MPGA is one variation of the common digital audio file format (or MPEG Audio). The full name of this format is MPEG-1 Layer 3 Audio File. MPGA format is considered standard for Windows and is supported by all players of this operating system. Any multimedia software that supports MP3 format can work with MPGA audio files. MPGA files are small in size and have significant compression, and file compression is performed without loss of quality and preserving the original sound. The massive use of MPGA is related to the Android mobile OS.
Ogg is a relatively young format of modern audio formats, which is consistently among the three most popular and competes worthy with MP3. This format (full name Ogg Audio File) appeared in 2002, was developed by the nonprofit organization Xiph.Org Foundation, is free and free. Ogg files are very convenient for storing data, because they have a high degree of compression. For users, Ogg is attractive precisely for this, as well as high quality sound. It is also attractive because it is an effective alternative to paid audio formats. You can listen to these files in Winamp, AIMP, VLC, XMMS software players.