Convert MP2 to SPX
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MPEG-1 Audio Layer II
This is a standardized format for digital television and radio. MPEG-1 Audio Layer II is compatible with a variety of media players. This format is used exclusively for storing audio information. It is employed in satellite broadcasting. The MPEG-1 Audio Layer II format was originally created in the 1990s. The popular mp3 format is one of its components. Its greatest advantage lies in the fact that the files do not lose the high sound quality upon compression. Before the emergence of DVDs, this format was used for compact discs.
An audio file with recorded voice messages
This format extension is one of the Speex Audio formats. It is an open-source codec developed by Xiph.Org. Used for creating voice messages and transmitting voice over packet-based networks with a low level of security. It is an audio file with recorded voice messages that are packaged in an OGG file. Only certain media players can open it.