FluidSynth

FluidSynth is a software synthesizer using SF2 sound fonts. Support for using FluidSynth as the midi playback device in ZDoom was added shortly after version 2.5.0 was finalized.

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Setting up FluidSynth

FluidSynth is bundled with GZDoom since version 3.0, along with a default soundfont. The following instructions are only needed for older versions.

On Windows, the simplest method is to grab the 32-bit or the 64-bit version and place the extracted fluidsynth.dll in your ZDoom directory. The fluid_patchset console variable must be set to point to a valid SF2 sound font for it to render any output; however ZDoom may be able to automatically detect one if it exists, depending on your hardware and operating system: on Unix systems, it will look for /usr/share/sounds/sf2/FluidR3_GS.sf2 and on Windows it will look for CT4MGM.SF2 and CT2MGM.SF2 in the system directory (Creative drivers usually install one of them so if you have a Creative sound card it may work out of the box).

If you do not have any sound font pre-installed by your OS or your sound drivers, you will need to download one.

Advantages and drawbacks
  • FluidSynth is very CPU-intensive, though this is mitigated by multicore CPUs.
  • Even though FluidSynth was designed to fully support all features of the SF2 sound font format, it is also more likely than TiMidity++ to detect errors and abort loading instruments in sound fonts. A good example of this phenomenon is the Silverspring sound font, which is basically unusable with FluidSynth.

See also

Forum threads
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