buf = zeros(1, 22050);

for i = 1:300;
    index = i * 2000;
    val = 1/i;

    while (index > 22050) || (index < 1)
        if (index > 22050)
            index = 22050*2 - index;
        end
        if (index <= 0)
            index = -index;
        end
    end
    buf(index) = buf(index) + val;


end

plot(buf)