How To Remove Echo In Audacity: A Step By Step Guide
Audio Filters With Audacity : 6 Steps - Instructables
How to enhance Audio Quality using High/Low Pass Filters in Audacity
How to enhance Audio Quality using High/Low Pass Filters in Audacity
This might be common knowledge, but you can open your sound files in a program like audacity and add a low-pass filter and reverb effect to create a quick and cheap underwater