brick wall filter
A low-pass filter with a steep cut-off (such as 20 dB/octave or greater), such that a negligible amount of higher frequency information passes.
Note: A brick wall filter typically has uniform group delay. [After SMPTE]
A low-pass filter with a steep cut-off (such as 20 dB/octave or greater), such that a negligible amount of higher frequency information passes.
Note: A brick wall filter typically has uniform group delay. [After SMPTE]