"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 and essential aspects of teaching sound-related concepts.
"Basic Sound Pedagogy" uses "pedagogy," which refers to the method and practice of teaching, especially as an academic subject or theoretical concept, to convey the idea of a systematic approach to teaching sound basics.
Both translations are acceptable, and the choice between them may depend on the specific context and the intended audience.