First of all, positive.
The spirit is uplifting and positive, and the nerve conduction is sharp and rapid. At this time, the sound will flow out of the chest like a warm current. If you speak in a passive and errand-coping psychological state, your nerve conduction will be sluggish, and your voice will be tired and indifferent. In the process of learning, the meaning of positive state also includes positive learning attitude, goals, confidence and steps.
Second, relax.
Relaxed from spirit to whole body muscles, flexible in reaction, without tension and stiffness. You know, mental state and whole body muscle state interact. Mental stress can lead to muscle stiffness, and the most common phenomena of vocalization are shortness of breath, tight throat and "voice doesn't work"
On the other hand, muscle stiffness can also lead to mental state not stretching, such as chest stiffness and tight throat, which will dull the feeling and limit the emotional action during dubbing.