"It's a pity that during the seventies, you couldn't hear the effects of surround sound in Taiwan's movie houses," says Chiao. Today, every theater has Dolby sound, but surround sound involves more than just installing a set of machines. The walls must be made of special materials, and technicians must also calibrate the sound to achieve the proper effect.
「可惜七○年代的台灣戲院還聽不到音響環繞的感覺」，焦雄屏說，現在家家戲院都裝有杜比，但是杜比音響不只是裝一套機器而已，除了牆壁的建材、還要有技師調音才能發揮效果。