Plz answer it with detailed explanation bit confused on one concept of this audiogram

Plz answer it with detailed explanation bit confused on one concept of this audiogram

Plz answer it with detailed explanation bit confused on one concept of this audiogram

Left sided snhl

U have to take avrage of 500, 1000, 2000, 4000, db loss of both air conduction and bone conduction. Bcz these frequencys ll cm under speech freequency