Audio Files

It is a Pro Tools 10 software in digital audio workstations. PTX files are used for audio referencing only; hence they do not contain any audio files. If you are using an older version of Pro Tools 10, the extension will read .PTF. Generally, it maps all audio, MIDI data elements, including edits, and mix […]

The CDA file extension represents CD Audio Track stored on a CD. It denotes a small stub file (44 bytes) that Microsoft Windows generated for each audio track on a “Red-Book” CD-DA format. These files do not store the PCM sound wave data, but only the information about where they start and stop. Users can […]

Is a MPEG-4 file extension commonly used by audiobooks. You will most likely encounter it on iTunes and Apple Book audios. The extension usually stores these m4b files in MPEG-4 formats and compressed via Advanced Audio Codec (AAC) encoding. They are quite similar to M4B except for the fact that they are more specific to […]

Developed by Apple, the M4A file extension uses the MPEG-4 container format to store audio content. It follows either the ALAC (Apple Lossless Audio Codec) or AAC (Advanced Audio Codec) encoding and can host songs, podcasts, ,and other audio types. Initially, the format came into life to clear the confusion between the MPEG-4 audio and […]

The Audio Interchange File, AIF, is an uncompressed audio file that is used to store CD audio. The AIF is created using the Audio Interchange File Format, AIFF, and is similar to the WAV file, especially in terms of large file sizes. It contains audio data, channel information which is monophonic or stereophonic, sample rate, […]

The NKM file is short for Native Instruments Kontakt Multi Libary. It is an audio file used by Kontakt by Native Instruments. Kontakt is a professional audio sampler, and the NKM files are apart of the Kontakt Instruments. The NKM file saves multiple software instruments.

The PCG file is used with the Korg Triton or Korg Trinity Instruments bank created by KORG. The PCG file contains the sounds of the instruments which are used in the Korg Triton or Korg Trinity synthesizers and the names of the instruments, similar samples, and other items such as oscillators, and velocity ranges, and […]

The SAP file is an audio file generally connected with Atari systems that use a POKEY sound chip. The SAP file is usually used for playing music from the Atari systems on a modern computer, and people only interact with it if they like to listen to older music from Ataru systems. The SAP file […]

The XSPF file is a collection of songs that are saved in the XML Shareable Playlist Format, XSPF. The XSPF file does not actually have music. It only stores information about a playlist and references media files. Although the XSPF file is similar to the M3U file, the XSPF file uses standard XML tags to […]

The AUP file is an audio project file that was created by Audacity and is saved in an XML format and can be opened in a text editor. It has references to audio files and applied sound edits and allows for the breaking of larger audio tracks into smaller pieces so that the files can […]