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Need help on voice recognition circuit

Discussion in 'General Electronics Discussion' started by vead, Apr 23, 2012.

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  1. vead

    vead

    473
    14
    Nov 27, 2011
    Hi,
    I need circuit that get voice from particular person and work on certain operations actually i want to design robot that operated according my voice instruction
    I know about HM2007 but i can't arrange this Ic
    please anybody help me how to design voice recognition circuit what component i need to make circuit
    thanks
     
  2. CocaCola

    CocaCola

    3,635
    5
    Apr 7, 2012
    ICs and micros only have so much computing power and are limited to the mere basics...

    If you want the best of the best you will have to consider a full fledged single board computer running voice recognition software... The good thing is that single board computers are cheap now and you can run Windows or *nix on them off a flash drive or solid state drive, all in the space of about the average paperback book...
     
  3. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,490
    2,832
    Jan 21, 2010
    Here is a paper on the subject. It may give you some ideas.
     
  4. vead

    vead

    473
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    Nov 27, 2011
    Is it possible to make analog voice recognition circuit
     
  5. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,490
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    Jan 21, 2010
    You mean something that doesn't use software?

    Practically... No -- unless you can find a device which will do it for you.. But even then, I'd bet it would require a microcontroller (at least) to drive it.
     
  6. vead

    vead

    473
    14
    Nov 27, 2011
    hi steve
    you mean i can make analog voice recognition circuit if i use microcontroller with circuit
     
  7. CocaCola

    CocaCola

    3,635
    5
    Apr 7, 2012
    Possibly a very very crude one that could detect bigger fluctuations... This article describes how it's done...

    http://www.geocities.ws/xxxtoytech/Stewart-91.pdf

    As I said you are much better with a single board computer that has the CPU crunching ability and storage space, but if you insist on a micro look at Microchips dsPIC chips they have some official documentation on voice recognition...
     
  8. vead

    vead

    473
    14
    Nov 27, 2011
    hi everyone
    finally i think i should use voice recognition IC but in my place HM2007 Ic is not available there is another options to replace this Ic
     
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