FLAC

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'''FLAC''' is a Free Lossless Audio Codec. It can encode audio with a PCM bit resolution up to 32 bits per sample and sampling rates up to 640 kHz. FLAC-encoded audio is usually found either in a native container (which has the extension <code>.flac</code>), or in an [[Ogg]] container (when it's known as OggFLAC).
 
'''FLAC''' is a Free Lossless Audio Codec. It can encode audio with a PCM bit resolution up to 32 bits per sample and sampling rates up to 640 kHz. FLAC-encoded audio is usually found either in a native container (which has the extension <code>.flac</code>), or in an [[Ogg]] container (when it's known as OggFLAC).

Latest revision as of 00:52, 23 October 2020

File Format
Name FLAC
Ontology
Extension(s) .flac
MIME Type(s) audio/x-flac,audio/flac
PRONOM fmt/279
Wikidata ID Q27881556

FLAC is a Free Lossless Audio Codec. It can encode audio with a PCM bit resolution up to 32 bits per sample and sampling rates up to 640 kHz. FLAC-encoded audio is usually found either in a native container (which has the extension .flac), or in an Ogg container (when it's known as OggFLAC).

The format is open and royalty-free. The reference implementation is cross-platform and dual-licensed, command-line utilities (e.g. encoder, decoder and metadata editor) use GNU GPL and code libraries use BSD.

FLAC is suitable for archiving for many reasons:

  • open format
  • support for metadata tagging
  • lossless (no generation loss if you need to convert to another format)
  • disk size effective (audio is typically reduced to 50-60% of original size)
  • data integrity
  • error resistant (bit faults are contained within a frame, typically a fraction of a second)

Contents

[edit] Identification

When FLAC is used as a file format, it begins with the ASCII signature "fLaC".

In rare cases, this signature may appear following an ID3v2 segment; see ID3#Identification.

[edit] Playback

[edit] Hardware

Many home stereo and portable hardware music players support the FLAC format. See the FLAC links page for an up-to-date list.

[edit] Software

A number of popular audio players support the FLAC format, including:

FLAC is also natively supported by Mozilla's Firefox browser, starting from Firefox 51. For more software products which support FLAC, see the FLAC links page

[edit] Specifications

[edit] Sample files

[edit] Links

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