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RE: "Bits of resolution"

You seem to have commingled two types of definitions, colloquial and scientific.

> > Resolution: A systems ability to reproduce fine detail.

Sounds like a colloquial definition. I cannot comment on this as I am not certain of your definition of 'fine detail', what is it?

> > Dynamic range: Difference between noise floor and possible max output before overload.

This is reasonably strick definition of SNR but not for dynamic range as the dynamic range can exceed the SNR at the cost of higher distortion.

> > However in digital (disregarding DSD) noise floor is related to bit depth and bit depth determines largely the resolution as well (so does sampling rate to some extent).

Actually, this is incorrect as DSD is simply an extreme case of a fairly common digital phenomenon. Here the term "Effective Number of bits (ENOB)" determines the SNR rather than the actual number of bits.


> > A cutting head is a mechanical devise as such its resolution is directly related to how fast it can react. The speed of reaction also determines upper frequency limit. Thus in case of a cutting head the upper frequency limit is linked to its resolution.

Looks like you are referring to frequency resolution i.e. bandwidth. In otherwords, LPs have arguably greater frequency extension than CD. It's huge stretch to you use this to explain an LP's ability to resolve signal below the noise floor though.

Music making the painting, recording it the photograph


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