光学声迹 meaning in Chinese
optical sound track
photographic track
Examples
- Picture image area and photographic sound record on 35mm motion - picture release prints - position and dimensions
35mm电影发行拷贝上画面和光学声迹的位置和尺寸 - Overall electro - acoustic frequency response for repro - duction of 35mm optical sound track ? reproduction cha - racteristics
35mm影片光学声迹的还音电声频率响应特性