Is FLAC Better Than MP3?

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Is FLAC Better Than MP3?

“Music is the divine way to tell beautiful, poetic things to the heart.” – Pablo Casals

Music lovers always aim for the highest quality of sound in their listening experience. As digital music becomes more popular, the debate between the FLAC and MP3 formats continues to intensify. While MP3 is the most widely used format for digital music, FLAC has gained a reputation for its superior sound quality. Let’s explore the pros and cons of each format to determine if FLAC is truly better than MP3.

“What is the difference between FLAC and MP3?”

To understand the difference between FLAC and MP3, it’s important to know how they work. MP3 uses lossy compression to reduce the file size by discarding some of the audio data. This results in a smaller file size but also means that some of the audio information is lost. On the other hand, FLAC uses lossless compression, which reduces the file size without losing any audio data. This means that the sound quality of FLAC is higher than MP3, but the file sizes are larger.

“Is FLAC worth the extra storage space?”

The answer to this question depends on the individual’s preference for sound quality and available storage space. FLAC files are typically three to four times larger than MP3 files. While this means that FLAC files take up more storage space, the tradeoff is higher sound quality. If you’re an audiophile who values sound quality over storage space, FLAC is definitely worth the extra storage space. However, if you have limited storage space or don’t mind sacrificing some sound quality for smaller file sizes, MP3 may be the better choice.

In conclusion, the answer to whether FLAC is better than MP3 depends on the individual’s priorities. While FLAC does offer superior sound quality, it also requires more storage space. MP3, on the other hand, sacrifices some sound quality for smaller file sizes. As music lovers, we all want to enjoy the highest quality of sound, so the choice between FLAC and MP3 ultimately comes down to personal preference.

“Without music, life would be a mistake.” – Friedrich Nietzsche

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Why FLAC is the Best Format for Audiophiles

FLAC the best format

Introduction

As technology continues to advance, so too does the way in which we consume media. For music lovers, this means access to high-quality audio formats that deliver a listening experience unlike any other. In recent years, FLAC has emerged as the go-to format for audiophiles who demand the best possible sound quality. In this article, we’ll explore the history and characteristics of the lossless audio format FLAC, and explain why it’s the best choice for audiophiles.

What is FLAC?

FLAC stands for Free Lossless Audio Codec, and as the name suggests, it’s a type of audio compression that doesn’t lose any data during the encoding process. This is in contrast to lossy audio formats like MP3, which use compression algorithms that discard some of the audio data in order to reduce the file size. FLAC files are typically about half the size of the original uncompressed audio file, but retain all of the audio data.

History of FLAC

FLAC was first introduced in 2000 by Josh Coalson, who was looking for a way to compress audio without losing any of the data. It quickly gained popularity among audiophiles who were tired of the limitations of lossy audio formats like MP3. Today, FLAC is widely used by music enthusiasts and professionals alike, and is supported by a wide range of software and hardware.

How FLAC Works

FLAC uses a process called linear prediction to compress audio data without losing any of the information. Essentially, this means that FLAC predicts what the next sample in the audio stream will be based on the previous samples, and then encodes the difference between the prediction and the actual sample. This allows FLAC to achieve a compression ratio of around 50%, while retaining all of the original audio data.

FLAC vs. Other Audio Formats

One of the key advantages of FLAC over other lossless audio formats is its wide compatibility. FLAC is supported by a wide range of software and hardware, including media players, smartphones, and streaming services. This makes it a convenient choice for audiophiles who want to listen to high-quality music on the go.

Another advantage of FLAC is its ability to support high-resolution audio. FLAC files can be encoded with a higher frequency of sampling, higher bit depth, and higher channel count than other lossless audio formats. This means that FLAC can reproduce the full range of sounds that were present in the original recording, even at very high volumes.

Technical Aspects of FLAC

FLAC supports a range of technical specifications that affect the quality of the audio. These include:

Sampling Frequency

Sampling frequency refers to the number of samples of audio taken per second, and is measured in Hertz (Hz). The higher the sampling frequency, the more accurate the audio reproduction. FLAC supports sampling frequencies up to 655,350 Hz, which is more than enough to capture even the most subtle nuances of the music.

Bit Depth

Bit depth refers to the number of bits used to represent each sample in the audio stream. The higher the bit depth, the more accurate the representation of the audio waveform. FLAC supports bit depths up to 32 bits, which allows for a high level of detail in the audio reproduction.

Channel Count

Channel count refers to the number of independent audio channels in the audio stream. FLAC supports up to 8 channels, which allows for a rich and immersive listening experience.

Audio Processing in FLAC

In addition to the technical aspects of FLAC, there are also a number of audio processing features that can affect the quality of the audio. These include:

Equalization

Equalization refers to the

conitnua donde te quedaste que fue en Equalization Equalization refers to the

adjustment of frequency response of an audio signal. In other words, it is the process of changing the balance between frequency components within an audio signal. Equalization can be used to enhance the overall sound quality of an audio file, making it more pleasing to the listener’s ear.

When it comes to FLAC, equalization can be used to enhance the sound quality of an audio file without compromising its lossless quality. This is because FLAC is capable of storing metadata about the file’s equalization, which can be used by software and hardware players to reproduce the file with the intended frequency balance.

Additionally, FLAC supports a wide range of equalization options, including graphic equalization, parametric equalization, and shelving filters. Each of these options allows users to fine-tune the frequency balance of the audio signal to their liking.

It is important to note, however, that equalization can also have a negative impact on the quality of an audio file if not used correctly. Overuse of equalization can result in distortion or a loss of detail in the audio signal. As such, it is important to use equalization in moderation and with a trained ear.

ReplayGain

ReplayGain is a technique used to normalize the volume of audio files. It is particularly useful when listening to a collection of audio files with varying loudness levels, as it ensures that each file is played at a consistent volume.

There are two types of ReplayGain: track gain and album gain. Track gain normalizes the volume of an individual audio file, while album gain normalizes the volume of an entire album. ReplayGain works by analyzing the volume of an audio file and applying gain adjustments to achieve a desired playback level.

FLAC supports ReplayGain metadata, which can be used by software and hardware players to automatically adjust the volume of audio files during playback. This means that users can listen to their FLAC collection without having to constantly adjust the volume between tracks.

Recommended Hardware

It is worth noting, however, that not all hardware and software players are created equal when it comes to FLAC playback. Some players may not support certain FLAC features, such as ReplayGain or equalization metadata, which can result in a loss of quality or functionality. As such, it is important to research and choose a player that supports all the features you require for optimal FLAC playback.

Obtaining FLAC Files

One of the main challenges with FLAC is obtaining audio files in this format. While FLAC is becoming more popular, it is still not as widely used as other formats such as MP3 or AAC.

There are a variety of sources for obtaining FLAC files, including music streaming services, online music stores, and community-driven FLAC repositories. When obtaining FLAC files, it is important to ensure that the files are encoded properly and are of high quality to ensure optimal playback.

Conclusion

In conclusion, FLAC is the best option for audiophiles who want the highest quality audio possible. Its lossless compression, support for high-resolution audio, and ability to store metadata about equalization and ReplayGain make it the ideal format for those who are serious about audio quality.

When using FLAC, it is important to understand the technical aspects of the format, including compression settings, frequency of sampling, and bit depth, to ensure optimal playback quality. Additionally, proper use of equalization and ReplayGain can further enhance the sound quality of FLAC files.

Finally, choosing the right software and hardware for playing FLAC files can make a big difference in the audio quality. Many media players, both hardware and software, support FLAC, but not all of them are created equal. Some may not have the necessary processing power or DAC to handle high-quality FLAC files, while others may not support all of the features of the format.

When it comes to hardware, audiophiles may want to consider investing in a high-quality DAC (digital-to-analog converter) to achieve the best possible audio quality. Some DACs even come with built-in support for FLAC playback and can be connected to a computer or mobile device to play FLAC files.

In conclusion, FLAC is the best audio format for audiophiles due to its lossless compression, high resolution, and support for advanced audio features like equalization and replay gain. While the files may be larger than other formats like MP3, the improved audio quality is worth it for those who value a pristine listening experience. By using the right software and hardware, listeners can enjoy the full benefits of the FLAC format and immerse themselves in their favorite music like never before.

How does lossless compression work for audio?

Lossless audio compression is a crucial technology for digital music distribution and storage. With the rise of streaming services, high-fidelity audio has become a priority for many listeners. However, uncompressed audio files can be quite large, making them impractical for mobile devices and slower internet connections. This is where lossless compression comes in.

Why is lossless audio compression important?

Lossless compression allows digital audio files to be compressed without losing any of the original data. This means that the sound quality is preserved, while the file size is reduced. With lossless compression, music files can be stored and transmitted more efficiently, without sacrificing quality. In addition, lossless compression makes it possible to enjoy high-fidelity audio on devices with limited storage capacity.

How does lossless compression work?

Lossless compression works by identifying and removing redundancies in the data. This is done through a process called entropy encoding, which analyzes the statistical properties of the audio data to find patterns that can be represented more efficiently. These patterns are then replaced with shorter codes, which are stored in a compressed file. When the file is decompressed, the original data is restored exactly as it was before compression.

Common lossless compression formats

FLAC: Free Lossless Audio Codec
ALAC: Apple Lossless Audio Codec
WAV: Waveform Audio File Format
AIFF: Audio Interchange File Format

How to use lossless compression

To use lossless compression for your audio files, you’ll need to choose a suitable codec and software. There are many options available, but some of the most popular choices include FLAC and ALAC. Once you’ve selected a codec, you can use a program like Foobar2000 or dBpoweramp to compress your files. You can also use lossless compression for streaming, by selecting a service that supports lossless audio, such as Tidal or Qobuz.

Lossless compression is an essential tool for anyone who wants to enjoy high-quality audio in a digital format. With lossless compression, you can store and transmit audio files more efficiently, without sacrificing fidelity. Whether you’re an audiophile or a casual listener, lossless compression is an important technology to be aware of.

The History of Lossless Audio Compression: From Analog to Digital

Lossless audio compression has come a long way since the early days of digital audio. In this article, we’ll take a deep dive into the history of lossless audio compression, from its roots in analog tape to the latest developments in digital audio.

Analog Roots

The history of lossless audio compression can be traced back to the days of analog tape. Tape-based audio recording was the dominant technology for several decades, and various techniques were developed to compress audio data without sacrificing quality. One of the most popular techniques was noise reduction, which involved boosting the level of low-level audio signals while reducing the level of high-level signals. This allowed audio to be recorded at a higher signal-to-noise ratio, resulting in a cleaner, clearer sound.

The Digital Revolution

The introduction of digital audio in the 1980s marked a major turning point in the history of lossless audio compression. With digital audio, it became possible to represent audio data as a series of numbers, which could be manipulated and compressed using a wide range of mathematical algorithms. One of the earliest lossless compression algorithms was the Audio Processing Technology (APT) algorithm, which was developed in the early 1990s. APT used a combination of linear prediction and residual coding to compress audio data without losing any information.

The Rise of Lossless Audio Formats

In the early days of digital audio, lossy compression formats like MP3 and AAC dominated the market. These formats achieved high levels of compression by discarding some of the original audio data, resulting in a loss of quality. However, as storage capacity and internet speeds increased, there was a growing demand for high-fidelity audio that could be stored and transmitted efficiently. This led to the development of lossless audio formats like FLAC and ALAC, which could compress audio data without sacrificing quality.

FLAC: Free Lossless Audio Codec
ALAC: Apple Lossless Audio Codec

The Future of Lossless Audio Compression

The latest developments in lossless audio compression are focused on improving the efficiency and speed of compression algorithms. One promising approach is the use of machine learning, which can be used to identify patterns in audio data that can be compressed more effectively. Another area of focus is the development of lossless compression formats that are optimized for streaming, allowing high-fidelity audio to be delivered over the internet in real time.

Audio files, which is better?

Audio file formats

There are various types of audio files on the market today, and even though we are all familiar with MP3, what about AAC, FLAC, OGG or WMA?

Audio file formats

Audio File Format: AIFF

AIFF stands for Audio Interchange File Format. Just like Microsoft and IBM developed WAV for Windows, AIFF is an audio file format developed by Apple in 1988 for Mac systems.

Like WAV files, AIFF files can contain a variety of audio formats. For example, GarageBand and Logic Audio use a compressed version called AIFF-C and another called Apple Loops. They all use the same AIFF extension.

Most AIFF files contain uncompressed audio in the PCM format. AIFF files are simply wrappers around the PCM encoding to make them more suitable for use on Mac systems. However, Windows systems can usually open AIFF files without any problems.

Lossy Compressed Audio Format
Lossy compression is when some data is lost during the compression process, compression is important because uncompressed audio can take up a lot of disk space.

In other words, lossy compression means sacrificing sound quality and audio fidelity for smaller file sizes. Done wrong, you’ll hear artifacts and other strange sounds in the audio. But when done right, you won’t notice the difference.

Audio File Format: MP3

MP3 stands for MPEG-1 Audio Layer 3. Released in 1993, it exploded in popularity and eventually became the most popular audio format for music files in the world. There’s a reason we have “MP3 players” instead of “OGG players”!

MP3 has three main purposes:

1. Delete all sound data that exists outside the hearing range of normal people.
2. Reduce the quality of sounds that are not easily heard.
3. Compress all other audio data as efficiently as possible.

FLAC audio format

Lossless compression: Encoded audio data (PCM) is lossless, and the decoded output audio is the same as each byte of the encoder input.

Each data frame has a 16-bit CRC check code of the current frame, which is used to control data transmission errors. For the entire piece of audio data, there is also an MD5 mark for the original uncompressed audio data in the file header, which is used to verify the data during decoding and testing. When the computer plays WAV files, it sends the PCM data in the WAV files directly to the sound card, whereas when the computer plays FLAC, it must first decode FLAC into PCM data and then send it to the sound card. It is an additional decryption link, like decompressing a RAR file. Your PCM data is no different from WAV before compression.
Fast: FLAC pays more attention to decoding speed. Decoding requires only integer operations and requires very little computational speed compared to most encoding methods. Real-time decoding can be easily implemented on very common hardware.
Hardware support: Since FLAC provides free decoding examples and decoding complexity is low, as of 2012 FLAC is the only lossless compression encoding that has received wide and good hardware support.
It can be used to stream media: each FLAC data frame contains all the information needed for decoding. The current frame is decoded without reference to previous or subsequent data frames. FLAC uses a synchronization code and CRC (similar to encoding formats such as MPEG), so the decoder can experience minimal time delay when jumping in the data stream.
Positionable: FLAC supports fast sampling and precise positioning. This is not only good for playback, but also makes FLAC files easy to edit.
Flexible metadata: New types of metadata data blocks can be defined and implemented without affecting the use of legacy decoders and data streams. Existing metadata types include tags, reference tables, and positioning tables. Registered applications can define their own dedicated metadata types (Note: this is similar to standard MIDI).
Ideal for Archival Applications: FLAC is an open encoding format, and without any data loss, you can convert it to any other format you need. In addition to CRC and MD5 marking of each data frame to ensure data integrity, flac (annotation: the command-line encoding tool provided by the FLAC project) also provides a verification (verification) option, when use this option to encode, while encoding will immediately decode the encoded data and compare it with the original input data. Once it finds a difference, it will go out and give an alarm.
Easy to back up CDs: FLAC has a “CUE table” metadata data block to store the CD’s table of contents and index points for all tracks. You can save a CD as a single file and import the CD reference table, so that a FLAC file can fully record all the information of the entire CD, that is, you can embed the CUE file that is usually stored separately. in FLAC in the file. When your original CD is damaged, you can use this file to restore a copy of the CD that is exactly the same as the original.
Anti-corruption: Due to the frame structure of FLAC, once the data stream is damaged, the loss will be limited to the damaged data frame. Usually only a very short snippet will be lost. When many other lossless audio compression formats suffer corruption, a corruption will cause all subsequent data to be lost.

What are Flac files?

For some time now, people have been hearing about Flac files. But what are these ghost files and what are they for? If you read the following, you will have a clearer idea and the basis to delve into the matter.

Music, especially for the needs of broadcasting through the Internet, has been subjected to compressions, sometimes even violent, with specific algorithms, of which the best known and most used is MP3. This compression is capable of dramatically reducing the size of the part and unfortunately also counteracts the quality, while ensuring an acceptable quality reproduction. This sound treatment is called “lossy”, that is, with loss of information compared to the original.

waveform mp3 and flac

The search for the quality of listening shocks with this treatment ensures that you can store large amounts of musical pieces in small spaces, but at the same time makes listening less “exciting” and mortifies the commitment of musicians and sound engineers. So what can we do to have listening quality, easy storage and archiving? just use Flac encoding.

Flac stands for Free Lossless Audio Codec. By reading the definition well, we learn that it is:

Free: means it can be used at zero cost; The specifications of this format are open source, that is, free to use and are not covered by a patent that would impose the payment of royalties to the owner.
Lossless: Compression with this system is free from loss of audio information, therefore it means that the copy is gradually identical to the original and therefore the listening quality is preserved.
Files encoded in this way can be played on a wide variety of platforms, including PCs, home hi-fi systems, portable players (often called DAPs, short for Digital Audio Player), in the car, and more. Currently, DRM is not implemented, that is, there is no copy prevention method. This standard also supports labels that include cover images.

At this point a series of questions arise:

How can I create Flac files?

Files can be created from a software encoder installed on your computer. The best known is Mp4Gain, a program that additionally allows you to normalize the audio volume.

Can I buy Flac files?

Yes, you can buy Flac files online on the web at specific sites. The feature of these sites is that it can provide some artists with high-resolution encodings that can be up to 4 times higher than a CD – virtually the quality of the original Master recording!

How can I play Flac files?

Files can be played with devices that support this encoding: personal computers, hi-fi systems, portable digital players, and car audio sources. You should read the product specifications and make sure they are compatible.

What are the advantages over an MP3 file?

The quality, above all, equal to that of the original CD from which you made the “Audio Recording” to the high resolution similar to the original master of the recording room.

What are my disadvantages compared to MP3?

The file size, clearly larger. The limited diffusion to date of compatible players with the Flac.

Compared to a CD, what are the strengths and weaknesses of Flac files?

The strengths compared to a CD are the consistency of the quality of the file encoded in Flac, the CD is influenced by a series of variables, the state of wear of the reading lens, vibrations, humidity of the environment determine an intervention Systems to correct errors that affect listening quality. The Flac file, once carefully encoded, will always offer the same listening quality after listening as it cannot be influenced by the factors mentioned above. Storing a large number of tracks is very easy: portable HDs are small in size and very easy to transport. The same number of tracks stored on CDs would be difficult to handle, especially in the car. The weak point is undoubtedly the ease of use: CD players are widespread in all environments, home.

What is FLAC?

FLAC which is short for Free Lossless Audio Codec is an audio codec developed by the Xiph Foundation. Nonprofit org. It is a lossless audio format, which means it produces digital audio files (with a .flac file extension) that are identical to the original source.

In fact, many users who want to back up their original audio CDs (ripped CDs) choose to use FLAC to preserve sound instead of using a? Lossy format.

Doing this ensures that if the original source is damaged or lost, then a perfect copy can be reproduced using the pre-encoded FLAC files.

Of all the lossless audio formats available, FLAC is perhaps the most popular in use today. In fact, some HD music services now offer tracks in this format for download.

Nowadays, listening to music in high definition is no longer a luxury and has become almost a requirement. There is nothing like hearing a song as the artist decided it should be heard. Due to this, various technologies have been developed that allow us to enjoy Hi-Fi audio. Among them are some audio formats, such as FLAC.

Before explaining what the FLAC format is, you need to understand a technicality:

What is bitrate

It is the bit rate, that is, the amount of bits or data that is processed in a given unit of time.

In the case of audios, the measurement of kilobits per second is normally used. For example, if you see that the music is in 256 Kbps quality, it is understood that there are 256 kilobits of information stored in every second of the song.

Since bitrate talks about a quantity of data, the higher this indicator, the more space the song file will occupy on the hard disk. For this reason, audio compression standards have been developed that reduce storage space, among which is the popular MP3, which you surely know.

But this format, as well as AAC, WMA, among others, by compressing the files, eliminates data that affects the sound quality, not like the FLAC format.

What is the FLAC format

FLAC, which comes from the acronym Free Lossless Audio Codec, is an audio file format that can compress them up to approximately 50% without losing information, thus maintaining the audio quality faithful to the original file.

So, if you are looking to store and preserve your music files in digital format, this format is definitely the best option. In addition, it is free and its code is free, so any hardware or software can implement it.

The best audio format after doing computer tests. Finally the truth is revealed.

We know that when you read the word “listen to music” automatically you think of the old and reliable mp3. However, there are multiple formats with individual characteristics that you should take into account if you want to change your acoustic experience.

As a general rule, audio files are classified into 2 types: those that retain all the quality and those that, in order to save space, eliminate quality. The mp3 is in the second type of files.

Check the Pros and Cons of the different audio formats.

Formats that conserve Quality:

–FLAC: Free Lossless Audio Codec for its acronym in English. One of the formats that best preserves the audio quality. Its compression algorithm is excellent and does not generate quality losses, it is open source and the file size when compressed is much smaller
-A THE C; or Apple Lossless is similar to FLAC, but the files it generates are quite large. It has iOS support
–APE: the problem with this format is that it is not very compatible with the vast majority of players, but it is similar to the FLAC or -ALAC format in terms of audio quality. Being very compressed makes the computer’s processor work faster so it is not recommended in low power computing equipment
–WAV and AIFF: they are not compression formats, but exact copies of the original content, differing in the way they save the data. Both take too much space on the hard drive.

Formats with loss of audio quality:

–MP3: MPEG Audio Layer III or MP3, is the most common format you can find
–ACC: it is more efficient than MP3, the files are smaller and it is very popular in iTunes
–OGG Vorbis: it is a free and open source alternative to MP3 and ACC, it is not restricted by patents. However, it is not supported by different players.
–WMA: Created by Microsoft to be the direct competition of MP3, practically the same as the others.

And what is the best audio format?

Making a cold and mathematical evaluation, it turned out that the FLAC format is the best. It does not lose quality, compresses enough without sacrificing quality. It plays on many players … however it has failed to return almost “universal2 as the mp3 did.

For people who do not need extreme audio quality, the mp3 may well be your best ocpion, since it is all in mp3.

One advantage is that Mp4Gain can normalize both formats and equalize them, change their pitchs, their tempos, etc.

That is, Mp4Gain allows you to manage all these formats, you will choose according to your needs.

Sound formats and audio normalization

WAV: It is the “pure” sound format, without any compression. Its weight is huge, as is its quality. Only recommended for professional works or to edit the audio before transferring it to a format with compression.
MP3: We’ve talked about him in the previous pages. Without a doubt, it is the most popular and widespread format. His appearance changed the way we listen to music.
OGG: It is the audio format of GNU / Linux, the free software MP3 version. It has all the virtues of MP3 (and more), but not all portable players can use it, but it is getting more and more.
WMA: Microsoft format, your own version of the MP3. It compresses quite well, but it is not as widespread as the MP3. Nor can all portable players use it.
MID: It is the audio format also known as MIDI (Musical Instrument Digital Interface). It is the only format that can not play more than music simply because what it contains inside are not sounds. Simplifying, it contains a series of instructions for special software included in all systems, a kind of digital synthesizer that can generate sounds like those of many musical instruments. The MID has inside what notes they have to sound and with what instruments: a score.

It is important to clarify the distinction between audio format and audio codec. The codec encodes and decodes the audio data while this data is archived in a file that has a specific audio format.

Most of the formats listed below are container formats, formats that group different types of data. Most of these container formats have only one codec associated, next to which metadata is stored. However, there are formats that group audio and video data produced by different codecs. Some of these container formats that group different types of data are: MP4, Ogg, WAV, QuickTime Format, AVI.

In this article we talk about audio formats, but we are really discussing the properties of the codec associated with the format.

When classifying audio formats we can distinguish three large groups.

No data compression: These are real sound waves that have been captured and converted to digital format without further processing. As a result, uncompressed audio files tend to be the most accurate.
With compression, without loss of data: Compression algorithms are used to reduce file sizes; It basically works by eliminating redundancy.
With compression and data loss: It is a form of compression that loses data during the compression process. In the context of audio, that means sacrificing quality and fidelity to decrease file size. The good news is that, in most cases, we will not notice the difference when listening.

Compression

Compression is a process that involves reducing the dynamic range of an audio signal.

An apparatus, called a compressor, analyzes the gain of the input signal and, according to certain parameters set, those parts that exceed a level or threshold determined according to the desired configuration are attenuated.

In principle, compression is perceived a decrease in overall volume; In fact, this is because the compressor reduces the gain of the “peaks”, that is, of the parts that accumulate greater sound energy.

However, several very interesting objectives are achieved:

The resulting sound sounds more balanced and compensated, there is not much difference between the soft and strong parts of the signal
We gain headroom space (the difference between the nominal level and the saturation point) and we can increase the overall volume of the signal a little more without “touching the ceiling” (the peaks were attenuated). As a consequence, the parts that previously sounded with little force will now be heard better.
It will allow to integrate the signal with greater ease and clarity in the general mix.

Standardization

Normalization is an atypical dynamic process, very different from compression, limitation, expansion or noise reduction:

It does not reduce the relative dynamic range of the audio signal.
It is not applied in “real time”, or at the moment, but it is a process that is carried out “a posteriori”, on the previously recorded material.
The process to normalize audio is summarized as follows:

Normalization analyzes the material and detects its highest volume peak. It then increases its gain to the maximum possible without exceeding the reference level (from which distortion would occur).
Taking as reference the same proportion of increase applied in the previous step increases the level of the rest.
The signal, in general, will sound with a greater volume. The maximum volume level that we can reach depends on the limit marked by the highest peak.

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.