Qalqalah Explained: The 5 Letters and How to Bounce Them Correctly
Qalqalah is the slight echoing or bouncing sound applied to five specific letters (ق ط ب ج د) whenever they carry a sukoon, and it comes in two forms — minor and major — depending on where in the word or verse the letter occurs. Getting the amount of bounce right, not too flat and not exaggerated, is the main skill to develop.