Sound Editor
From Populous Wiki
Populous Ambient Sound Editor
This program created by [Nexus] edits the ambient sound effects of the game (e.g. spell incantations).
It features the following:
Extract sound as WAV file
Extract all sounds at once (as WAV)
Replace sounds (supports WAV only for the moment)
Graphical User Interface
Details of each sound in the file
The official page for the Sound Editor is as follows: [1]
Go to project links, then Sound Editor.