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Thread: SDPIF digital Coax into car audio pieces

  1. #1
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    SDPIF digital Coax into car audio pieces

    So I keep hearing people talk about SPDIF digital off the mother boards being the best thing ever siince it's an RCA connection.

    What I have yet to see is someone actually USING that SPDIF digital coax to go INTO a processor of some kind for car audio.

    For instance, the Alpine H701 doesn't take SPDIF DIGITAL in only SPDIF OPTICAL (tos-link).

    There are two different kinds of SPDIF here:

    The most common connector used with an S/PDIF interface is the RCA connector, the same one used for consumer audio products. An optical connector is also sometimes used.
    # Sony Philips Digital IntferFace. This comes in two forms digital caxial (RCA) and digital optical D-link - Denon link. A higher quality digital interface that can be used for digital transfer of LPCM, DD, DTS and DVD-Audio. It can also be used for SACD, but not yet as Denon is still waiting on a licence for this I-link - Also known as IEE 1394 or Firewire. A higher quality digital interface that can be used for digital transfer of LPCM, DD, DTS, DVD-Audio and SACD Feel free to correct me if I didn't get it all. I
    www.avtalk.co.uk/forum/index.php

    # S/PDIF or S/P-DIF, for Sony/Philips Digital Interconnect Format (also IEC 958 type II, part of IEC-60958), is a system for carrying stereo digital audio signals between various devices and stereo components. S/PDIF is primarily used with CD players (and DVD players playing CDs), and it is becoming common on other audio components like MiniDiscs and modern computer audio cards. It is also popular in car audio, where the former mess of wiring can be replaced with a single fibre optic cable, which
    en.wikipedia.org/wiki/Spdif
    now if someone has found a piece int he car audio world that will take digital SPDIF IN, I'd love to see it. Please post it up! I'd be interested to see what is avaliable.

    Otherwise you are getting into professional audio equipment.

    something like these:

    http://www.driverack.com/products.htm

    which, btw, there is a way to convert that over to run on 12volt. Its something that I have considered doing in my car...but I'm probably going to wait until the next build/nedw car comes around to do that.
    Jan Bennett
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  2. #2
    Variable Bitrate
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    The red light on the TOS-Link connector is much prettier than that digital coax plug.

  3. #3
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    lol

    sure, if you want to use that as a deciding factor, you go right ahead...hehehe
    Jan Bennett
    FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

    Please post on the forums! Chances are, someone else has or will have the same questions as you!

  4. #4
    Constant Bitrate accentsound's Avatar
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    Audiobahn ADD51T 1/2 din Car 5.1 surround decoder with optical and Coxaial Digital Inputs.

    http://www.audiobahn.com/products/20...rocessors.html

    We are using them in two vehicles, A Escalade and a Honda S-2000

  5. #5
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    mkay - but it's audiobahn...ICK!

    but it is a product that has the capabilities of taking in a SPDIF digital RCA signal...
    Jan Bennett
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  6. #6
    FLAC ppgt94's Avatar
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    You can convert the optical digital to coaxial digital and vise versa. From what I understand it's the same unprocessed signal just different physical connections. I have home A/V equipment that have both and they work exactly the same.

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    yes - you can, but converting should be kept to a minimum to preserve the original signal integrity
    Jan Bennett
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  8. #8
    Underachiever ACHIEVER's Avatar
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    True, but do you lose anything when in a digital signal?

  9. #9
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    no - not significantly, but I'd keep it all to a minimum

    the point of my original post wasn't to find out if you could convert it or not though....that's a given....
    Jan Bennett
    FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

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  10. #10
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    Quote Originally Posted by ppgt94
    You can convert the optical digital to coaxial digital and vise versa. From what I understand it's the same unprocessed signal just different physical connections. I have home A/V equipment that have both and they work exactly the same.
    but the red light is prettier AND travels at the speed of light!!!! With one of these, you're future-proof. Won't have to worry about upgrading when optic-based ICs come to mass production.

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