For an excellent explanation of the problem of intersample overs, I recommend John Siau's article:

https://benchmarkmedia.com/blogs/application_notes/intersample-overs-in-cd-recordings

John is the VP and Director of Engineering at Benchmark. He explains how this problem occurs in the reconstruction filters in over-sampling D/A converters, and notes that the maximum peak above 0 is 3.01 dB. Benchmark is one of the few companies that has addressed this issue in their D/A converters.

Best,
Gary

____________________________

Gary Galo
Audio Engineer Emeritus
The Crane School of Music
SUNY at Potsdam, NY 13676

"Great art presupposes the alert mind of the educated listener."
Arnold Schoenberg

"A true artist doesn't want to be admired, he wants to be believed."
Igor Markevitch

-----Original Message-----
From: Association for Recorded Sound Discussion List [mailto:[log in to unmask]] On Behalf Of Goran Finnberg [log in to unmask]
Sent: Monday, March 05, 2018 12:56 PM
To: [log in to unmask]
Subject: [ARSCLIST] RX5, etc.

Jamie Howarth:

>how interstitial clips can and do happen and suggested a margin of
>1.1db below full scale when normalizing.

I use an oversampling peak meter that gives the exact true peak level.

Using a limiter that is NOT oversampling = cannot detect interstitial clips I see regularly peaks going 2-3 dB above the 0 dB F/S max level.

While the nonoversampling meter only shows -0.1 dB F/S that the nonoversampling limiter was set too.

If you can live with that fine but I prefer to use a true oversampling peak limiter to get the levels accurate.


Best regards,

Goran Finnberg
The Mastering Room AB
Goteborg
Sweden

E-mail: [log in to unmask]

Learn from the mistakes of others, you can never live long enough to
make them all yourself.    -   John Luther

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