Re: logic problem. adding sine wave pattern to dynamic float
Re: logic problem. adding sine wave pattern to dynamic float
- Subject: Re: logic problem. adding sine wave pattern to dynamic float
- From: Chunk 1978 <email@hidden>
- Date: Sat, 6 Feb 2010 08:21:34 -0500
*renters with damaged heat shields*
sorry, once again. i've posted this to stackoverflow here:
http://stackoverflow.com/questions/2212275/compensating-for-value-change-while-changing-value
On Fri, Feb 5, 2010 at 4:55 PM, Graham Cox <email@hidden> wrote:
>
> On 06/02/2010, at 1:02 AM, Chunk 1978 wrote:
>
>> help would be greatly appreciated.
>
>
> Vibrato is Frequency Modulation. The general formula for that is:
>
> y(t) = A * sin( 2 * π * fc * t + I * sin( 2 * π * fm * t))
>
> Where fc is the 'carrier' or signal being modulated and fm is the modulation. A is the overall amplitude and I is the modulation index or amplitude of the modulation.
>
> --Graham
>
>
>
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