释义 |
Definition of video frequency in English: video frequencynoun A frequency in the range used for video signals in television. Example sentencesExamples - For some applications, e.g. inline laser printing, the video frequencies must be calibrated to the print engine mechanism so board changes are not practical.
- As high-frequency op amps became available, active filters once used only for audio became practical for video frequencies.
- The ProExtreme wireless camera detector automatically scans all the commonly used video frequencies in under 10 seconds.
- Like composite video, they tend to be designed for flexibility and performance at lower video frequencies.
- The video signal forms a square wave with a video frequency of approximately 19 kHz.
- Because the frequencies of the vibration are higher than the video frequency, strobed illumination of the hemicochlea preparation was used to acquire the images.
- This was broadcast over all video frequencies not long ago.
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