"声音基础教学法" can be translated as "Fundamental Sound Teaching Method" or "Basic Sound Pedagogy."
"Fundamental Sound Teaching Method" emphasizes the foundational nature of the method in teaching sound-related concepts.
"Basic Sound Pedagogy" focuses more on the pedagogical (teaching and learning) aspects of the approach, with "pedagogy" referring to the art or science of teaching.
Both translations are acceptable, and the choice may depend on the specific context or emphasis you wish to convey.