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Hello!! I'm working with a c5409 TI DSP and with code composer 2.0. I have implemented a tone control filter with C. When I filter a 480Hz sin the amplitude reacts as I wish but the frequency down to 425Hz! If I increment the number of operations the frequency down more and vice versa. If I use integers the frequency down more than if I use floats. How can I optimize this filter? Ther are any type of data especified for realize fast operation (+, - and *) ? Thank you!!! PD: I don't Know anything of asembler ;) |
Implement a filter in C
Started by ●March 10, 2004
