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foobar2000:Components/FreeSurround Decoder (foo_dsp_fsurround)

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FreeSurround Decoder

foo_dsp_fsurround
Developer(s) Case
Repository
Release information
Initial release September 24, 2024; 2 years ago
Stable release 0.1.2 (September 26, 2025)
Preview release
foobar2000 compatibility
Architecture Windows 32-bit, Windows 64-bit
Minimum version 1.5
Maximum version
UI module(s) N/A
Additional information
Use
License GNU General Public License
Discussion thread {{{discussion_thread}}}
View all components

Description

FreeSurround Decoder decodes surround information from stereo music, and produces multichannel output from it.

The decoder should be compatible with the following coding schemes:

  • Dolby Surround
  • Dolby ProLogic
  • Dolby ProLogic II
  • SRS CircleSurround
  • SRS CircleSurround II
  • DTS Neo:6
  • Lexicon Logic7
  • Stereo Quadrophonic (SQ)
  • Quadrophonic Stereo (QS)


SQ is decoded with mono surrounds (i.e. like ProLogic I), due to a defective coding specification.

QS requires the front stereo separation to be set to 1.5, or else the sound field will be too narrow.

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