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In Reply to: RE: Is it HDMI or Time Warner - Update posted by Webnick on June 12, 2009 at 13:28:51:
"PS - If the signal going into the cable box is digital, where does the conversion (DAC) take place? In the TW box or in the TV? Is either one better than the other?"
That's easy to answer.
If the cable box is receiving a digital signal and you're using component output for video and/or analog output for audio, the video and/or the audio are being converted to analog in the cable box. It's the only place the conversion could be taking place if it has a digital input and analog output.
If you get a digital output from the cable box and feed it to the TV, then the TV will convert the digital audio but digital TV displays have no need to convert digital video inputs because that's what they use. Depending on the display and its tuner capabilities, it may convert analog video inputs, ie off air analog TV broadcast signals, to digital for display.
Which is better? Whichever one does the job better. That will depend on the quality of the conversion hardware/software in each.
In general I think you're better off feeding a digital video signal to a digital display. Why convert the video signal to analog only to have the display convert it back to digital so it can display the picture? There's 2 unnecessary conversions there if you can simply leave the signal in digital format all the way. Audio has to be converted somewhere so wherever the job is done best is best.
David Aiken
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Follow Ups
- ""PS - If the signal going into the cable box is digital…" - David Aiken 21:43:50 06/13/09 (0)
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