| 摘要 |
PURPOSE:To adjust the balance between the right and left voices at every listening point. CONSTITUTION:A stereophonic balance controller consists of a voice signal input part 1 which inputs the stereophonic voice signals and supplies the L(left) and R(right) voice signals to an amplifying part 2 of the next stage, the amplifying part 2 which amplifies L and R voice signals independently of each other, a speaker 3 which converts the amplified L and R voice signals into the L and R voices, a sensor part 4 consisting of plural infrared sensors, a deciding part 5 which decides the position and the area of each listening point based on the sensing result of the part 4, a memory 6 which stores the electronic volume data on the L and R voice signals corresponding to the position of the listening point and the data on the directions of L and R speakers corresponding to the position of the listening point, a driving part 7 which changes the direction of the speaker 3, and a control part 8 which controls each component part. |
