digital television synchronizer

例句：

1. 1. The digital television synchronizer is essential for synchronizing the signals from different cameras.
   数字电视同步器对于同步来自不同摄像机的信号至关重要。
2. 2. The engineer used the digital television synchronizer to sync the audio and video feeds from the productionset.
   工程师使用数字电视同步器来同步生产场景的音频和视频信号。
3. 3. The digital television synchronizer was crucial in ensuring that all scenes were properly synchronized during the filming.
   数字电视同步器在拍摄过程中确保所有场景正确同步方面起到了关键作用。