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FLAC is short for Free Lossless Audio Codec, FLAC is a well-known free audio compression encoding, which is characterized by lossless compression. Unlike other lossy compression encoding such as MP3 and AAC, it does not destroy any existing audio information, so you can restore music CD sound quality. Now it has been compatible with a lot of software and hardware audio products.

File Format Description

Similar to MP3, FLAC is also an audio compression encoding, but FLAC is lossless compression, meaning that audio is compressed with FLAC encoding does not lose any information. When restore FLAC files to WAV files, the latter is the same to the uncompressed WAV files. This compression is similar to ZIP, but the FLAC compression ratio is larger than ZIP and RAR, because FLAC is specifically designed for the characteristics of PCM audio compression method. And you can use the player directly play FLAC compressed files, as is usually the same as playing your MP3 files (now there are many automotive players and home audio equipment support FLAC, in the FLAC website you can find links to these equipment manufacturers).

FLAC is free and supported by most operating systems, including Windows, Unix Like based kernel (Linux, BSD, Solaris, IRIX, AIX , etc.) systems, BeOS, OS / 2, Amiga. And FLAC provides developer tools such as autotools, MSVC, Watcom C, Project Builder on the build system . Now the major sites have FLAC music downloads, publishers usually buy the CD then directly to convert . cda files to .flac to ensure that the disc 's original lossless quality.


Lossless Compression: The encoded audio (PCM) data does not lose any information, the decoder output audio just as the audio input to the encoder in each byte.

Hardware support: Since FLAC provides a free decoding sample, and the decoding complexity is low, FLAC is currently the only one lossless compression that gains a wide range of good hardware support.

Positionable: FLAC supports rapid sampling for precise positioning. This is not only beneficial for the player, but also makes FLAC files easy to edit.

Deal for archiving: FLAC is an open encoding format without any data loss, you can convert it to any other format you need.

Anti-damage: Thanks to the frame structure in FLAC, in the event of damage happens to the data flow, losses will be limited by the within the damaged data frame, only losing a very short clip.

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