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Data to and from SD card

Hi Cnet forum. Is the video and audio of a file going to an SD card joined together? When being read from the SD card, the video and audio is still joined together until separated in the computer? Is the video and audio once separated amplified before being displayed on the monitor?

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Re: SD card

That depends on the format of the file(s) you play, and on what you mean with 'join' and 'separate'.

As for you last question: video isn't amplified and audio isn't displayed on the monitor. So that question is confusing or wrong. Moreover, what do you mean with 'amplifiying' a digital signal?

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Data to and from SD card

Thank you Kee_B so much for replying. Audio isn't displayed on the monitor, sorry about that, thanks update. Because there is a data in and data out pins to an SD card, does that mean the video and audio of a file regardless of format mean the video and audio are combined going in and coming out of the SD card then separated in the computer? Video going to the monitor and audio going to the speakers?

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