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What Is FLAC And ALAC Music?

Any audio file can be considered as a kind of container in which audio signals are packed. In order for them to have a completely ordered and easy-to-read form at the output, it is necessary to use a codec that compresses the audio signal. An audio file is a kind of container into which an audio signal is packed using one or another software codec, so it is quite common to combine the names of the codec and the file recorded with it. Sometimes audio files of one format, compressed with a certain audio codec, are placed inside a file of another format, compressed with a different codec, like a doll. As a result, an audio file can be a rather complex container with a packed audio signal.

An important point is the fact that the audio information is initially encoded in order to reduce the volume of the file (for example, to store it or quickly transfer it to the user#41;, and then the sound is “unfolded” using unique mathematical algorithms, restoring its original fullness of sound. But not all formats are able to return it after encoding.

 What Is FLAC And ALAC Music

The professional sphere is the preservation of the largest possible amount of audio data on physical media.

FLAC and ALAC are considered the most popular music formats today. These are the most demanded HRA codecs from the “lossless data compression” category. They compress audio information (on average 56% of the WAVE size) without loss, preserving the identity of the original. We can say that these are “twin brothers”, only ALAC has an “apple color”.

Minor practical differences between lossless codecs are as follows:

1. FLAC has higher decoding (playback) time and speed;

2. FLAC has full compression settings: slow or strong, fast or weak, and intermediate options;

3. software and hardware support for the FLAC codec (on various devices) is the widest, however, if you are the owner of Apple devices, the ALAC format will be more preferable, since iOS, iTunes and AirTunes, QuickTime only support “their” codec, and FLAC – No;

4. FLAC has an advanced “ReplayGain” audio file processing function that can be used to determine the peak level of the recording and evenly reduce the volume of the entire track;

5. FLAC allows a maximum sampling rate of 350 kHz, ALAC – 384 kHz.

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On this, perhaps, the differences between lossless codecs end, and only the common features of FLAC and ALAC remain:

1. support 8-channel audio;

2. resistance to recording errors;

3. the ability to search within the content of the file, marking the right places in the file and through this – pseudo-breaking one large file into several fragments, for example, songs;

So, the HRA codecs FLAC and ALAC are identical to each other in most of their technical parameters. The choice depends on individual preferences and who and how encoded specific audio tracks – it is this moment that usually affects the quality of the music being played.

4. lack of built-in digital rights management (DRM-copy protection).

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