発声訓練
Meanings
1
voice training; vocal training
Training to improve vocal production, often for singing, public speaking, or acting. Similar to 発声練習, but 訓練 emphasizes systematic practice.
See also: 発声練習 (はっせいれんしゅう)
He never misses his voice training every morning.
If you keep up vocal training, your voice will carry better.