audio signal sampled data processing

How do I do operations on audio signal sampled data? For ex. I want to double the amplitude of audio data(multiply the data by 2)

3 Comments

Double to relative amplitude? Or double the pressure?
double the pressure
The back of my memory is saying that pressure is proportional to amplitude squared; if so then multiply by sqrt(2). I could easily be wrong on the relationship.

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Asked:

on 17 Nov 2013

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on 19 Nov 2013

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