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    The Apple Audio Lossless Codec (ALAC), also known as lossless Mac products or Apple Lossless Encoder (ALE), can be an audio encoding format, and all of its audio codec reference implementations are developed by Apple Inc. only. digital music data. After being copyrighted by Apple from the beginning until 2004, Apple continued to make the open source codec available royalty-free at the end of 2011. Traditionally, Apple has referred to the codec as Apple Lossless, although more recently it has used the abbreviated term ALAC whenever it refers to the codec. .[1][2]


    Apple Lossless stabilizes up to 8 channels of 16, 20, 24 and 36-bit CDs at a maximum drive frequency of 384kHz.

    The story of Apple Lossless is often saved in an MP4 container with the .m4a file format. This extension is also used by Apple for lossy AAC audio data.and in MP4 containers (same media, different audio encoding). A .codec .may also .end up being .used by a .CAF file type container, although this is certainly a much rarer case.

    Apple Lossless is probably not a variant of AAC (which would be a lossy format), but rather a well-designed lossless [clarification needed] format that allows for linear prediction; with other similar lossless codecs.

    ALAC also doesn’t necessarily use a DRM scheme; but due to the nature of MP4 support, DRM can be applied to ALAC in the same way that it is manually applied to files in other QuickTime containers.[quote]

    According to Apple, audio files compressed with a lossless codec will take up “about half the disk space” that uncompressed data would. Testers, using a selection of favorite songs, found that compressed files are between 40% and 60% of the weight of the original, depending on the type of music, which is a lot compared to other lossless formats.[3 ]< /sup>[4]

    Compared to other successful [clarification needed] formats, forEncoding may require less processing power. Therefore, this idea is also suitable for mobile phones with limited performance, such as older iOS devices.[5][6]

    As with the MP4 container, Apple Lossless does not offer built-in error checking.[7]


    A data compression application for encoding ALAC to files, Apple Lossless Encoder, was introduced across the Mac OS X Core Audio framework on April 28, 2004, and worked in tandem with the QuickTime 6.5.1 update, which was actually made available, starting with iTunes Art 4.5 and later, and replaces the music app.[8] This codec is also used in the AirPort and AirPlay implementation.

    David Hammerton and Cody Broches analyzed and reverse engineered this codec without documenting the form. On March 5, 2005, Hammerton printed a simple open source decoder written in the C programming language based on the work. Apple [9]

    Is ALAC as good as FLAC?

    ALAC is great because you can still use iTunes to adjust everything in your library. FLAC outperforms ALAC in terms of superiorquality. ALAC is 16-bit encoding while FLAC is 24-bit encoding, and FLAC also has a higher sampling rate. ALAC approaches CD quality, which is significantly better than most of your electronic files.

    Lossless encoders (and decoders) were released as open source software on October 27, 2011 under each of theour Apache 2.0 license versions.[10][11] [12]

    Is ALAC really lossless?

    May 17, 2021 Apple announced that lossless audio will be introduced to Apple Music starting June 2021, with all lossless music encoded using ALAC.[13]< /up>

    Apple For Lossless Formats

    alac audio codec

    Other lossless codecs like And flac Shorten are actually natively supported by Apple iTunes, not by the new Music app (be it your current version of macOS or Windows) or even iOS devices running iOS 10 on the other hand below. To work on iOS via iTunes and the music software package, most lossless codec audio files can be converted to ALAC-encoded ring folders using various third-party tools without any change in fidelity.


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    Third-party apps may be available in the App Store to play these files without converting them. Devices running iOS 19 or later or supporting FLAC will only play using the Files utility.[14]Excluding such files, there is probably no official support for this to work at this time.[15]


    All modern iOS devices can play lossless files encoded by Apple.

    alac audio codec

    The open source library libavcodec contains both a dedicated decoder and encoder for each Apple lossless format, which means that media players are based on this suite (including VLC Mediaplayer and MPlayer, as well as many Media Hub applications for home theater computers) , such as Plex, XBMC, and Boxee) will certainly play lossless Apple file types. from

    Since 2015, Windows 10 has added support for Apple Lossless encoding in addition to decoding, allowing it to be used by other multimedia gamers, such as Windows Media At Player to rip CDs or the main Spotify desktop client to play local files. m4a.

    Is ALAC as good as FLAC?

    The library will later be optimized for ARM processors and also included in Rockbox.[clarification needed]

    Is ALAC better than AAC?

    Can you hear all the differences? If you plan to pay for music through ordinary headphones, then you will not hear the difference between AAC and ALAC. Although lossy printers such as AAC reject audio data, this decent bit rate (256Kbps and therefore higher) is usually sufficient for the vast majority of people.

    Foobar2000 should definitely play Apple Lossless files as well as JR media filesiver Center and BitPerfect.

    ALAC via Lossless Movies was added to Apple Music in June 2021 at no additional cost to all subscribers. The maximum lossless fidelity of Apple Music is 24 bits at 192 kHz[16].

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