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RCA Connectors (White & Red)

post #1 of 4
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Just a quick question about RCA Audio. Saying the board with RCA outputs could output a crazy amount like 32-bit/64-bit - 192/384khz audio, can RCA cable travel that amount or is there a limitation?
Edited by Unknownm - 6/23/16 at 1:08pm
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post #2 of 4
Well every cable has a limitation. Component video uses 3 to make a 1080p video signal, you could probably do a rough calculation based on that.

I don't see why anyone would make a custom thing using RCA though. Anything the cables are going to wouldn't be set up to take advantage of the extra quality, and if you are making both input and output yourself, USB is much easier and better.
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post #3 of 4
Quote:
Originally Posted by Unknownm View Post

Just a quick question about RCA Audio. Saying the board with RCA outputs could output a crazy amount like 32-bit/64-bit - 192/384khz audio, can RCA cable travel that amount or is there a limitation?
Would this be an analogue signal or a digital signal. If digital USB would be very much preferred.

If analogue, would that be low level (preamp output) or line level (amplifier's speaker output)?

If preamp out put, RCA cables lengths between 3 and 10 feet would be fine.Note that digital signals through cables less than 3 feet can result in "signal bounce" which may degrade sound quality - but if you're not an audiophile using the highest quality equipment you probably won't heat it.

If speaker output cable length to 100 feet would be fine.
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post #4 of 4
Quote:
Originally Posted by Unknownm View Post

Just a quick question about RCA Audio. Saying the board with RCA outputs could output a crazy amount like 32-bit/64-bit - 192/384khz audio, can RCA cable travel that amount or is there a limitation?

The "white and red" RCA ports are for analogue audio. it does not output "32-bit/64-bit - 192/384khz audio." What happens is that the DAC or CDP can convert 32-bit/64-bit - 192/384khz audio into analogue.

Therefore in terms of relevance to the limitation of RCA cables in transmitting a digital audio signal with given resolution and sampling rate it won't be the "red and white" RCA, but the black RCA port (or gold in some cases, which in some cases can be a BNC screw-on port). That said, AFAIK, it will depend more on the DSP/transmitter and receiver chip behind the ports; although IIRC the only ones I've seen that can do 32bit audio are USB and HDMI.

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