[sdiy] Digital VS Analog waves and perceived bass content?

[megaohm]

How 'bout when you pass them through a LPF?
What I mean is maybe all of them have the same bass but some of them
have more high frequency content with it.

p.


On Sun, Oct 3, 2010 at 10:46 AM, mike ruberto <somnium7 at gmail.com> wrote:
> Has anybody done a paper on this topic that I can look up? Is there
> any hard data available concerning the harmonic content of digitally
> produced waves verses analog waves?
>
> Another of my arbitrary and hokey experiments came up with these
> results. Yes, probably flawed and totally subjective but there must be
> something to it.
>
> Casio CZ-1 - Perceived bass level is decent but not very strong.
> Kawai K3  - Perceived bass level is weak with most waveforms (VCF
> open). Decent with a few waveforms.
> Blacet Miniwave - Perceived bass level is weak with all waveforms.
> Crumar DS-2 - Perceived bass level is weak with all waveforms (VCF open).
>
> Chroma Polaris - Perceived bass level is consistently strong (VCF open).
> Korg 700 - Perceived bass level is consistently strong (VCF open).
> Modular synth VCO - Perceived bass level is consistently strong.
> Concertmate MG-1 - Perceived bass level is consistently strong (VCF open).
>
> I guess there is the possibility of cumulative high pass rolloff due
> to coupling capacitors throughout the systems. However with the
> modular stuff and the Miniwave the audio path was mostly DC coupled.
>
> While it appears to me that digitally produced waves are lacking in
> bass I am open to other possibilities and looking for real data to
> confirm or disprove the notion. I do not have the time or equipment to
> perform any serious experiments in this regard.
>
> Thanks
>
> Mike
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