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Embedding Data Signals In White Noise

Posted by timothy on from the literally-subliminal dept.

Anemophilous Coward writes "ZDNet has the following article which describes a company that 'has devised a method for sending wireless signals over ordinary audio speakers so that humans can't hear them. With this same technology, radio stations can unobtrusively transmit ads, Web site URLs, or information about music and artists to in-car cell phones.'" Here is some further reading about the company, Intrasonics.

7 of 239 comments (clear)

  1. OK....Where's my tinfoil hat? by Dutchmaan · · Score: 5, Funny

    We all know this is just a cover story for the REAL secret messages in the static!

  2. Oh Great..... by GeneralEmergency · · Score: 5, Funny

    ....more invisible voices urging me to do bad things.
    .
    .

    --
    "A microprocessor... is a terrible thing to waste." --
    GeneralEmergency
  3. Why does spot keep beating his head on the ground? by KnowledgeFreak · · Score: 5, Funny

    And life for all dog's everywhere will never be the same.

  4. Exciting! by joebagodonuts · · Score: 5, Funny

    The pr0n industry should be all over this. You can watch a movie at home with a special "doll", responding to commands...

    Where can I buy stock?

    --
    "Give a woman two glasses of wine and some pad thai, and they'll agree to just about anything." the Sports Guy
  5. And straight into our brains, man! by burgburgburg · · Score: 4, Funny

    This is just like that time that the phone police were sending me those messages through the rings, man. Exactly the same, except different. Man.

  6. I can hear the audiophiles now... by dameron · · Score: 5, Funny

    "I can hear it, can't you?"

    -dameron

  7. Re:Ignore the man behind the curtain by Dannon · · Score: 5, Funny

    "Can you hear me now? No? Good!"

    --
    Good judgment comes from experience.
    Experience comes from bad judgment.