XA or Extensive Audio is an audio file type which is primarily associated with The Sims ( a popular game now owned by Electronic Arts formerly by Maxis). It is also used in other games like Sim City. Note: Different versions of this file type may have different starting strings.
The 669 file format is a tracker module, which is associated with the ‘669 Tracker Module’. A 669 file has 8 channels and is similar to a MOD file.
The AVC1 (MPEG-4_AVC_BP) file format is also known as MPEG-4, which have H.264 in the baseline profile.
The KAR file extension is a Karaoke MIDI audio file that has been created by Tune 1000 Corporation. This format has been abandoned, but is still commonly seen in shareware and the public market.
Mime type: audio/midi, audio/x-midi, audio/mid, x-music/x-midi
The MP3 extenstion is the most common MPEG-1 Audio stream file type. It is a MPEG-1 Audio Stream, layer III that is an audio coding format that uses lossless compression method for its music data. Nowadays, the MP3 is the standard for digital audio streaming and storage and is the standard for most music players. Created by the Moving Picture Experts Group, it is the second successor to the original MP1 format.
Mime type: audio/mpeg, audio/x-mpeg, audio/mp3, audio/x-mp3, audio/mpeg3, audio/x-mpeg3, audio/mpg, audio/x-mpg, audio/x-mpegaudio
An OMA file extension is an OpenMG music format that is used by Sony Corporation and are created in Sony’s ATRAC3 format. It can be converted in multiple ways like burning it to a cd-rom and then rip the audio off the cd. Or one could use the original applications by Sony to convert the file to a WAV format.
The S3M file format is a Scream Tracker 3.0 audio module. It contains music patterns and sound samples. Older versions of the Scream Tracker saved files as .STM files. If you want to open these files using Winamp: try the AdPlug plug-in.
Mime type: audio/s3m, audio/x-s3m
XM or Extended module is primarily associated with ‘Fast Tracker 2’ which is a digital tracker music module. It’s an audio file type introduced by Triton and is a common format for many chiptunes.
MIME TYPE: audio/xm, audio/x-xm, audio/module-xm, audio/mod, audio/x-mod.
AAC, Advanced Audio Coding , is a standardized compression and encoding scheme for digital audio. The AAC is primarily associated with ‘MPEG-2 Advanced Audio Coding File’ and has been promoted to be the successor of the popular MP3 format (created by Fraunhofer IIS). The AAC is mostly used as the default audio format of iPhones, iPods, iTunes and the formats in the iTunes Store, which are owned by Apple.
The AWB file extension is primarly associated with the Adaptive Multi-Rate Wideband ACELP CODEC. Instead of in the common 200-3400 Hz range, it operates in the 50-7000 Hz range.
Mime type: audio/AMR-WB