Dual vocal cords are a way of producing sounds that are characterized by producing both high and low sounds at the same time. Dual vocal cord activities refer to the realization of the vocal production and control capabilities of dual vocal cords through training, so as to achieve various purposes such as singing, translation, and reading. Because dual vocal cords have unique sound effects, they are widely used in music, rap, broadcast and other fields.

Participating in dual-vocal activities can improve people's vocal performance. The dual vocal cords produce more natural sounds, the timbre is softer, and can show different emotions, making singing and performances more vivid and infectious. At the same time, dual vocal cord training can also help improve breathing, pronunciation, intonation, etc., making people's language expression more comfortable and fluent, which is beneficial to personal workplace and social development.

Double vocal cord training requires professional coaches and scientific methods, and is usually carried out in music education institutions or music training centers. The main content of the training includes double vocal cord vocalization, control, breathing exercises, etc., and long-term training is required. In addition, participating in dual vocal cord activities requires sufficient investment of time and energy, as well as psychological preparation and action plans to better carry out this activity.