Wanted: Sound chip interfaced with pic


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  1. #1
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    Quote Originally Posted by skimask View Post
    Looks in the manual for SOUND. You want white noise to make that sort of sound.
    Worst case you end up with a dedicated, pin triggered PIC (might even run on a 10F200) making sound connected to an amplifier.
    no. white noise sucks.
    i need good quality audio chip.
    there is somrting called quickvoice...

  2. #2
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    Quote Originally Posted by xnihilo View Post
    no. white noise sucks.
    i need good quality audio chip.
    there is somrting called quickvoice...
    Gunshot noise IS white noise! It's all in how you manipulate the envelope.

    whatever...

  3. #3
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    But it is a laser gunshot...those are typically more melodious than white noise.

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    Quote Originally Posted by tenaja View Post
    But it is a laser gunshot...those are typically more melodious than white noise.
    Yep, I smell what you're cooking. All that 'white' noise from the SOUND command has a LOAD of harmonics in it being square waves and all. Could probably roll that pitch value up and down fairly nicely to get that sort of sound.

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    If you do it right you can even use the internal DAC to generate just about any sound.

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    Quote Originally Posted by PJALM View Post
    If you do it right you can even use the internal DAC to generate just about any sound.
    Internal DAC? Which PIC has one of those?

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    Quikvoice from eletech.com is an audio chip that van be connected to EPROM (and what about EEPROM) which contains the data. Triggering the right pin will run the play sequence.
    It could be easily interfaced with a pic.
    Problem is it is a proprietary format that needs special software and hardware.
    I need a stuff like the sound chip found in audio greeting cards...

  8. #8
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    Quote Originally Posted by skimask View Post
    Internal DAC? Which PIC has one of those?
    Sorry, was thinking of the dsPICs, I use quite a few that have internal 16bit Audio DACs.

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