Digital video formats: how to differentiate them

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As with text documents, photographs or audios, digital video is available in different formats or extensions.

In this sense, today we find DVD and Blu-Ray, although some of us still keep in an old VHS closet and maybe some Betacam.

But a second meaning or meaning of video formats refers to their encoding, since in digital video, as with a computer program, any file is written in a certain code.

In videos, the code influences image quality, sound quality, whether or not it includes subtitles and, especially, the relationship between quality and file size.

Thus, today we consume digital audiovisual content through physical discs (DVD, Blu-Ray), through streaming and through IPTV (Internet television), but we also handle digital video files, especially for content that we generate ourselves.

Next we will review the most common digital video formats that we can find, what is their origin and what benefits they offer. I apologize in advance for the gibberish of acronyms.

AVI

We start with the most popular format that we will find. Video files with an .AVI extension have their origin in a format that was launched in 1992 and is so popular that most smart TVs, DVD / Blu-Ray players, video game consoles and operating systems play it.

AVI is an acronym for Audio Video Interleave and not many know that it was created by Microsoft as a digital alternative without dependence on a physical format such as the then popular DVD.

Among its advantages, it allows you to include several audio channels and host content generated with different codecs (AC3 or MP3 for audio, DivX or Xvid for video), which can be an advantage but also an inconvenience with which players.

MP4

MP4 or MPEG-4 is one of the most modern formats, launched in 1998 as a standard for playing video and audio in a single digital file.

MPEG stands for Moving Picture Experts Group, the expert group that has established digital audio and video standards and was formed by two international organizations, the ISO (International Organization for Standardization) and the IEC (International Electrotechnical Commission).

In summary, the MPEG and MPEG-2 format were launched in 1993 and 1995 respectively as standards for encoding digital audio and video. To understand each other, any DVD offers its audiovisual content in MPEG-2.

MP4 also supports several audio channels, but has the advantage of allowing more image and sound quality in a less heavy file, as it compresses data better. Apple, for example, opts for this format and derivatives for its iTunes content.

Related to MP4 we can find M4V (video) or M4A (audio).

MKV

The MKV video format is an open format, free to pay rights, and whose full name is Matroska, like traditional Russian dolls.

MKV saw the light at the end of 2002 and has become popular thanks to the fact that within a single MKV file we can store, together with the audio channel, several channels or audio tracks and several subtitle tracks.

Like MP4, it offers very good audio and video quality in a small space. And as a curiosity, the WebM format that allows you to integrate online video via HTML, is inspired by Matroska.

FLV

The FLV or Flash Video format was created by Macromedia, and subsequently acquired by Adobe. This format is usually found as an FLV or SWF extension.

Like the other Flash content, FLV videos are designed for online playback from the browser through Adobe Flash Player.

As we saw in a previous article, Flash will stop developing in 2020, although we still find pages that use it.

MOV

I said before that Apple is currently betting on MP4 (and AAC) to facilitate multimedia content. But its star format for many years was MOV.

MOV, from QuickTime Movie, is also called QuickTime File Format, and today it is still the default format of QuickTime, the macOS video player.

This format can also be found in many digital video cameras, since it offers very good quality

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The quality of YouTube videos leaves much to be desired: they need an update

When we watch a video on the platform, we can usually appreciate that, despite finding videos in 1080p resolution, the compression applied by the platform is too aggressive. This causes the final quality of the video we are watching to differ greatly from that of the original file. The codec that YouTube uses is H.264 / MPEG-4 AVC, using various profiles or “levels” that specify the maximum resolution, frames per second and maximum bitrate of each quality.

We have analyzed a few videos, and we have taken a fairly representative one that is available on both Vimeo and YouTube to see how both platforms compress the videos. In addition, we have seen the maximum and minimum bitrate that each video can have according to the YouTube Help page for each resolution. The audio, as we discussed in summer, reaches 128 Kbps, leaving 320 Kbps only for YouTube Red users.

What sound quality (bitrate) do YouTube videos have?

The bitrate for 1080p videos is too low: 4K is the way to go
The bitrates that YouTube says it assigns to each video are the following, with the profile level in parentheses:

4K / 2160p
60 fps: Between 20,000 and 51,000 Kbps (L5.2)
30 fps: Between 13,000 and 34,000 Kbps (L5.1)
1440p
60 fps: Between 9,000 and 18,000 Kbps (L5.1)
30 fps: Between 6,000 and 13,000 Kbps (L5.0)
1080p
60 fps: Between 4,500 and 9,000 Kbps (L4.2)
30 fps: Between 3,000 and 6,000 Kbps (L4.1)
720p
60 fps: Between 2,250 and 6,000 Kbps.
30 fps: Between 1,500 and 4,000 Kbps.
480p: Between 500 and 2,000 Kbps.
360p: Between 400 and 1,000 Kbps.
240p: Between 300 and 700 Kbps.

In our tests, the bitrates we obtained for the previous video were the following:

4K at 30 fps
Vimeo: 19.4 Mbps (file size: 943 MB) (capture)
YouTube: 17 Mbps (file size: 821 MB) (capture)
1080p at 30 fps
Vimeo: 4.31 Mbps (file size: 219 MB) (capture)
YouTube: 3.2 Mbps (file size: 160 MB) (capture)
vimeo vs youtube compression

As we see, Vimeo files occupy more not only because of the lower compression of the videos, whose quality is superior to the naked eye, but that Vimeo’s sound quality doubles that of YouTube, since it reaches 256 Kbps by 128 Kbps from YouTube. So that you can see the difference in image quality, you can open the same New Zealand Ascending video on YouTube and Vimeo, and we have also left four captures at the same moment of each video so you can save them and see comfortably the video difference.

The truth about audio formats and their quality

As you well know, there are three digital ways to play a song. From the original recording, through a copy with lossless compression (what we usually find when we buy a CD) or through a copy with lossy compression (which we usually download legally from the G.G internet).

The three files differ basically in the same property, which is none other than bitrate, that is, the information it contains per second. As more bitrate, more weight, so an audio file of a song without compression can quietly occupy 200mbs. In the second case (lossless understanding), the weight is reduced a lot (over 40, 50mbs), and is obtained by reducing the bitrate in those parts with silence, or with a wave oscillation in a single spectrum. To understand each other, the healthy young ear recognizes between 20Hz and 20KHz. A file with lossless compression (usually .flac files or those found on a CD) maintains this spectrum, reducing it when it is not necessary (silences). And finally there are the files with compression and loss (.mp3, .mp4, .flv, …) files that reduce this spectrum to the one that most ears recognize, leaving it around between 15Hz and 15KHz, obtaining a weight per file of song around 4mb, 5mb.
The latter has always been questioned, especially in musical circles, which assured that compression with loss greatly diminished the quality of what was reproduced, not allowing to admire the most serious or the most acute, thus losing all the completeness of the work.
As if that were not enough, mp3 files have different encodings (64, 128, 192 or 320 Kbps), with a greater or worse loss, and even constant (CBR) or variable bitrate (VBR) that is usually optimal when compressing with various bitrates Different moments of the songs.

Well, it has been more than 50 years before a good music lover programmer named Jeff Atwood decided to see if there really is a substantial change for the human ear between the different formats. In his blog, after several entries and several weeks of study in what would be called The Great Experiment of bitrate in MP3, we have finally obtained an empirical version of this eternal question.

But let’s make a brief summary of what we have in hand.
To test his hypothesis, Atwood decided to hang five audio files from his website, one of them being the original (without any digital treatment that modifies the bitrate), and another four tablets at various bitrates between 128 and 320 Kbps. The objective was that the user entered, listened to the five, and chose which one seemed to him to have higher or lower quality. Best of all, he obtained a not insignificant opinion of 3,500 visitors, hanging the results weeks later.

And from his observations you can get some gold reefs:
No doubt people knew how to differentiate the worst of all, such as the mp3 encoded with the worst bitrate 128 Kbps CBR.

The variable bit rate coding proved to be higher than the constant.
The most positive audio obtained was that of 160Kbps VBR, even higher than 320 Kbps CBR, and paradoxically also superior to the original audio of the CD.

From all this follows a corollary:
People are unable to ensure that it has more quality above 160Kbps, so it sends lossless formats to the horn that occupy one more scumbag, and that in practice, our ear cannot discern.
So you know. That’s over 15, 20 songs for a CD. There is no excuse.

MP3 vs FLAC vs AAC vs OGG: what differences does each audio format have?

Although streaming platforms such as Spotify are more fashionable than ever thanks to their great musical variety, reduced price and convenience of not having to manually download the files, many users still prefer to have music stored locally, for which there are formats like MP3, FLAC, AAC and OGG.

These formats are currently the most widespread for music on our devices, being able to pass files between PC and mobile without relying on the Internet and without being afraid of depleting our data rate. Most of the formats that we are going to deal with are formats that compress information, and therefore have quality losses. About the compression of images and files we talked a while ago.

Why does a compressed file occupy less?

Audio formats with losses: MP3, AAC and OGG

The first of the formats that we are going to try is MP3. This format, whose acronym stands for MPEG Audio Layer III, is the most commonly used format with loss of quality. It is not the one that offers the best quality or best compression, but its great compatibility has made the standard format for music for decades.

Another widely used format for sound in recent years is AAC. It is very similar in MP3 performance, but has the advantage that it is able to offer the same quality in a smaller size. This is the reason why platforms like Apple’s iTunes use it, and the fact that Apple uses it has made its compatibility as great as MP3’s today. AAC is also used to compress stereo sound in movies of 1 or 2 GB in size that we find in various torrent portals, direct download or streaming.

The next most used format is OGG, or OGG Vorbis, it is a free alternative to AAC and MP3 (although the MP3 patent ended last May). Its size is similar to that of MP3, but its compression is smaller, keeping a higher audio quality than MP3, especially at high frequencies, which destroys the MP3 the lower the bitrate. In addition, while MP3 reaches 320 Kbps, OGG reaches up to 500 Kbps.

Lossless audio formats: FLAC, ALAC and WAV

On the other hand, we have FLAC. This lossless format is free, as indicated by its name (Free Lossless Audio Codec). The size of your files is between 5 and 10 times larger than MP3, but it has no losses, although the audio is “compressed.” Thus, it occupies much less than uncompressed formats such as WAV or AIFF, and maintaining the same sound quality.

The equivalent of FLAC in Apple is ALAC. Although it is not as efficient as FLAC (its files occupy more), ALAC owns Apple, and is the only alternative that can be used in iTunes, since the platform does not read FLAC.

In short, the best format to use is always FLAC if you can afford its large size, followed by AAC and OGG. If you have no choice, MP3, although it is the least desirable option, is the most widespread today, and what you will be forced to use for a lot of music on the network.

Do you differentiate between an mp3 encoded at 128 and one at 320 kbp?

Surely more than once you starred in or attended a dispute between people who say that you notice a lot of difference between an MP3 encoded with one or another level of compression, or between a CD and an MP3. However, there are very few people able to distinguish these nuances. That’s why at mp3ornot.com we propose this challenge:

Are you able to differentiate between an mp3 encoded at 128 kbps from another at 320 kbps? If you think you have your ear developed enough to capture that difference, I challenge you to take the test … and then tell me.

Data:

The Mp3 (MPEG-1/2 Audio Layer 3) was one of the first types of audio compression with almost imperceptible losses to the human ear. Its compression rate is measured in kbps (kilobits per second), with 128 kbps being the standard quality, in which the file size reduction is about 90%, that is, a ratio of 10: 1. That compression rate can currently reach up to 320 kbps, the maximum quality, in which the file size reduction is about 25%, that is, a ratio of 4: 1, going before 192 kbps, 256 kbps, that is, the maximum quality that can be removed in Mp3.

The lossy compression method used in the compression of the Mp3 consists in removing from the audio everything that the human ear would normally not be able to perceive, due to phenomena of masking sounds and limitations of human hearing (although people with absolute hearing can perceive such losses).

How to compress an MP3 file

Knowing that the MP3 audio format has become the most standardized and used worldwide in recent years, we have thought it pertinent to talk about the different parameters that make an MP3 file respond to one quality or another.

The first thing we have to know is the meaning of MP3, and it is nothing more than a compressed digital audio format that although by nature suffers a loss of information in the conversion process, it is not audible by the human ear, which It implies an assumable loss since we will not be able to perceive it in broad strokes.

Generally, an MP3 file is capable of reducing the size of an original audio file without altering quality. What this means is that in the conversion process for example of an audio file with CD quality, the result of the MP3 file would be practically identical to the original, leaving as standard ratio 1 minute = 1 MB.

That said, we can begin to clarify some parameters that will determine the quality of an MP3 file, which in its vast majority, depends on the bitrate or Bitrate.

Impact of Bitrate in MP3 quality
The MP3 file format allows you to select the compression ratio of the source file. The margins at the domestic level are between 8 Kbps and 340 Kbps, with 128 Kbps being the transfer rate equivalent to CD quality.

Bitrate is the unit of measure for the rate of data transfer read from an MP3 file. The higher bitrate an MP3 file has, the greater the amount of data that a player can obtain in the unit of time (Second).

The more instrumental content or quality an MP3 audio file contains (sound effects, recorded audio tracks, high frequencies, low frequencies, etc.), the higher the transfer rate it will require to fully reproduce the information, and at this point, it is where it is defined The quality of the MP3 file, since if we compress that file, we reduce that bandwidth, we will be sacrificing some of that data, resulting in loss of information that will influence the final result of the MP3 conversion.

In summary:

If the file lasts 5 minutes and weighs 3 MB, we would be talking about a low quality MP3 file.

If the file lasts 5 minutes and weighs 9 MB, we would be talking about a high quality MP3 file.

High resolution audio: myths and realities

High resolution sound is in vogue. A good part of the manufacturers of music equipment, and more and more record labels, especially those that sell over the Internet, seem determined to convince us that high-resolution audio is what all of us who love music should aspire to if We want to enjoy it with the highest possible quality.

On paper there are technical foundations that justify the existence of high resolution audio and indicate that its quality should be higher than that offered by the CD. But there are also solid reasons that invite us not to take their superiority for granted, at least not in such a clear way, and to question some of the virtues that the industry sells us. Let’s see what high resolution sound is, what we need to enjoy it, and, above all, if it really offers us a better experience than music with standard quality (that of the CD).

What is high resolution sound?

To understand in a simple way what high resolution sound offers us, it is good to review how music is stored on CDs that we all know. These discs, unlike vinyl, allow us to store information in the digital domain, while vinyl discs are analog. This means that the music on a CD is encoded in the form of ones and zeros, in exactly the same way as the information we have on the hard drive of our computer, which is also digital.

The sound of your smartphone may resemble that of cinema thanks to neuroscience: this is how Dolby has integrated Atmos audio into it
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The sound of your smartphone may resemble that of cinema thanks to neuroscience: this is how Dolby has integrated Atmos audio into it
But a CD does not have an infinite capacity; in fact, the size of the tiny notches that we see on its surface if we look at it with a microscope and the distance that separates each one from the adjacent ones reveals how much information it is capable of holding. Precisely, in a simplified way, this is what differentiates the CD, the DVD and the Blu-ray Disc: the size of the small holes that encode the information and the distance that separates them. If we compare two discs with the same diameter, the one with these smaller notches and more together will have more capacity. This parameter is precisely what determines the wavelength of the laser that we must use to extract the information.

Formats

The technology of the CD format was developed at the end of the 70s by Philips and Sony, and it was the engineers of the latter company who proposed to encode the information using a resolution of 16 bits and a sampling frequency of 44.1 kHz. But these figures were not chosen at random; These specifications allow this format to reproduce the sounds that are in the frequency range that goes from 20 Hz to 20 kHz, which coincides quite accurately with the frequency limit that the human auditory system is able to perceive, even bearing in mind that Not all people have the same hearing ability.

The CD uses a sampling of 44.1 kHz to, according to the Nyquist-Shannon theorem, be able to reproduce frequencies up to 20 kHz
To understand what is the resolution and the sampling frequency without going into too cumbersome details we can think that to be able to store an analog signal, and, therefore, continuous, in a digital medium, which has a limited capacity, it is essential « Chop up that continuous signal into small fragments, or samples, and introduce as many as fit into the digital medium. The resolution indicates the number of bits that we can use to describe each of these samples, which, in turn, reveals the number of variations or possibilities that each of them can adopt. And the sampling frequency tells us how many we are going to be able to take.

(Part 1)

Mp4Gain is the Mp3Gain of this century ?

Mp4Gain is really something different , it works in a lot of audio and video formats . His internal algorithm has no relation with ReaplayGain , but has the option to apply ReplayGain if the person so desires .

But in reality its operation is very different, it is based on a post-2010 paradigm.
With hardware devices and software players we have today , with a previously unimaginable power , it was necessary to approach from another angle the process of normalizing audio , whether a song or a video.

In fact , adding the posibilidd to normalize audio from videos is a leap into the future . You stay ahead on how much to possibilities and options .

Today many people no longer collects mp3s, but uses the mp4 format for collecting favorite songs . Because it is able to play on a cell phone , a portable device in a tablet , a laptop, a desktop PC … then people have hechado hand mp4 to collect music or other kinds of videos.

The possibility of having storage media with capacities of terrabite very cheap indeed allow people to store thousands of music videos, with the classic problems of volume : each video sounds with different volume and one would like all sounded a loudness similar or homogeneous .

Mp4Gain can be used either to normalize mp3s, up to normalize all kinds of videos (the most popular formats like AVI, WMV, FLV, MP4, 3GP, etc.).
This goes hand in hand with other functions, like being able to apply EQ or modificr the tempo without affecting the pitch and vice versa.

That is, one can change the pitch of the video and the speed remains the same as the original, or you can change the BPM (Beats per minute) without changing pitch.

We could say that the Mp4Gain, is a real luxury, brought from the future, to be used today.

These are the formats that the software supports:

Video Formats:
mp4, flv, avi
mpeg, mpg
3gp, wmv.

Audio Formats:
mp3, mp2, flac
ogg, m4a, aac
wav, ac3.
That is talking about a:

mp3 normalizer, normalizer mp2, flac normalizer, normalizer ogg, m4a normalizer, normalizer aac, wav normalizer, normalizer ac3, mp4 normalizer, normalizer flv, avi normalizer, normalizer mpeg, mpg normalizer, normalizer 3gp, wmv normalizer.

mp3 volume booster, mp2 volume booster, flac volume booster, ogg volume booster, m4a volume booster, aac volume booster, wav volume booster, ac3 volume booster, mp4 volume booster, flv volume booster, avi volume booster, mpeg volume booster, mpg volume booster, 3gp volume booster, wmv volume booster.

Mp4Gain 2017 is the new version, very powerfull at the same price !

We have now released Mp4Gain 2017 at the same price as the previous version. In addition, if you buy Mp4Gain 2017 you receive FOR A SINGLE PAYMENT OF $ 40 USD BOTH PROGRAMS, the “standard” version and the 2017 version.
Mp4Gain is definitely the alternative for the mp3gain for this 2017.

Mp3Gain clipping

Mp4Gain does not produce clipping, like mp3gain clipping, because the new algorithm is much more powerful, modern and effective.

Mp4Gain offers, in addition to the new ultramodern mode of volume normalization, also the ReplayGain (enhanced for 2017) and all other gamma of functions like changing the pitch without modifying the tempo and vice versa.

Change BPM (Change tempo without affecting pitch)

This function is so powerful that it allows to achieve amazing changes. Also the possibility to equalize the songs, as well as convert between audio and video formats.

Mp4Gain , the future is now

Years ago, when we listened to our LongPlay vinyl records, sitting almost religiously watching the covers and interiors of our records we never imagined that one day we could have so many songs in our computer.
Nor do we imagine that we would be able to transfer to a digital format , much less , we imagine that this step of the analog to digital was going to cause a headache .

The headache is easy aber today and where it originated : was the encoder we use to make our music was not the same one used by others. Everyone use different encoders WAV to MP3 and also , I use different settings . Ie with a different bitrate and samplerate different , which originated in chaos. No sound the same , did not have the same volume level and therefore we had to manually move the volume knob reprouctor our digital music with each new song.

Indeed, even today we continue on the same problem . We continue with our music convirtindo essentially different encoders with different settings , we therefore we making the problem worse , the volume levels of our music does not match at all and THAT makes us suffer.

Well, we have briefly discussed the problem, now we need to note the solution.
Sure , we could save text and simply point out that the solution is Mp4Gain .
But explain not only what it does, which is basically equal the volume of our digital music and our videos ( in the most popular formats), but to explain why it works so well.

And it works so well, so efficiently, that analyzes and optimizes each of the millions of frames that make up a digital file. No measures the overall volume of a song or video, but does so in each of the millions of frames of this song or video and makes every frame obtained, at each frequency , the best possible level of volume.

By this sounds each instrument and each voice is like to be treated individually . Even after normalize the file , are more notorious instruments that went unnoticed.

All estoocurre thanks to modern mathematical algorithms, mathematical curves and dynamic , which can process, separate , distinguish and optimize digital audio as only Mp4Gain can.

You can download and try it on your Mp4Gain computaora with its own file, then decide adquirilo for a very low price when compared to the thousands of dollars they cost compressors, limiters, exciters and other equipment that achieve similar results in large recording studios , FM transmitters and television broadcasters.

Mp4Gain is the next generation of Mp3Gain?

Well, you could say something similar. Mp4Gain really represents a leap, a huge leap into the future, it is able to normalize audio from multiple audio and video alike. Mp3Gain something big was in his time, as it is now reaching Mp4Gin where nobody thought he reached podi and besides, it does in a way that was previously unimaginable. We are the developers of Mp3Gain PRO and we have exceeded that level by offering this new product: Mp4Gain. New, first by offering the possibility, never before seen, to normalize the volume level of both the audio from videos as different formats of music, we would say that the most popular, such as mp3, flac, ogg, m4a, etc.. But also in the new system it uses to normalize audio with results never before achieved.

Mp4Gin achieves results that are entirely to a new level, in line with the new technology that is much more faithful and you need much higher quality. So we have added as the final elements Equalization and the ability to change the tempo without affecting the pitch and vice versa.

On one hand, it is perfectly useful for Mp4Gain normalize the volume level of audio video in most popular formats. The other is able to normalize the volume and gain on audio files in popular formats that is all in one application.

The normalization is not based on peaks, but follows a completely new, according to the time and the high quality of existing players for today, both in software and in hardeware paradigm, all very 2013 to 2014.

Mp4Gain works on Windows, from XP to Windows 8 without problems.
Also you can download and try the upgrade and once you buy it, the username and password for abriri the program, so do not run for a trial period but without time constraints insert. It is what is known as trialware or shareware.

Normalizing sound from your videos!

Normalizing sound from your videos

!
A bit of time back I understand the opportunity of normalizing the audio audio tracks. This helps to ensure that all seem in the very same degree. Soon after it is now possible to normalize other music formats as OGG, Flac, AAC, AC3 and MP3 and so on..

Normalizes mp3 from the video clips

Finally we now offer the ability to normalize the audio of the major video formats.

Also you should use the adio Mp4Gain to normalize your music or some other music formats (flac, ogg, m4a and aac and so on) but also you can very easily at some point improve or normalize the sound from your video tutorials.

Mp4Gain deals with this formats:

Mp3: FLAC, MP2, OGG, AAC, MP3, WAV and AC3 M4a

Video: AVI, MP4, MPG, 3GP, FLV and MPEG WMV

Obtain the test edition

And how to normalize is very simple, only need to push a control button and go. Your videos could have a typical mp3, sounding very clear, higher volume, and amplified sound greater. You may even equalize! As a result you can, merely, increasing the level of their video lessons and have all seem with the identical quantity. Obtain the demo model and see on your own how straightforward it can be to phone or increase the amount of their videos (also in his audio) and quer great is definitely the sound quality.

Characteristics:

EQUALIZE

Mp4Gain enables you to equalize any seem or video

involving the taken care of formats, this with the purpose that one could give that particular contact or maybe might need some far better total audio quality. For instance, in aged tracks or video lessons is useful to offer them a bit of treble. In videos with surround seem, reduced midtones assist explain the sound, etc..

Modify PITCH

Mp4Gain enables you to modify the pitch

of video clip or music submit without the need of having an effect on play-back pace or beats a minute. You puedee down or up from halftone online video or song to more than an octave. This without having diminishing rate.

Alter TEMPO

Mp4Gain enables you to alter the tempo,

ie the pace of the video or music, without one impacting the pitch or color in the video clip or tune. With the same tone, although this will make it sound faster or slower.

REPLAY Obtain

Mp4Gain has included the ReplayGain (optionally available).

Not too long ago the trouble even out quantity was approached from your viewpoint innovative. As opposed to modifying the sign amplitude were required to change the productivity level of every single indicate properly. Automatically and over a measurement made on all signs to play, although that is, what we do manually with the volume control. This process does not affect the audio signal, but adds information to the file so that the player knows which must reproduce the audio volume. This approach could be put into or Mp4Gain performing normalization may be deselected, the taste for each.

TRIM

Mp4Gain gives the solution to apply Toned (optional)

that is certainly to get rid of the initial and final sound of any track.

Tag

Mp4Gain version the tags consist of your data files

significant music formats, including Ogg Vorbis, APE, ID3 ID3 V1 and V2, and so forth..