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For example, Fiber optic cable IN, Fiber optic cable OUT, and a dial that can vary the delay applied.
I think if cheap enough, it would be useful to have such a device to achieve synchronization of video and audio. I've always seen it where the video trails the audio. From what I understand certain network equipment imposes a delay to video but leaves audio as is, so a video delay WRT audio takes place.
Such a device shouldn't be too difficult to design and build. Probably no more than a second of delay should be enough to synch most signals.
What would it take? Receive port, memory, control circuitry for the delay, output port .....
I think if cheap enough, it would be useful to have such a device to achieve synchronization of video and audio. I've always seen it where the video trails the audio. From what I understand certain network equipment imposes a delay to video but leaves audio as is, so a video delay WRT audio takes place.
Such a device shouldn't be too difficult to design and build. Probably no more than a second of delay should be enough to synch most signals.
What would it take? Receive port, memory, control circuitry for the delay, output port .....