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Audio File Extensions

These are the audio file types you will be interacting with.

.ogg

Extracted music files from "music", "music_patch_1", & "music_patch_2" will be converted to this format if they are to be edited.
OGG files CANNOT be re-injected into DOOM Eternal.
Example:
cultist_base_music_main_heavy_0_id#156134790.ogg

.opus

Extracted sound effect & voice over files from "sfx", "sfx_patch_1", "vo_English(US)", etc will be in this format.
OPUS files CAN be re-injected into DOOM Eternal.
Example:
ammo_bfg_id#373311939.opus

.wav

Edited music files must be converted into the WAV format before they can be converted into WEM files.
WAV files CANNOT be re-injected into DOOM Eternal as music files, but they CAN as sound effects & voice overs.
Example:
cultist_base_music_main_heavy_0_id#156134790.wav

.wem

After the edited music files have been converted into the WEM format, they CAN be re-injected into DOOM Eternal.
Example:
cultist_base_music_main_heavy_0_id#156134790.wem

.snd

These contain the audio files. They CANNOT be directly modified by a conventional audio editor.
Instead, tools are used to extract individual audio audio files.
Example:
music.snd

.pck

These contain the audio resources. They CANNOT be directly modified by a conventional audio editor.
However, Fusion Tools can directly modify PCK files.
Example:
mus.pck

If a WEM file has been exported correctly (Vorbis Quality High), they should have "_3F75BDB9" before its WEM extension. You will need to delete the "_3F75BDB9" in the WEM file's name before you can inject it into DOOM Eternal.

PCK files modified by Fusion Tools are not supported by DEternal_loadMods,
which is a program that allows certain mods type to be injected.

See Creating Audio Mods for more information.