you before, and that I will now quickly summarize:

H264 codec with HIGH profile, CABAC entropy mode and bit rate that can be automatic or 8000 Kbits / second for FullHD movies and 5000kbits / sec for HD movies
extension in mp4
number of frames per second that is the same as the one you recorded and edited as long as it is between 24 and 60 fps
Progressive and non-interlaced movies (for example, 1080p and not 1080i)
48 kHz audio, compressed in AAC-LC


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Which video format is the best?

Surely, like me, you have often wondered which video format is best for recording, editing and exporting for YouTube or social networks. And there is not a single format for everything, but many, too many! Let’s see what you need for each task.

In what format to record on camera

The semi or professional video cameras that we can find in the market have recording options in the most common formats, in addition to some RAW formats that we can find in cameras of higher segments. For example, the BlackMagic 6K is capable of recording in Blackmagic RAW, the new format developed by BlackMagic Design.

It is always advisable to use formats as compressed as possible as long as we are going to work intensively with the color of that video. This is like a photograph: we will always have much greater room for maneuver with a RAW photo than with a compressed JPG photo.

Therefore, the cameras include slightly more compressed formats, such as ProRes, H.264 or H.265. ProRes is a midway format, which offers a good balance of image quality and size and allows color correction without loss of quality, which makes it suitable for professional environments. But certainly the fastest and most suitable for mortals is the H.264. H.264 is the JPG of video, an all-terrain format accepted by the vast majority of online video players and services.

H.264 problem? At the time of editing it is a resource devourer, since the CPU has to decompress the signal. But if you have a moderately powerful PC you shouldn’t have a problem. Oh, by the way, there are video editors capable of decoding H.264 and H.265 using the GPU, not at the software level, but at the GPU level. For example, in DaVinci Resole Studio we can activate this option by going to the preferences and in Decoding we activate Use hardware acceleration and NVIDIA or the graphics card that we are using. I tell you that the speed jump is dramatic.

In addition, there are some cameras capable of recording in H.265 format. For example, we can record in H.265 (also known as HEVC) on the Panasonic GH5, but only in a very specific recording format. It is noteworthy that this mode in the Panasonic allows HDR through HLG (Hybrid Log Gamma or high dynamic range). So if you have a monitor compatible with this system, use the original color space of these Rec2020 HLG clips, since by selecting this color space in DaVinci Resolve you can get images with a large dynamic range, or then change the color space to Rec709 to recover brightness levels of this standard space.

The big question came up here: in what format do we record? It depends. It is not the same if you are recording a short film than a video for YouTube. According to my personal experience, for YouTube I don’t complicate my life and use more or less standard configurations. In fact, right now I’m recording this using the default setting of the GH5 H.264 with 8bits of color at 25fps and 100mb and with the Cinelike D color profile, not V-Log or anything like that, but Cinelike D. Taking Note that then YouTube compresses the video, I don’t see much sense recording with more bitrate or more color depth, so I use this simple and dragging preset.

Then there are other formats such as MP4 or AVCHD, but basically they use a lower bit rate.

But it may be the case that we want to record a movie with our GH5. In that case I do recommend going to more “professional” profiles, so to speak. Keep in mind that each camera is a world, but as a rule, when we are recording something with more cinematic aspiration, I recommend going to the highest quality option that the camera gives. There are cameras that allow recording in RAW, so we need tons of storage. For example, in the GH5 the highest quality preset is 4K at 400 megabits per second with a color depth of 10 bits. Take chestnut. That is, 50 megabytes per second at 10 bit color, an absolute madness.

In fact, it is so crazy that any SD card is not worth it, because if we use one that has a low write speed, we will be buffered and the recording will stop. That is why it is essential to use special cards that allow this recording speed, for example I have the Sony M Series 128GB, which allow a write speed of 150 Megabytes per second. Mind you, here we are mixing megabytes and megabits. In the camera preset we will see 400 megabits, that is, the mbps in lowercase, while the card shows it in Megabytes, with the MB in uppercase.

That is, if my camera sends the signal at 50 megabytes, this card would theoretically withstand three times the writing speed, but this is in theory, and then in practice each card is from his father and mother and the speed of writing decreases.