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single chip music player

Discussion in 'Electronic Basics' started by Chris W, Sep 6, 2005.

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  1. Chris W

    Chris W Guest

    I am trying to help a friend find a chip that I suspect doesn't exist
    but I have to give it a try. He wants a simple circuit that will play a
    single song when a button is pressed (I have no idea why). I have found
    a few voice recorder type chips that will do it that simply but they
    don't have enough run time and the sound quality is low. Other than
    that all I have found requires some kind of microprocessor and often
    even a separate flash memory interface. Which all seems over kill way
    to complex for the the stated purpose. Anyone know of any thing that
    will fit the bill?

    --
    Chris W

    Gift Giving Made Easy
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  2. vic

    vic Guest


    Look at the UM66. It can play simple melodies like "happy birthday",
    it's used in greeting cards and such. It comes in a T092 packages and
    can drive directly a piezo transducer or a speaker with a transistor.

    vic
     
  3. Jasen Betts

    Jasen Betts Guest

    there are available music chips that have factory programmed tunes in them.
    Greensleeves, merry christmas, etc...

    But if you want to chose the tune yourself you need a microprocessor of some
    sort. I found that 2K of rom was suffuicient.

    most small micros have a PWM output that can be used if you don't want to
    go to the effort of making an R-2R divider for the DAC...

    here's one I prepared earlier :)

    http://geocities.com/jasen_betts/polyphonic/index.html

    Bye.
    Jasen
     
  4. Richard

    Richard Guest

    Look at some of the ISD chips
     
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