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How can a sound file be played out at 100dB and 21-40 kHz only?

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#54917

How can a sound file be played out at 100dB and 21-40 kHz only? | 30 May, 2008

Is it possible to hook up a computer or tape player to an amplifier and achieve this? And how about an electronic circuit design for such a device? Hint: This would be a dog barking control product. The current products on the market in this category are ineffective and i believe i have a better idea.

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#54968

How can a sound file be played out at 100dB and 21-40 kHz only? | 3 June, 2008

Your circuit would consist of: * White noise generator * ~30Khz bandpass filter * Amplifier * Power supply

You can find modules for these functions on the web. Good luck.

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