As the name says MPA Decoder will help to decode MPA files. MPA is an elementary MPEG-2 audio stream (no video).
How to install MPA Decoder
If you are unable to install the filter, please read this small guide: How to install/uninstall DLL and AX codec files
Changes in MPA Decoder 1.4.3
- corrected work with DTS-HD streams for output to S / PDIF output, in which case only output DTS core
- added support for decoding MEDIASUBTYPE_SIPR_WAVE - SIPR in .wmv, Voxware MetaSound
- changed test for Bitstream/SPDIF-output support
- repaired conversion to AC3