Hacked Gadgets Forum

January 31, 2007

S/PDIF output extension for Portable MiniDisc Devices

at 5:00 am. Filed under Complex Hacks, DIY Hacks, Electronic Hacks

Here is an digital audio project that uses S/PDIF.

“Here’s a very trivial S/PDIF transmitter hack for portable MiniDiscs and other digital audio devices lacking S/PDIF output.

The s/pdif transmitter runs from +5V, 44kHz 16bit input at 384xfs, is set to consumer mode output, and doesn’t transmit any COPY bit (copyright protection disabled). The board can be connected directly to a PC motherboard, or via a Toshiba TOTX173 to an optical cable feed, or with a small transformer to a coax line.”


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4 Responses to “S/PDIF output extension for Portable MiniDisc Devices”

  1. Brian Says:

    Doesn’t look trivial to me.

  2. boris Says:

    damn useful. lack of digi-out on portables was a @#*&% blunder from hell.

  3. sebastian nielsen Says:

    Thats a violation of the DMCA.

  4. Alan Parekh Says:

    Hey Sebastian,

    Never thought about the DMCA, but would it fall into that since the circuit would not be decoding anything…

    Although I guess everything from it could be digitally duplicated without the copy protection, so I guess this could be an issue. 🙁

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