can you create a point by point chirp signal?

[antz007]

Hi David

Ive being trying to understand how your program is suppose to work but I cant figure out how the chirp array works. I tried to configure it to play sound but Ive had no luck. would you mind explaining the essence behind this generator please? I have uploaded what I have tried.

Cheers

[Tejinder_G.]

Hello,

The detailed information about how the chirp function works is found in the detailed help. Are you able to generate a sound aside from using chirp pattern?

If the sequence Y represents Chirp Pattern, the Chirp Pattern VI obtains the elements of Y using the following equation:

y_i = A*sin((0.5*a*i + b)*i)

for i = 0, 1, 2, …, n – 1

where A is amplitude,

a = 2(f2 – f1)/n,

b = 2f1,

f1 is the beginning frequency in normalized units of samples/cycle,

f2 is the ending frequency in normalized units of samples/cycle,

n is the number of samples.