The advantages over two separate cards are cost and utilization of expansion slots in the computer. The card operates as an analog tuner and a digital tuner simultaneously. One can watch analog while recording digital, or vice versa. This is similar to a hybrid tuner, except there are two separate tuners on the card. The card operates as a digital tuner or an analog tuner until reconfigured. Switching between the systems is fairly easy, but cannot be done immediately. More-advanced TV tuners encode the signal to Motion JPEG or MPEG, relieving the main CPU of this load.ĭigital tuners Hybrid tuners Ī hybrid tuner has one tuner that can be configured to act as an analog tuner or a digital tuner.
MicroTV for Apple Macintosh II, which debuted in 1989.
Some cards also have analog input ( composite video or S-Video) and many also provide a radio tuner.Īn early example was the Aapps Corp. Analog television cards output a raw video stream, suitable for real-time viewing but ideally requiring some sort of video compression if it is to be recorded.
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