What are Flac files?


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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.

mp3 vs flac

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.

best audio format
lossless

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.


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What is the FLAC format?

The FLAC format is an audio file format whose name is the acronym for Free Lossless Audio Codec and has been developed by the Xiph.org Foundation. This audio format compresses the files to decrease their size without losing quality. An important point of the FLAC format is that it is free, open source and royalty-free.

Flac

What is the FLAC audio format

All the features mentioned above are those that have made FLAC a very widespread format that has gained a place in the market and today we find a multitude of portable players or media players that support this format.
At the same time, we find more and more FLAC extension files on P2P file sharing websites, communities and there are even artists who choose to market their music in this format.
Quite often we find a new file format or a file extension that we did not know, this forces us to keep our knowledge updated and this is what we intend in this article where we will explain what the FLAC format is and its characteristics.

What is the FLAC format?

We can easily define the FLAC format as a lossless audio format that allows us to compress our music. To fully understand this definition we must understand some concepts such as bitrate, loss and lossless compression, concepts that we will explain below.
What is bitrate?
When we talk about bitrate we refer to the amount of bits that are processed in a unit of time, in the audio formats Kilobits per second (Kbps) are generally used. The higher the bit rates per second, the more space the file will need to be stored, but it has the advantage that it will retain better quality so that we will achieve a more faithful result to the original.
Bitrate is a very important aspect in the MP3 audio format, since the final quality of the music depends on it. With bitrates above 192 Kbps you can usually get a really good audio quality and more than enough to store our music on portable devices. The disadvantage of the MP3 format is that it is a compression format with losses even if we use high bitrates, so we will never get the original sound and this is where the importance of FLAC comes in.

Flac vs Mp3

Differences between FLAC and MP3, which format is better?

Before answering the previous question, we must explain what the loss and lossless compression consists of. Using audio compression formats such as MP3 produces a loss of quality, which is what is called a lossy format. On the opposite side we have the lossless formats, which are called as loseless formats and this is where we fit the FLAC format.
Having the above concepts clear, we cannot say that one format is better than the other, but it will depend on what we are looking for and we must choose one format or another depending on our needs.

When to use the FLAC format and when to use the MP3 format?

FLAC is a format that is not focused on portability, but on the conservation of music. This is because it maintains the original audio and its size is larger than that of an MP3. If your intention is to store and keep your music albums in digital format, the FLAC format is the best option.
MP3 files offer enough quality to play music on portable devices, while maintaining a small file size, these features make it a perfect format to take our favorite songs to the beach or gym and listen to them from a smartphone or Portable player.

Something to keep in mind, is that we should not convert MP3 to another format with losses (ACC, OGG, WMA, etc …) since in each conversion the quality will be reduced more and more. On the other hand, if we have the FLAC files, it will be like having an original copy of the audio, so we can convert FLAC to MP3 or other format while maintaining high quality.

It is also true that to perceive the difference in quality between a high quality MP3 file (320 Kbps) and a FLAC file, a prodigious ear is needed or to use computer tools. We could say that most human ears will not be able to find quality differences.

Characteristics of the FLAC format?

In addition to all the features already exposed, this format offers us:

Support to add album covers.
Support to add metadata (album name, artist, genre, ect).
It is a format with great support from the community and that we can play on almost any operating system or hardware device, including portable players, Raspberry Pi (Kodi), media players, etc.

It is a multiplatform format and we find free and free tools that allow us to convert our music to FLAC and even convert from FLAC to MP3 or other formats.
FLAC files usually have the extension .FLAC, although we can find them with the extension .FLA.
While there are alternatives to FLAC with similar features such as Monkey’s Audio (extension .APE) or WavPack (extension .WV), if we are realistic, FLAC is the most widespread.