Here's an in-depth tutorial about creating seamless audio loops (using FOSS of course!).
This is a common thing needed for game sound effects.
I cover Audacity (RIP) and Ardour showing a comparison between the two - their strengths and weaknesses. I loop 7 sounds ranging from trivial to tricky, showcasing many awesome techniques I've figured out during my years of work as a sound designer. Enjoy!
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