Generate sound effects just with tones

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Is this possible?

I want to generate a sound effect (for example a gun shot) using only digital signals that is going to be driven by my microcontroller.

Is there any chart or something you might know that might help me?

Thanks in advance.

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Total votes: 0

Google PCM. Also thread search here for the use of both PCM and PWM. "Phase accumulator" will also make a good search term for what you want to do. "DDS" or "Direct Digital Synthesis" is worth a look too.