[Tinyos-help] how to change speaker volume of Tmote Invent

Joe Polastre joe at polastre.com
Wed May 2 14:44:18 PDT 2007


Reduce the amplitude of the signal.  Remember that sound volume is logarithmic.

-Joe

On 5/2/07, yicheng <y-jie at northwestern.edu> wrote:
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> Hi Folks,
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>
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> I have a piece of wave data stored in Tmote (about 8k bytes), I need to
> dynamically change its volume (by software) when it's being played through
> the speaker. Can someone tell me how to do it?
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> Thanks!
>
> Yicheng
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>
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