More > JRiver Media Center 23 for Windows

Clip Protection vs. Flatline

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harlington:
^^ Thanks. Is there a reason not using jriver dilthering?

RD James:

--- Quote from: harlington on November 30, 2018, 06:29:02 pm ---^^ Thanks. Is there a reason not using jriver dilthering?

--- End quote ---
It will distort with volume or DSP changes.

Hendrik:

--- Quote from: RD James on December 01, 2018, 03:04:57 am ---It will distort with volume or DSP changes.

--- End quote ---

Thats quite the misrepresentation. The dithering doesn't distort or cause distortions. The distortions are in the original signal and come from quantization. Dithering hides them by adding noise, some add stronger noise and hide more distortions, some use weaker noise and let minor distortions through. But both of those effects (noise and distortions) are at extremely low volume levels.

RD James:

--- Quote from: Hendrik on December 01, 2018, 03:15:33 am ---Thats quite the misrepresentation. The dithering doesn't distort or cause distortions. The distortions are in the original signal and come from quantization. Dithering hides them by adding noise, some add stronger noise and hide more distortions, some use weaker noise and let minor distortions through. But both of those effects (noise and distortions) are at extremely low volume levels.

--- End quote ---
A proper TPDF implementation (full strength) does not allow for distortion. RPDF can only reduce distortion, not eliminate it.
The analog-like noise from TPDF dither is vastly preferable to digital distortion.
 
Severity of distortion increases the lower the volume is, but it distorts at all levels.
TPDF should be the default in Media Center, while "bit exact" dither should be renamed if not removed, as the name is misleading - it implies that it is the higher quality option.
 
Perhaps a new "auto" setting that uses "bit exact" dither when playback is at 100% volume with no DSP, and TPDF under all other conditions would work as a default?

B999B:
Hey, My apologies to dig up an old thread but I would like some clarification please. Made an account just for this.

I use an add on called PKHarmonic in DSP to add Harmonic Distortion, specifically H2 and H4 at -110 dB and -130 dB respectively. Would changing to TPDF Dithering affect this at all? Or should I keep using JRiver Bit-Exact Dithering?

Thank you!

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