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Decoding 80bit time-code ? — Parallax Forums

Decoding 80bit time-code ?

ArchiverArchiver Posts: 46,084
edited 2001-10-01 14:54 in General Discussion
Has anyone here ever used or tried to use a basic stamp to decode 80 bit EBU
timecode ?

Justin Pentecost

Comments

  • ArchiverArchiver Posts: 46,084
    edited 2001-10-01 13:58
    I believe there is an article in one of the Nuts & Volts of Basic Stamps
    books that deals with using an atomic clock receiver chip to make your own
    accurate clock. I'll have to find it again to be sure, but I think thats
    where I found it. They indicated this was a better solution than hacking an
    existing receiver as the chip has a data out line.

    Original Message

    > Has anyone here ever used or tried to use a basic stamp to decode 80 bit
    EBU
    > timecode ?
  • ArchiverArchiver Posts: 46,084
    edited 2001-10-01 14:10
    Hi Rodent [noparse]:)[/noparse]

    I think I misled you with my original post [noparse]:([/noparse] what I meant was the
    timecode that people lay down onto video tape ETC ETC.

    I can't remember exactly from my training how it's coded. But I think it's
    80 bits per field (ie 50 fields sec This is for PAL land only).

    Justin


    Original Message
    From:
    sentto-1327227-14997-1001941226-justin=krass.com@returns.onelist.com
    [noparse][[/noparse]mailto:sentto-1327227-14997-1001941226-justin=krass.com@r...
    .com]On Behalf Of Rodent
    Sent: 01 October 2001 13:58
    To: basicstamps@yahoogroups.com
    Subject: Re: [noparse][[/noparse]basicstamps] Decoding 80bit time-code ?


    I believe there is an article in one of the Nuts & Volts of Basic Stamps
    books that deals with using an atomic clock receiver chip to make your own
    accurate clock. I'll have to find it again to be sure, but I think thats
    where I found it. They indicated this was a better solution than hacking an
    existing receiver as the chip has a data out line.

    Original Message

    > Has anyone here ever used or tried to use a basic stamp to decode 80 bit
    EBU
    > timecode ?




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  • ArchiverArchiver Posts: 46,084
    edited 2001-10-01 14:54
    Ah.... makes sense. Here is what I found on a quick web search:

    http://www.philrees.co.uk/articles/timecode.htm

    Looks like if you could pick off the signal it would be fairly simple for a
    Stamp to do.

    Original Message

    > I think I misled you with my original post [noparse]:([/noparse] what I meant was the
    > timecode that people lay down onto video tape ETC ETC.
    >
    > I can't remember exactly from my training how it's coded. But I think
    it's
    > 80 bits per field (ie 50 fields sec This is for PAL land only).

    > I believe there is an article in one of the Nuts & Volts of Basic Stamps
    > books that deals with using an atomic clock receiver chip to make your own
    > accurate clock. I'll have to find it again to be sure, but I think thats
    > where I found it. They indicated this was a better solution than hacking
    an
    > existing receiver as the chip has a data out line.
    >
    >
    Original Message
    >
    > > Has anyone here ever used or tried to use a basic stamp to decode 80 bit
    > EBU
    > > timecode ?
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