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Altera_Forum
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14 years ago

Quantization Problem...Help Please

Hi i'm working on a 2 Channel QMF perfect reconstruction Filter bank using a tutorial in Matlab and i'm trying to implement the design on a Cyclone II FPGA board. after setting everything up i notice...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

for some reason..it wont let me post on my own post.

well it uses a special function in matlab called firpr2chfb to create the filters. but the .45 is the passband edge, and the stopband edge is 1-.45. they use the coefficients from that design to design the interpolator and decimator. a QMF filterbank is merely suppose to reconstruct the signal u sent through it originally at it's output.