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FLAC

Index FLAC

FLAC (Free Lossless Audio Codec) is an audio coding format for lossless compression of digital audio, and is also the name of the free software project producing the FLAC tools, the reference software package that includes a codec implementation. [1]

85 relations: Album cover, Algorithm, Android (operating system), Audio bit depth, Audio coding format, Autoconf, Automake, Bandcamp, BeOS, Berkeley Software Distribution, Bit, BlackBerry 10, BSD licenses, CD+G, CD-Text, Codec, Comparison of audio coding formats, Core Audio Format, Cross-platform, Cue sheet (computing), Cyclic redundancy check, DEFLATE, Digital audio, Digital container format, Digital rights management, ECMAScript, Encoder, European Broadcasting Union, Fixed-point arithmetic, Floating-point arithmetic, Foobar2000, Free software, GNU General Public License, Golomb coding, Gzip, Hertz, HTML5, IOS, Jolla, Linear prediction, Linux, Lossless compression, MacOS, MacOS High Sierra, Matroska, MD5, Metadata, Microsoft Visual C++, Microsoft Windows, MP3, ..., Multi-core processor, MusikCube, Object-oriented programming, Ogg, Open format, Operating system, Opus (audio format), OS/2, Pono (digital music service), Pregap, Pulse-code modulation, Reference implementation, ReplayGain, Ripping, Royalty-free, Run-length encoding, Sampling (signal processing), Solaris (operating system), Source code, Speex, Surround sound, Theora, Transcoding, Unix, Unix-like, Vorbis, Vorbis comment, Watcom C/C++, Wikimedia Foundation, Winamp, Windows 10, Xcode, Xiph.Org Foundation, XMMS, Zip (file format). Expand index (35 more) »

Album cover

An album cover is the front of the packaging of a commercially released audio recording product, or album.

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Algorithm

In mathematics and computer science, an algorithm is an unambiguous specification of how to solve a class of problems.

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Android (operating system)

Android is a mobile operating system developed by Google, based on a modified version of the Linux kernel and other open source software and designed primarily for touchscreen mobile devices such as smartphones and tablets.

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Audio bit depth

In digital audio using pulse-code modulation (PCM), bit depth is the number of bits of information in each sample, and it directly corresponds to the resolution of each sample.

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Audio coding format

An audio coding format (or sometimes audio compression format) is a content representation format for storage or transmission of digital audio (such as in digital television, digital radio and in audio and video files).

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Autoconf

GNU Autoconf is a tool for producing configure scripts for building, installing and packaging software on computer systems where a Bourne shell is available.

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Automake

In software development, GNU Automake is a programming tool to automate parts of the compilation process.

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Bandcamp

Bandcamp is an American online music company founded in 2008 by former Oddpost co-founder Ethan Diamond and programmers Shawn Grunberger, Joe Holt and Neal Tucker, headquartered in California.

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BeOS

BeOS is an operating system for personal computers first developed by Be Inc. in 1991.

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Berkeley Software Distribution

Berkeley Software Distribution (BSD) was a Unix operating system derivative developed and distributed by the Computer Systems Research Group (CSRG) of the University of California, Berkeley, from 1977 to 1995.

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Bit

The bit (a portmanteau of binary digit) is a basic unit of information used in computing and digital communications.

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BlackBerry 10

BlackBerry 10 is a proprietary mobile operating system for the BlackBerry line of smartphones, both developed by BlackBerry Limited (formerly Research In Motion).

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BSD licenses

BSD licenses are a family of permissive free software licenses, imposing minimal restrictions on the use and redistribution of covered software.

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CD+G

CD+G (also known as CD-G, CD+Graphics and TV-Graphics) is an extension of the compact disc standard that can present low-resolution graphics alongside the audio data on the disc when played on a compatible device.

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CD-Text

CD-Text is an extension of the Red Book Compact Disc specifications standard for audio CDs.

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Codec

A codec is a device or computer program for encoding or decoding a digital data stream or signal.

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Comparison of audio coding formats

The following tables compare general and technical information for a variety of audio coding formats.

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Core Audio Format

The Core Audio Format is a container for storing audio, developed by Apple Inc. It is compatible with Mac OS X 10.4 and higher; Mac OS X 10.3 needs QuickTime 7 to be installed.

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Cross-platform

In computing, cross-platform software (also multi-platform software or platform-independent software) is computer software that is implemented on multiple computing platforms.

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Cue sheet (computing)

A cue sheet, or cue file, is a metadata file which describes how the tracks of a CD or DVD are laid out.

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Cyclic redundancy check

A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to raw data.

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DEFLATE

In computing, Deflate is a lossless data compression algorithm and associated file format that uses a combination of the LZ77 algorithm and Huffman coding.

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Digital audio

Digital audio is audio, or simply sound, signal that has been recorded as or converted into digital form, where the sound wave of the audio signal is encoded as numerical samples in continuous sequence, typically at CD audio quality which is 16 bit sample depth over 44.1 thousand samples per second.

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Digital container format

A container or wrapper format is a metafile format whose specification describes how different elements of data and metadata coexist in a computer file.

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Digital rights management

Digital rights management (DRM) is a set of access control technologies for restricting the use of proprietary hardware and copyrighted works.

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ECMAScript

ECMAScript (or ES) is a trademarked scripting-language specification standardized by Ecma International in ECMA-262 and ISO/IEC 16262.

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Encoder

An encoder is a device, circuit, transducer, software program, algorithm or person that converts information from one format or code to another, for the purposes of standardization, speed or compression.

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European Broadcasting Union

The European Broadcasting Union (EBU; Union européenne de radio-télévision, UER) is an alliance of public service media organisations, established on 12 February 1950.

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Fixed-point arithmetic

In computing, a fixed-point number representation is a real data type for a number that has a fixed number of digits after (and sometimes also before) the radix point (after the decimal point '.' in English decimal notation).

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Floating-point arithmetic

In computing, floating-point arithmetic is arithmetic using formulaic representation of real numbers as an approximation so as to support a trade-off between range and precision.

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Foobar2000

foobar2000 is a freeware audio player for Microsoft Windows, iOS and Android developed by Peter Pawłowski.

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Free software

Free software or libre software is computer software distributed under terms that allow users to run the software for any purpose as well as to study, change, and distribute it and any adapted versions.

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GNU General Public License

The GNU General Public License (GNU GPL or GPL) is a widely used free software license, which guarantees end users the freedom to run, study, share and modify the software.

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Golomb coding

Golomb coding is a lossless data compression method using a family of data compression codes invented by Solomon W. Golomb in the 1960s.

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Gzip

gzip is a file format and a software application used for file compression and decompression.

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Hertz

The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.

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HTML5

HTML5 is a markup language used for structuring and presenting content on the World Wide Web.

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IOS

iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware.

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Jolla

Jolla Oy (sometimes referred to as Jolla Ltd.) is a Finnish technology company; a vendor of mobile devices and the developer of Sailfish OS. Headquartered in Helsinki, Finland, Jolla has its own research and development offices in Helsinki, Tampere and Cyberport, Hong Kong. Jolla was founded in 2011 by former Nokia staff of the MeeGo project team to use the MeeGo opportunities and its "endless possibilities". Pronounced 'yolla', the company name is Finnish for dinghy (a small agile boat or life rescue boat). It was intended as an ironic joke about the "burning platform memo" which contained the metaphor to "jump into the cold sea water" or "burn with burning platform" used in context of the Nokia business activities, in the memo leaked by then-Nokia CEO Stephen Elop in February 2011, with Osborne effect-like consequences.

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Linear prediction

Linear prediction is a mathematical operation where future values of a discrete-time signal are estimated as a linear function of previous samples.

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Linux

Linux is a family of free and open-source software operating systems built around the Linux kernel.

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Lossless compression

Lossless compression is a class of data compression algorithms that allows the original data to be perfectly reconstructed from the compressed data.

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MacOS

macOS (previously and later) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001.

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MacOS High Sierra

macOS High Sierra (version 10.13) is the fourteenth major release of macOS, Apple Inc.'s desktop operating system for Macintosh computers.

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Matroska

The Matroska Multimedia Container is an open standard, free container format, a file format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file.

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MD5

The MD5 algorithm is a widely used hash function producing a 128-bit hash value.

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Metadata

Metadata is "data that provides information about other data".

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Microsoft Visual C++

Microsoft Visual C++ (often abbreviated to MSVC) is an integrated development environment (IDE) product from Microsoft for the C, C++, and C++/CLI programming languages.

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Microsoft Windows

Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.

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MP3

MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) is an audio coding format for digital audio.

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Multi-core processor

A multi-core processor is a single computing component with two or more independent processing units called cores, which read and execute program instructions.

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MusikCube

musikcube is an open source, cross-platform, terminal-based audio player and streaming server.

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Object-oriented programming

Object-oriented programming (OOP) is a programming paradigm based on the concept of "objects", which may contain data, in the form of fields, often known as attributes; and code, in the form of procedures, often known as methods. A feature of objects is that an object's procedures can access and often modify the data fields of the object with which they are associated (objects have a notion of "this" or "self").

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Ogg

Ogg is a free, open container format maintained by the Xiph.Org Foundation.

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Open format

An open format is a file format for storing digital data, defined by a published specification usually maintained by a standards organization, and which can be used and implemented by anyone.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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Opus (audio format)

Opus is a lossy audio coding format developed by the Xiph.Org Foundation and standardized by the Internet Engineering Task Force, designed to efficiently code speech and general audio in a single format, while remaining low-latency enough for real-time interactive communication and low-complexity enough for low-end embedded processors.

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OS/2

OS/2 is a series of computer operating systems, initially created by Microsoft and IBM under the leadership of IBM software designer Ed Iacobucci.

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Pono (digital music service)

Pono (Hawaiian word for "proper") was a portable digital media player and music download service for high-resolution audio.

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Pregap

The pregap on a Red Book audio CD is the portion of the audio track that precedes "index 01" for a given track in the table of contents (TOC).

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Pulse-code modulation

Pulse-code modulation (PCM) is a method used to digitally represent sampled analog signals.

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Reference implementation

In the software development process, a reference implementation (or, less frequently, sample implementation or model implementation) is the standard from which all other implementations and corresponding customizations are derived.

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ReplayGain

ReplayGain is a proposed standard published by David Robinson in 2001 to measure the perceived loudness of audio in computer audio formats such as MP3 and Ogg Vorbis.

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Ripping

Ripping is extracting all or parts of digital contents from a container.

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Royalty-free

Royalty-free, or RF, refers to the right to use copyright material or intellectual property without the need to pay royalties or license fees for each use, per each copy or volume sold or some time period of use or sales.

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Run-length encoding

Run-length encoding (RLE) is a very simple form of lossless data compression in which runs of data (that is, sequences in which the same data value occurs in many consecutive data elements) are stored as a single data value and count, rather than as the original run.

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Sampling (signal processing)

In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal.

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Solaris (operating system)

Solaris is a Unix operating system originally developed by Sun Microsystems.

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Source code

In computing, source code is any collection of code, possibly with comments, written using a human-readable programming language, usually as plain text.

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Speex

Speex is an audio compression format specifically tuned for the reproduction of human speech and also a free software speech codec that may be used on VoIP applications and podcasts.

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Surround sound

Surround sound is a technique for enriching the sound reproduction quality of an audio source with additional audio channels from speakers that surround the listener (surround channels).

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Theora

Theora is a free lossy video compression format.

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Transcoding

Transcoding is the direct digital-to-digital conversion of one encoding to another, such as for movie data files (e.g., PAL, SECAM, NTSC), audio files (e.g., MP3, WAV), or character encoding (e.g., UTF-8, ISO/IEC 8859).

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Unix

Unix (trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

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Unix-like

A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, while not necessarily conforming to or being certified to any version of the Single UNIX Specification.

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Vorbis

Vorbis is a free and open-source software project headed by the Xiph.Org Foundation.

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Vorbis comment

A Vorbis comment is a metadata container used in the Vorbis, FLAC, Theora, Speex and Opus file formats.

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Watcom C/C++

Watcom C/C++ (currently Open Watcom C/C++) is an integrated development environment (IDE) product from Watcom International Corporation for the C, C++, and Fortran programming languages.

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Wikimedia Foundation

The Wikimedia Foundation, Inc. (WMF, or simply Wikimedia) is an American non-profit and charitable organization headquartered in San Francisco, California.

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Winamp

Winamp is a media player for Windows, macOS and Android, originally developed by Justin Frankel and Dmitry Boldyrev by their company Nullsoft, which they later sold to AOL in 1999 for $80 million.

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Windows 10

Windows 10 (codenamed Redstone, formerly Threshold) is a personal computer operating system developed and released by Microsoft, as part of the Windows NT family of operating systems.

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Xcode

Xcode is an integrated development environment (IDE) for macOS containing a suite of software development tools developed by Apple for developing software for macOS, iOS, watchOS, and tvOS.

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Xiph.Org Foundation

Xiph.Org Foundation is a non-profit organization that produces free multimedia formats and software tools.

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XMMS

X Multimedia System (XMMS) is an audio player for Unix-like systems released under a free software license.

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Zip (file format)

ZIP is an archive file format that supports lossless data compression.

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Redirects here:

.flac, FLAC Lossless, Flac, Free Lossless Audio Codec, Free lossless audio codec, Josh Coalson, Ogg FLAC.

References

[1] https://en.wikipedia.org/wiki/FLAC

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