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WHAT IS GOOD RELATED TO MKV VIDEO?

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The modern digital world offers a variety of ways to get high quality content. Of course, most ordinary users are not very interested in this, but even a person outside of a computer may notice that the number of new audio and video file formats has increased significantly. In particular, the MKV format has gained immense popularity in recent years. More scientifically, this is a special container file.

form mkv

As you can see from the title, this file is used to store information in a “packaged” form. Most video files are not very compact and therefore are compressed with special encoders for ease of use. The quality of this compression is characterized in many ways by the form of MKV mentioned by us.
In the early 1990s, the computer industry began to take its first steps in this direction. In particular, at that time Microsoft created the extremely popular AVI (Audio Video Interleave) to date. And so far this discovery has been a big step forward, but to date the capabilities of the old encoder are clearly insufficient. For example, there is not much additional information about the movie that can be placed in this file. However, the MKV format of these features contains more than enough.

By the way, it was created by our compatriots. They tried to provide the requirements that will be presented in the video in the coming years. As a result, a new container appeared, which was named “matryoshka”. With its characterization it is already possible to imagine its internal structure.
However, what is so good about the MKV format? First of all, you can save several audio tracks in different languages at the same time, you can create separate chapters and even a full menu. Also, if necessary, it is easy to “extract” sound and video from it. But the main difference from the old AVI is that the appearance of the MKV format, even in the form of some gigabyte files, will never worry about “switching” and slowing down.

Of course, this only applies to fairly powerful machines, because on older computers your favorite movie can become a real presentation. You also need a regular graphics card for comfortable viewing.

To summarize and tell you briefly the most important advantages of the new form.

First of all, you should say that even advanced users consider the main contents of the container to be MP4 files, although this is not the case. The following types of audio and video files can be entered in “matryoshka”: MPRG, H264, AVC1, WMV, etc. Keep in mind that the program used for the MKV format (media player) must support them perfectly. VLC, KMP and Totem (for .nix systems) are ideal for this. However, MKV support has recently gained other types of players.

Another great innovation was the big one. “Matryoshka’s resistance to errors, the constant updating of the form by the developer community, and the transparency that made possible even the lobby of proprietary code makers, who even recently opposed the introduction of support for the MKV format on modern Blu-ray players.

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Differences between AVI, MKV, MP4 which format to choose

The difference between the container formats AVI, MP4 and MKV as well as between the audio / video codecs H.264, H.265, Xvid and WMV
If you download a video from the Internet or record it from your PC, mobile phone or video camera, the video is in most cases in AVI, MP4 or MKV format.

But what’s the difference between these three popular media file formats? Which is better and which should you target?

To answer these questions, you first need to understand what is behind the abbreviations AVI, MP4, MKV. Let us clarify something.

Each media file consists of two parts: the container format and the codec. The container format is the extension of the multimedia file (AVI, MP4, MKV), with which the type of data that can be contained is identified: audio and / or video, subtitles, metadata names, etc. Specifically from the three in question:

-AVI is a container format created by Microsoft in 1992 that can contain one or two audio streams and a video stream, but does not support subtitle formats.

-MP4 was introduced in 2001 and later improved in 2003. It can contain a variety of video and audio streams, as well as subtitles and still images.

-MKV was introduced in 2002 and can contain virtually all types of video and audio codecs as well as multiple subtitle tracks, chapters and DVD menus, etc., making it the most complete of the three.

The data contained in the container file is compressed by a codec, the function of which is to reduce the size of the audio or video file (with data compression) in favor of the portability or portability of the multimedia file in question.

When it comes to container formats, the audio / video codecs are diverse and differ from one another. Regarding video files, the following four are the most popular codecs.

-WMV (Windows Media Video): The codec introduced in 1999 was developed by Microsoft and is part of the Windows Media platform. It can be integrated into the AVI and ASF container formats. Although it supports multiple Windows platforms, the WMV codec is gradually falling out of favor with other, more preformed codecs.

-Xvid (H.263 / MPEG-4 Part 2): This codec, launched in 2001, has been highly valued for its compression features that allow it to compress DVD movies to fit a CD without undue loss of quality.

-x264 (H.264 / MPEG-4 AVC): Introduced in 2003, better known as H.264, is the standard codec used and compressed in Blu-ray discs and for video transmission on YouTube, Vimeo and other portals can create videos in small files with high video quality (video resolution up to 4K).

-x265 (H.265 / MPEG-H HEVC): It was introduced in 2013 and is better known as H.265. It is the successor codec for H.264, but can compress more than twice the data compared to the latter, but guarantees the same quality as H.264 and supporting resolutions up to 8K. H.265 is undoubtedly the near future of codecs, but it hasn’t been widely supported since its release.

Which video container and codec format should I choose?

HandBrake video codec and container format options
In the event that you create a video (possibly to distribute it to the public) and / or convert it using software that allows you to choose the codec and format of the container (e.g. HandBrake, where that previous screenshot), available data, today it is better to point out the MP4 format because it is largely compatible with different devices and the large amount of data it can contain. You can also opt for the larger MKV container, which is constantly growing compared to MP4, but is currently less common.

With audio / video codecs, it is currently better to focus on the H.264 codec, which is the best compromise to get reasonably sized high quality video files while waiting for H.265 more Support is given instead, the WMV remains less and less popular, as does the good Xvid, which can compress files correctly but does not offer the same video quality as the H.264 codec.

The secrets of how MP4 film and video compression works

You watch videos on an electronic device, tablet, smartphone or PC every day, but have you ever wondered how they work?

If we can stream high-definition films on our computers today, it is ideal for the technologies that have been developed over the past 30 years and that have revolutionized our view of digital film archiving. Technologies that are part of video compression systems.

How does a video work?

In general, a video is nothing more than a series of photos that appear in quick succession as quickly as possible.

By displaying the images in succession on the order of a few tens per second, it is possible to achieve the motion effect typical of films.

In particular, the video we see every day generally shows 24 to 25 frames per second. The number of frames per second displayed in a video is called the frame rate or even FPS (frames per second), which you have probably heard in the field of video games.

Video compression

If you do a quick calculation, it is clear that displaying 25 frames per second and saving exactly as you would save a photo on your computer would reach dimensions that are not realistic in terms of space.

A short example: A medium resolution photo in JPEG requires 300 KB. If 25 photos per second have to be displayed, we need 7.5 MB per second. So a 1 hour movie would be 27 GB. Considering that a DVD can generally hold 4.7 GB of data, this would mean that the average movie should be spread over a dozen DVDs, with the effort required to replace the disc every ten minutes of the movie .

Fortunately, we have managed to find a smarter way to play these films, and today we are generally used to recording video in kbps. H. eighth KB per second.

An hour of 300 kbps video only consumes 135 MB, much less than the previous 27 GB, and a value that allows you to realistically transfer these videos over the Internet, creating systems like YouTube, Netflix, and the competition.

Reducing the size of these videos is called “compression”. We generally speak of lossy compression, which is a type of compression that results in a slight loss of quality, most of which is aimed at being invisible to the eye. Human.

The higher the compression, the greater the loss of quality, of course. And if poorly compressed video can be of very high quality if you increase the compression, you will easily get into the mistake of moving around the screen.

How does video compression work?

The compression process of a video is quite long and varied. A lot depends on the type of format used. MPEG2, H264, WEBM … There are dozens of ways to compress a video, and they all give more or less different results depending on the video type.

In principle, however, all of these video compression formats have some strengths in common, which we will describe below.

First we said that the video consists of a series of pictures and that we have to show all of these pictures one after the other to show the video.

The problem is that storing all of these images takes up a lot of space. To save space, video formats generally don’t save all of the images. However, you save a single frame for every N images. Usually a complete picture is saved every 12 pictures. Of the remaining 11, only the parts of the image that have changed from the previous image are saved.

This way, instead of having to save 12 whole images, we can save the first in its entirety and then only the piece that changes between the first and the second, then only the piece that changes between the second and the third and so on.

The images that are completely saved are called I-FRAME and those whose only difference from the previous image is P-FRAME.

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Characteristics of the Mpeg or MPG format

MPEG stands for Moving Picture Experts Group and is pronounced m-peg. MPEG is a group of ISO and family of compression standards and digital video file formats developed by the group.

MPG or MPGE is basically a container format, since it can contain multiple audio and video tracks, or even optional subtitle tracks. Depending on the properties of the audio and video (resolution, bitrate, FPS, etc.), the MPG file will adapt to a certain standard.

MPEG generally produces better quality videos than other formats, such as video for Windows, Indeo, and QuickTime.

MPEG algorithms compress information into small packets that can be easily transmitted and then decompressed. MPEG achieves its high compression rate by storing only the changes from one frame to the next, instead of storing the entire frame. The video information is then encoded using a technique called Discrete Cosine Transform (DCT).

With the compression that MPEG uses, certain data is lost, but this loss is generally imperceptible to the human eye.

Regions

The MPG format is dependent on the geographical area in which it is used. Therefore, the PAL format is the one used in Europe, whereas the NTSC is the American format. However, there are multizone devices that are compatible with both PAL and NTSC. If the MPG video you will be using is in 25 FPS, you must convert it to PAL format, and if it is in 23.976 or 29.976FPS, you must use NTSC format.

The main MPEG compression formats are:

MPEG -1: is the initial audio and video compression standard. It provides video with a resolution of 352×240 at 30 frames per second (fps). This produces slightly lower video quality than conventional VCR videos. Includes Layer 3 (MP3) audio compression format.

MPEG -2: standard for audio and video for television quality broadcast. It offers 720×480 and 1280×720 resolutions at 60fps, with audio CD quality. This is sufficient for most TV standards, including NTSC, and even HDTV. MPEG-2 is used for you, satellite TV services and digital cable TV signals. MPEG-2 can compress a 2-hour video into a few gigabytes. Although decompressing an Mpeg-2 data stream does not require a lot of computer resources, encoding to the Mpeg-2 format requires considerably more power for the process.

MPEG -3: It was designed for HDTV but was abandoned in favor of MPG-2.

MPEG -4: standard graphics and video compression algorithm based on Mpeg-1 and Mpeg-2 technology and Apple QuickTime. Mpeg-4 files are smaller than JPEG or QuickTime files, so they are designed to transmit video and images over a narrow bandwidth and can mix video with text, graphics, and 2D and 3D animation layers.

MPEG -7: formally called Multimedia Content Description Interface, Mpeg-7 provides a toolkit for multimedia content. Mpeg-7 is designed to be generic and is not intended for a specific use.

MPEG -21: Includes a Rights Expression Language (REL) and a Rights Data Dictionary. Unlike other MPEG standards that describe compression and encoding methods, Mpeg-21 describes a standard that defines content description and also the processes for accessing, searching for, storing and protecting the copyright of content.

Kenmerken van video’s op Facebook

OPMERKING: de informatie die we commentaar hieronder zijn voor video’s die niet zijn 360º of live uitgezonden.

TECHNISCHE EIGENSCHAPPEN

Het wordt aanbevolen om de H.264-codec gebruiken om een MP4-formaat te verkrijgen.
Wat betreft de afmetingen, verdient het aanbeveling het zijn 720p (720px zowel uitzonderlijk, dat wil zeggen vierkant van vorm).
De video kan een maximale snelheid van 30 frames per seconde (30 fps) hebben. Als een video wordt geupload in een formaat van meer dan 30 fps, zal Facebook het te verlagen bij deze snelheid.
Wat betreft het geluid van de video, is het beter om te kiezen voor stereogeluid met een bereik van 44.100 Hz (44,1 kHz).

FORMATS

Facebook raadt het gebruik van MP4 of MOV-formaat (van de twee, om de krul krullen en als we in de «Technische kenmerken» genoemd, beter MP4) maar hier zien we een compleet overzicht van de video-indelingen die kunnen worden geüpload:

3g2 (mobiele video)
3gp (mobiele car video)
3GPP (mobiele video)
asf (Windows Media video)
avi (video AVI)
DAT (MPEG video)
divx (DivX video)
dv (DV video)
f4v (flash video)
flv (flash video)
m2ts (M2TS video)
m4v (MPEG-4 video)
mkv (Matroska-formaat)
mod (video mOD)
mov (QuickTime Movie)
mp4 (MPEG-4 video)
MPE (MPEG video)
mpeg (MPEG video)
mpeg4 (MPEG 4 video)
MPG (MPEG video)
mts (AVCHD video)
NSV (Nullsoft video)
ogm (Ogg multimedia-formaat)
ogv (Ogg videoformaat)
qt (QuickTime Movie)
tod (TOD video)
ts (MPEG Transport Stream)
VOB (DVD Video)
wmv (Windows Media Video)

Om ervoor te zorgen dat de video’s van hoge kwaliteit zijn, kunnen we het volgende proberen:

Voeg HD-video’s
Verminder de grootte van de video.
Verminder de bestandsgrootte.
Houd er rekening mee dat de duur en de omvang van de video de kwaliteit ervan kan beïnvloeden.
Video’s moeten minder dan 120 minuten duren. Het bestand moet 4 GB of minder.

Met 4.000 miljoen video’s per dag, heeft Facebook zich gepositioneerd als een van de belangrijkste platforms om te overwegen als het gaat om video. Maar het is geen toeval.

Mark Zuckerberg is al lang in staat geweest om te zien dat audiovisuele inhoud was een diamant in de Rough voor kleine en grote bedrijven, dus hij wilde beginnen met uitzicht op YouTube en begonnen met het aanbieden van de mogelijkheid van het uploaden van video’s rechtstreeks vanaf Facebook – het is heel eenvoudig en u kunt het vinden optie in het status update of op het tabblad “video’s” van het platform.

Net zoals een detail …

Video’s op Facebook te krijgen 2,5 keer meer bekeken dan de video’s op YouTube die op het platform zijn gepubliceerd.
Waar gaat dit over? Waarom moet video’s op Facebook te werken beter en nog meer als je ze direct vanaf het platform zelf uploaden?

Om te beginnen, dat komt omdat het uploaden van uw eigen video’s op Facebook in plaats van ze te delen van andere platforms zoals YouTube of Vimeo garandeert u een grotere zichtbaarheid, bereik en interacties.

Dat wil zeggen, de oorspronkelijke video’s van Facebook zijn meer op de muren zien en ze worden automatisch overgenomen, waarmee het aantal reproducties toeneemt en ik hou ook van hen, de commentaren en de aandelen.

In feite, de pagina’s die meestal video’s naar het platform te uploaden op een regelmatige basis komen tot een verbetering van de organische bereik van niets meer en niets minder dan 75%.

Dit alles maakt Facebook een zeer krachtig netwerk op het gebied van video marketing en die video’s rechtstreeks publiceren van Facebook wordt bijna uw belangrijkste optie binnen uw video marketing strategie.

In die zin is een SocialBakers studie die meer dan 180.000 berichten geanalyseerd van 20.000 verschillende Facebook-pagina’s is gebleken dat:

Inheemse video’s op Facebook zijn zij goed voor bijna 80% van alle video-interacties op het platform.
Dat is de kracht van video marketing die BuzzFeed Motion Pictures heeft een team van 40 mensen om zijn eigen hoge kwaliteit video’s te maken, en in feite door middel van haar video marketing strategie van het bedrijf erin geslaagd om het bedrag van de maandelijkse bezoeken aan de website te verhogen. 2,8 miljard tot meer dan 7 miljard in slechts één jaar. Van deze 33% afkomstig van Facebook.

Characteristics of videos on Facebook

NOTE: the information we comment below are for videos that are not 360º or broadcast live.

TECHNICAL CHARACTERISTICS

It is recommended to use the H.264 codec to obtain an MP4 format.
As for the dimension, it is recommended that it be 720p (720px both wide and long, that is, square in shape).
The video may have a maximum speed of 30 frames per second (30 fps). If a video is uploaded in a format greater than 30fps, Facebook will reduce it at this speed.
As for the sound of the video, it is better to opt for stereo sound with a range of 44,100 Hz (44.1 kHz).

FORMATS

Facebook recommends using the MP4 or MOV format (of the two, to curl the curl and as we mentioned in the «Technical characteristics», better MP4) but here we show a complete list of the video formats that can be uploaded:

3g2 (mobile video)
3gp (mobile car video)
3gpp (mobile video)
asf (Windows Media video)
avi (video AVI)
dat (MPEG video)
divx (DIVX video)
dv (DV video)
f4v (flash video)
flv (flash video)
m2ts (M2TS video)
m4v (MPEG-4 video)
mkv (Matroska format)
mod (video MOD)
mov (QuickTime Movie)
mp4 (MPEG-4 video)
mpe (MPEG video)
mpeg (MPEG video)
mpeg4 (MPEG-4 video)
mpg (MPEG video)
mts (AVCHD video)
nsv (Nullsoft video)
ogm (Ogg multimedia format)
ogv (Ogg video format)
qt (QuickTime Movie)
tod (TOD video)
ts (MPEG Transport Stream)
vob (DVD Video)
wmv (Windows Media video)

To make sure the videos are of high quality, we can try the following:

Add HD videos
Reduce the size of the video.
Reduce the file size.
Keep in mind that the duration and size of the video can affect its quality.
Videos must last less than 120 minutes. The file size must be 4 GB or less.

With 4,000 million videos every day, Facebook has positioned itself as one of the main platforms to consider when it comes to video. But it is no accident.

Mark Zuckerberg has long been able to see that audiovisual content was a diamond in the rough for small and large companies, so he wanted to start facing YouTube and began offering the possibility of uploading videos directly from Facebook – it’s very simple and you can find the option in the status update or in the “videos” tab of the platform.

Just as a detail …

Videos on Facebook get 2.5 times more views than videos on YouTube that are published on the platform.
What is this about? Why do videos on Facebook work better and even more if you upload them directly from the platform itself?

For starters, that’s because uploading your own videos on Facebook instead of sharing them from other platforms such as YouTube or Vimeo guarantees you greater visibility, reach and interactions.

That is to say, the native videos of Facebook are shown more on the walls and they are reproduced automatically, with which the number of reproductions increases and I also like them, the comments and the shares.

In fact, those pages that usually upload videos to the platform on a regular basis achieve an improvement in the organic reach of nothing more and nothing less than 75%.

All this makes Facebook a very powerful network in terms of video marketing and that publishing videos directly from Facebook becomes almost your main option within your video marketing strategy.

In this sense, a SocialBakers study that analyzed more than 180,000 messages from 20,000 different Facebook pages revealed that:

Native videos on Facebook are generating almost 80% of all video interactions on the platform.
Such is the power of video marketing that BuzzFeed Motion Pictures has a team of 40 people to make its own high quality videos, and in fact through its video marketing strategy the company managed to increase the amount of monthly visits to its website. 2.8 billion to more than 7 billion in just one year. Of these, 33% came from Facebook.

Normalize the volume gain of an audio or video file

During the first years of the appearance of mp3s, a constant problem, which had no solution, were the ups and downs in the volume of mp3 files. There were ups and downs in the volume level of each song.
It was essential to turn the volume knob to manually level the volume.

There was no solution to the problem of leveling the volume gain of each mp3, to make the sonosrity of each mp3 file similar to the others.

Soon some ideas emerged, mostly based on looking for the peak of each song, to naively seek to increase the loudness or volume of that mp3, amplifying the mp3 until the peak reached its maximum possible level, without distorting.

Because in music, if the maximum volume level is exceeded, distortion occurs. And if we have looked for the high sound quality, it would be absurd for us to destroy that quality by introducing distorison in our attempt to level the volume of each mp3.

But this method of analyzing each fragment of the mp3, looking for the volume peaks, to then be able to calculate how much the song could be amplified so that that peak reaches its highest possible level, without reaching distortion, it did not get all the mp3s They will sound like that. What was intended was to improve the level of loudness, the level of gain and match them between the different mp3s.

That’s how ideas mature, like the Replay Gain. Where the well-known Mp3Gain came from.

But research and experimentation continued and soon similar paths followed those used in recording studios. A mixture of limiters, compressors, etc. that achieved a better result by matching the volume levels of an mp3.

As the normalization algorithms were improving, audio formats began to be added. Looseless formats emerged and gained poipularity. And then it was no longer enough to normalize mp3s. Now it was necessary to normalize the volume gain level of many audio formats: ogg, flacc, acc, mp3, m4a, etc.

And soon, with the popularity of the video, it was also necessary to match the volume levels of the videos. Normalize videos became a daily necessity.

This is how Mp4Gain offers the possibility to normalize the audio of audio files and video files, in all the most popular formats.

Normalisieren Sie die Lautstärke einer Audio- oder Videodatei

In den ersten Jahren des Erscheinens von MP3s war das Auf und Ab der Lautstärke von MP3-Dateien ein ständiges Problem, das keine Lösung fand. Es gab Höhen und Tiefen in der Lautstärke jedes Songs.
Es war wichtig, den Lautstärkeregler zu drehen, um die Lautstärke manuell einzustellen.

Es gab keine Lösung für das Problem, die Lautstärke der einzelnen MP3-Dateien zu regeln, um die Klangqualität der einzelnen MP3-Dateien an die der anderen anzupassen.

Bald tauchten einige Ideen auf, hauptsächlich basierend auf der Suche nach dem Peak eines jeden Songs, um naiv zu versuchen, die Lautstärke oder Lautstärke dieses MP3 zu erhöhen und den MP3 zu verstärken, bis der Peak seinen maximal möglichen Pegel erreicht hat, ohne zu verzerren.

Wenn in der Musik die maximale Lautstärke überschritten wird, kommt es zu Verzerrungen. Und wenn wir nach der hohen Klangqualität Ausschau gehalten hätten, wäre es für uns absurd, diese Qualität zu zerstören, indem wir bei unserem Versuch, die Lautstärke der einzelnen MP3-Dateien zu regeln, einen Unterschied machen.

Bei dieser Methode, bei der jedes Fragment der MP3-Datei analysiert und nach den Lautstärkespitzen gesucht wird, wird berechnet, wie stark das Lied verstärkt werden kann, damit diese Spitze ihren höchstmöglichen Pegel erreicht. Ohne Verzerrung wurden jedoch nicht alle MP3-Dateien abgerufen Sie werden so klingen. Ziel war es, den Lautstärkepegel und die Verstärkung zu verbessern und sie auf die verschiedenen MP3s abzustimmen.

So reifen Ideen wie der Replay Gain. Woher das bekannte Mp3Gain kam.

Die Forschung und das Experimentieren gingen jedoch weiter und bald folgten ähnliche Wege wie in Aufnahmestudios. Eine Mischung aus Begrenzern, Kompressoren usw. das erzielte ein besseres ergebnis durch die anpassung der lautstärkepegel eines mp3.

Mit der Verbesserung der Normalisierungsalgorithmen wurden Audioformate hinzugefügt. Es entstanden lose Formate, die an Poipularität gewannen. Und dann reichte es nicht mehr aus, um MP3s zu normalisieren. Nun war es notwendig, die Lautstärke vieler Audioformate zu normalisieren: ogg, flacc, acc, mp3, m4a usw.

Und bald, mit der Popularität des Videos, war es auch notwendig, die Lautstärke der Videos anzupassen. Das Normalisieren von Videos wurde zur täglichen Notwendigkeit.

Auf diese Weise bietet Mp4Gain die Möglichkeit, das Audio von Audio- und Videodateien in allen gängigen Formaten zu normalisieren.

Normalizza il guadagno del volume di un file audio o video

Durante i primi anni della comparsa degli mp3, un problema costante, che non aveva soluzione, erano gli alti e bassi del volume dei file mp3. Ci sono stati alti e bassi nel livello del volume di ogni brano.
Era essenziale ruotare la manopola del volume per livellare manualmente il volume.

Non c’era soluzione al problema di livellare il guadagno di volume di ogni mp3, per rendere la sonosità di ogni file mp3 simile agli altri.

Presto sono emerse alcune idee, principalmente basate sulla ricerca del picco di ogni canzone, per cercare ingenuamente di aumentare il volume o il volume di quell’mp3, amplificando l’mp3 fino a quando il picco ha raggiunto il massimo livello possibile, senza distorcere.

Perché nella musica, se viene superato il livello massimo del volume, si verifica una distorsione. E se abbiamo cercato l’alta qualità del suono, sarebbe assurdo per noi distruggere quella qualità introducendo distorsione nel nostro tentativo di livellare il volume di ogni mp3.

Ma questo metodo di analisi di ogni frammento dell’mp3, alla ricerca dei picchi di volume, per poter poi calcolare quanto la canzone potrebbe essere amplificata in modo che quel picco raggiunga il suo livello più alto possibile, senza raggiungere la distorsione, non ha ottenuto tutti gli mp3 Suoneranno così. Lo scopo era migliorare il livello di volume, il livello di guadagno e abbinarli tra i diversi mp3.

Ecco come maturano le idee, come Replay Gain. Da dove viene il noto Mp3Gain.

Ma la ricerca e la sperimentazione continuarono e presto percorsi simili seguirono quelli usati negli studi di registrazione. Una miscela di limitatori, compressori, ecc. che ha ottenuto un risultato migliore abbinando i livelli di volume di un mp3.

Mentre gli algoritmi di normalizzazione stavano migliorando, iniziarono ad essere aggiunti i formati audio. Sono emersi formati senza gioco e hanno acquisito poipularità. E poi non era più sufficiente normalizzare gli mp3. Ora era necessario normalizzare il livello di guadagno del volume di molti formati audio: ogg, flacc, acc, mp3, m4a, ecc.

E presto, con la popolarità del video, è stato anche necessario abbinare i livelli di volume dei video. La normalizzazione dei video è diventata una necessità quotidiana.

Ecco come Mp4Gain offre la possibilità di normalizzare l’audio di file audio e file video, in tutti i formati più diffusi.

Normaliseer de volumetoename van een audio- of videobestand

Tijdens de eerste jaren van het verschijnen van mp3’s waren de ups en downs in het volume van mp3-bestanden een constant probleem, dat geen oplossing had. Er waren ups en downs in het volumeniveau van elk nummer.
Het was essentieel om de volumeknop te draaien om het volume handmatig te regelen.

Er was geen oplossing voor het probleem van de volumewinst van elke mp3, om de sonosriteit van elk mp3-bestand vergelijkbaar te maken met die van de andere.

Al snel kwamen er enkele ideeën naar voren, meestal gebaseerd op het zoeken naar de piek van elk nummer, om naïef te proberen de luidheid of het volume van die mp3 te verhogen, waardoor de mp3 werd versterkt totdat de piek zijn maximaal mogelijke niveau bereikte, zonder te vervormen.

Omdat in muziek, als het maximale volumeniveau wordt overschreden, vervorming optreedt. En als we hebben gezocht naar de hoge geluidskwaliteit, zou het absurd zijn voor ons om die kwaliteit te vernietigen door distorison te introduceren in onze poging om het volume van elke mp3 te regelen.

Maar deze methode om elk fragment van de mp3 te analyseren, op zoek naar de volumepieken, om vervolgens te kunnen berekenen hoeveel het nummer zou kunnen worden versterkt, zodat die piek het hoogst mogelijke niveau bereikt, zonder vervorming te bereiken, kreeg het niet alle mp3’s Zo zullen ze klinken. Het was de bedoeling om het luidheidsniveau, het versterkingsniveau te verbeteren en ze te matchen tussen de verschillende mp3’s.

Dat is hoe ideeën volwassen worden, zoals de Replay Gain. Waar de bekende Mp3Gain vandaan kwam.

Maar onderzoek en experimenten gingen door en al snel volgden vergelijkbare paden die in opnamestudio’s werden gebruikt. Een mengsel van begrenzers, compressoren, enz. dat een beter resultaat behaalde door de volumeniveaus van een mp3 te matchen.

Naarmate de normalisatie-algoritmen verbeterden, werden audioformaten toegevoegd. Losse formaten ontstonden en werden populair. En toen was het niet langer genoeg om mp3’s te normaliseren. Nu was het nodig om het volume-versterkingsniveau van vele audioformaten te normaliseren: ogg, flacc, acc, mp3, m4a, etc.

En al snel, met de populariteit van de video, was het ook nodig om het volumeniveau van de video’s te evenaren. Video’s normaliseren werd een dagelijkse noodzaak.

Dit is hoe Mp4Gain de mogelijkheid biedt om de audio van audiobestanden en videobestanden te normaliseren in alle populaire formaten.