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ID3. ID3 is a metadata container most often used in conjunction with the MP3 audio file format. It allows information such as the title, artist, album, track number, and other information about the file to be stored in the file itself. ID3 is a de facto standard for metadata in MP3 files; no standardization body was involved in its creation nor ...
The ID3v1 series, in particular, stores genre as an 8-bit number (therefore ranging from 0 to 255, with the latter having the meaning of "undefined" or "not set"), allowing each file to have at most one genre out of a fixed list. Genre definitions 0-79 follow the ID3 tag specification of 1999. [1]
iTunes is a discontinued media player, media library, and mobile device management utility developed by Apple. It was used to purchase, play, download and organize digital multimedia on personal computers running the macOS and Windows operating systems, and can be used to rip songs from CDs as well as playing content from dynamic, smart playlists.
iTunes Plus tracks, that the iTunes Store currently sells, are unencrypted and use .m4a accordingly. Audiobook and podcast files, which also contain metadata including chapter markers, images, and hyperlinks, can use the extension .m4a, but more commonly use the .m4b extension.
A .ipa file is an iOS and iPadOS application archive file which stores an iOS/iPadOS app. Each .ipa file includes a binary and can only be installed on an iOS, iPadOS, or ARM-based macOS device. Files with the .ipa extension can be uncompressed by changing the extension to .zip and unzipping. This is only recommended when editing the app itself.
The data compression software for encoding into ALAC files, Apple Lossless Encoder, was introduced into the Mac OS X Core Audio framework on April 28, 2004, together with the QuickTime 6.5.1 update, thus making it available in iTunes since version 4.5 and above, and its replacement, the Music application. [8]
This is a list of file formats used by computers, organized by type. Filename extension is usually noted in parentheses if they differ from the file format 's name or abbreviation. Many operating systems do not limit filenames to one extension shorter than 4 characters, as was common with some operating systems that supported the File ...
List of file signatures. This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes.