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01-19-2025, 01:56 PM
AreGeeBee AreGeeBee is offline
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Is a Sony DCR-TRV460 HandyCam internal TBC a Digital or Analog processor?

Is the analog signal being internally digitized whenever the Sony HandyCam TBC is ON?

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I have a Sony DCR-TRV460 HandyCam which of course has S-Video Out as well as Firewire Out. I want to capture in the best quality I can.

So if the built in Sony HandyCam TBC feature is ON, is the analog video signal first being digitized A->D, processed in the TBC digitally, then again put through a D->A before it goes out the S-Video (analog) Out? So is it not really a "virgin" analog signal.

In capturing from the Sony HandyCam, I am trying to determine if it is best to use the signal from the Sony's S-Video Out (knowing that it has already internally passed through an A->D, TBC, then D->A) - before then adding yet another A->D stage in my capture device...

-OR-

...Should I use the Sony HandyCam Firewire (i.Link) Out which means passing through the Sony A->D, TBC, then DIGITAL Firewire transfer directly into my capture device. Less conversions this way.

Or should I turn OFF the Sony TBC and capture the true analog signal from the tape using the analog S-Video connection? Of course, in this scenario, the video doesn't look as good since the Sony built-in TBC definitely cleans up the picture, but it is TRUE analog from tape, right?

So, which method theoretically offers the best possible picture quality? Is the S-Video true analog signal higher quality than the processed Sony HandyCam Firewire digital signal?

PS: I could also ask the same about the internal Sony DNR feature. Is it working in the digital or analog domain?

Last edited by AreGeeBee; 01-19-2025 at 02:15 PM.
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  #2  
01-19-2025, 05:01 PM
latreche34 latreche34 is offline
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Yes the internal line TBC is digital, but using firewire adds another layer of DV encoding which reduces the quality, So you have to choose between digital workflow with DV encoding OR a conversion to analog followed by a lossless capture via S-Video, It's your call, but I would test both and see for yourself.

One thing to not, the line TBC is transparent in terms of video quality degradation, it is hard to notice any visual quality loss with it being ON or OFF except for better line timing which is what is set to do.

https://www.youtube.com/@Capturing-Memories/videos
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