back and forth with welch, the volume doesnt stay the same

<-- pad filling A

punchout_tukey(3/0.7/0.9);rectangle;bartlett_hann;triangle;punchout_tukey(3/0.7/0.9);bartlett_hann;triangle;rectangle;punchout_tukey(3/0.7/0.9);triangle;rectangle;bartlett_hann;punchout_tukey(3/0.7/0.9);bartlett_hann;rectangle;triangle;punchout_tukey(3/0.7/0.9);triangle;bartlett_hann;rectangle

<-- pad filling B

punchout_tukey(3/0.7/0.9);flattop;blackman;nuttall;punchout_tukey(3/0.7/0.9);blackman;nuttall;flattop;punchout_tukey(3/0.7/0.9);flattop;nuttall;blackman;punchout_tukey(3/0.7/0.9);welch;nuttall;kaiser_bessel;punchout_tukey(3/0.7/0.9);nuttall;kaiser_bessel;welch;punchout_tukey(3/0.7/0.9);kaiser_bessel;welch;nuttall

(full round)

punchout_tukey(3/0.7/0.9);rectangle;bartlett_hann;triangle;punchout_tukey(3/0.7/0.9);bartlett_hann;triangle;rectangle;punchout_tukey(3/0.7/0.9);triangle;rectangle;bartlett_hann;punchout_tukey(3/0.7/0.9);bartlett_hann;rectangle;triangle;punchout_tukey(3/0.7/0.9);triangle;bartlett_hann;rectangle;punchout_tukey(3/0.7/0.9);flattop;blackman;nuttall;punchout_tukey(3/0.7/0.9);blackman;nuttall;flattop;punchout_tukey(3/0.7/0.9);flattop;nuttall;blackman;punchout_tukey(3/0.7/0.9);welch;nuttall;kaiser_bessel;punchout_tukey(3/0.7/0.9);nuttall;kaiser_bessel;welch;punchout_tukey(3/0.7/0.9);kaiser_bessel;welch;nuttall