Students think activities Instrumental musical instruments with the same work or equal loudness and frequency are the same. There is something else again? How to make sounds that we hear differently.
Students thought Of activity Playing an instrument with the same notes or equal frequency and volume, as well. What else? How did that make different sounds we hear.
Students think of activities. Play musical instruments with the same note or frequency rate and loudness rate. สิ่งอื่นอีก? That sounds we hear differently.