[PD] Normaliizing sinus mix
João Pais
jmmmpais at gmail.com
Mon Apr 30 10:25:39 CEST 2018
Hi William,
> Hi Joao, you need to find the peak amplitude, max(abs(x)), and divide
> all samples by that.
I'm not sure: if I use the amplitudes 1 0.5 0.25, the peak amplitude is 1,
and the wave is clearly outside of the 1/-1 boundaries.
Basically what I'm trying to do is to find out what is the formula that
does the "normalize" function.
Best,
Joao
> On Apr 29, 2018 7:55 PM, "João Pais" <jmmmpais at gmail.com> wrote:
>> Hello list,
>>
>> I was curious about the following math issue: when defining a waveform
>> using "sinesum 0.8 0.2 0.1", what would be the formula to normalize the
>> wave to 1?
>> I tried adding all the values (=1.1 in this case), getting the inverse
>> value and multiplying the list with that. Although the sum of the
>> values is 1, the resulting wave isn't normalized to 1 the same way the
>> "normalize 1" command would do it. So I imagine some higher math is
>> required?
>>
>> Also, is the process the same if the wave components are harmonic or
>> not (that is, multiples of the base frequency)?
>>
>> Best,
>>
>> jmmmp
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