How do I increase volume in a sound by index value?

Sound is stored on a computer as a series of samples. Each one is between -32768 and 32767, and there are lots of them – for high-quality sound, 44,100 samples/second. To make a sound louder, we have to make each sample bigger.

To go from this:

to this:

Just like pixels, samples can be referenced by address or index

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How do I increase red in a picture?
How do I increase red referencing each pixel by position number?
How do I increase volume in a sound?

Last modified 22 September 2016 at 8:09 pm by Mark Guzdial