I need to make a swishing sound to sync to a swinging pendulum. Anyone have
code to generate this type of sound effect?
Thanks
Larry


At 06:50 PM 10/15/01 -0400, you wrote:
>At 8:16 AM -0400 10/15/01, Olin Lathrop wrote:
>
>lots of great stuff...thanks tons!
>
>>
>>>  It needs to be small (one inch diameter or
>>  > less...flat-ish).
>>
>>This is completely at odds with your earlier statement of "high quality"
>>sound.  You need to quantify what frequency range you ar talking about.  You
>>can pretty much forget about frequencies below 1KHz for anything as small as
>>1 inch accross.
>>
>>>  Most Piezo sound devices seem to be more like preset buzzers, but I
>>>  like the idea of using a Piezo element.
>>
>>Piezos have very peaked frequency response, and aren't usually meant for
>>reproducing arbitrary sound.  You will need a magnetic device, and will have
>>to decide whether you want small size or high quality sound.  You aren't
>>going to get both.
>
>Understood.  I guess I meant "high quality" relative to sound
>elements found in toys, typical PIC robot projects, and the like.  A
>speaker perhaps a cut above what I could find at the typical Radio
>Shack (or am I being unfair to RS here?).
>
>For this project the sounds will have no bass...they are high and
>mid-high pitched sounds.  But I would like the upper harmonics to be
>there.
>So I guess I am looking for a small speaker that can be mounted on a
>circuit board, but wouldn't be too shabby as a tweeter in a low power
>speaker.
>
>Phil
>
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>
>
Larry G. Nelson Sr.
mailto:L.Nelson@ieee.org
http://www.ultranet.com/~nr

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