[MLA] ISP distortion - real-world examples ?

[Bob Katz]

Thomas has done considerable research on intersample peaks and made 
demonstrations including listening to the S channel for the distortion.

My own research into peak distortion (especially in the third edition of 
Mastering Audio) points out that just measuring the peak does not 
describe its audibility. Researcher Jim Johnston (described in my book) 
points out that there are tonal and atonal types of peak distortion and 
if it's atonal and transient it may not be egregious to the listener. 
For example, a short snare drum overload may be completely inaudible. 
But a solo piano peak overload will be painfully audible. So you have to 
look at the whole story when evaluating the sonic problems of peak 
overloads.

Lastly, I'm not a big fan of overusing peak limiting when trying to push 
levels "to the top"....   I find that in the vast majority of cases the 
clamping effect of peak limiting beyond, say, 1 dB can be more damaging 
to the sound then just letting it clip. I'm not advocating clipping, I'm 
just saying that a sensible solution has to take all these issues into 
account.



Bob



On 6/8/16 7:18 PM, Ian Shepherd wrote:
>
> Hi All,
>
> I’ve got into a fairly lengthly discussion with Steven Slate on 
> Facebook about inter-sample peaks - the next version of the Slate FG-X 
> will detect these and allow the user to compensate, but Steven claims 
> never to have heard real-world examples of them anyway, especially on 
> modern DACs.
>
> I don’t have time to hunt through my collection to find him some 
> examples, I was wondering if any of you can suggest examples you’ve 
> come across that I can send on to him ?
>
> Ian
>
>
>
> ***
> Ian Shepherd
> Mastering Media Ltd <http://mastering-media.co.uk/> - Audio 
> Mastering, Blu-ray and DVD Excellence
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>
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-- 

If you want good sound on your album, come to Bob Katz 407-831-0233 
DIGITAL DOMAIN MASTERING STUDIO Author: *Mastering Audio *Digital Domain 
Website <http://www.digido.com/> No trees were killed in the sending of 
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