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MP3 (MPEG-1 Audio Layer III): A widely used compressed format known for its balance of quality and file size. WAV (Waveform Audio Format): An uncompressed format that preserves the original audio quality but generates larger files. M4A (MPEG-4 Audio): A compressed format often used with Apple devices, similar to MP3 but potentially offering ...
An MP3 file can be edited without transcoding. Cut, copy, paste, and volume change operations are provided; edits can be previewed, including a command that plays a segment without a selected region (previewing a cut) Audio normalization and pause detection; MP3 recording with ACM or LAME encoder (not bundled) Fast MP3 visualization
Write ID3v1.1, ID3v2.3, ID3v2.4, MPEG-4, WMA, APEv2 tags, and Vorbis comments to multiple files at once. [4] Full Unicode support; Support for embedded album cover art; Automatically creates playlists; Recursive subfolder support; User-defined field mappings; Remove parts of a tag or the entire tag from multiple files; Rename files based on the ...
MPB contains AAC or ALAC encoded audio in an MPEG-4 container. (More details below.) .act: ACT is a lossy ADPCM 8 kbit/s compressed audio format recorded by most Chinese MP3 and MP4 players with a recording function, and voice recorders .aiff: Apple: A standard uncompressed CD-quality, audio file format used by Apple.
The MP4 file format defined some extensions over the ISO Base Media File Format to support MPEG-4 visual/audio codecs and various MPEG-4 Systems features such as object descriptors and scene descriptions. Some of these extensions are also used by other formats based on the ISO base media file format (e.g., 3GP). [1]
MPEG-4 is a group of international standards for the compression of digital audio and visual data, multimedia systems, and file storage formats. It was originally introduced in late 1998 as a group of audio and video coding formats and related technology agreed upon by the ISO/IEC Moving Picture Experts Group (MPEG) (ISO/IEC JTC 1/SC29/WG11) under the formal standard ISO/IEC 14496 – Coding ...