yes i wholeheartedly agree. ripple/ringing/Gibbs is part of the definition of bandlimited filtering, from the LPF to the ADC/DAC to even contributing to the sound of the piece of gear
On Wed, Jun 24, 2020 at 5:03 PM Greg Maxwell <gmaxw...@gmail.com> wrote: > On Wed, Jun 24, 2020 at 8:56 PM Zhiguang Zhang <ericzh...@gmail.com> > wrote: > > the Gibbs "nastiness' is ever present in both hardware and software > implementations. It's just there in the underlying physics of sampling > theory, even in the analog domain it seems :) > > It's not really related to sampling. A bandlimited analog continuous > time signal has 'ringing'-- it's part of the definition of being band > limited. Sometimes in the sampled context the ringing is hidden > between the samples, but will show up in the analog reconstruction or > after correct digital processing that applies a fractional sample > phase shift. > _______________________________________________ > dupswapdrop: music-dsp mailing list > music-dsp@music.columbia.edu > > https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.columbia.edu_mailman_listinfo_music-2Ddsp&d=DwICAg&c=slrrB7dE8n7gBJbeO0g-IQ&r=w_CiiFx8eb9uUtrPcg7_DA&m=0xDLIjvZU2F6dH2jcRhPl9jK20T5a7L2dv2NFOy-VOE&s=J8iVA8e10vzQacphzhAtnRB-mgteKA9jf7ivlvG3Rqw&e= >
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