Dither in Album Publishing

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Silas
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Dither in Album Publishing

Postby Silas » Mon Jun 17, 2019 19:40

Hello to All,

Quick question - Pow-R Dither is not available in Album Publishing but only in the mix bus, correct? Any idea why not?

Thanks,
Silas
Silas Brown
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Perfect Record
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Re: Dither in Album Publishing

Postby Perfect Record » Tue Jun 18, 2019 04:27

Good point. When possible, I only use Pow-r.
The other thing I'm hazy about in Album Publishing is whether dither is a separate process following sample frequency conversion.

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fl
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Re: Dither in Album Publishing

Postby fl » Tue Jun 18, 2019 17:32

Remember that Album publishing is a two step process. The first step, when you choose "Digital Release" as the output in the "Generate CD Image/SACD Edited Master" window, is the generation of a single "master" MTFF file which is used as the source for all subsequent generations (to FLAC, MP3, etc.).

Dither will only applied at this first stage if there is going to be sample rate/word length changes and then the final product generated, as would be the case when you choose to output a "Redbook CD Image" to make a 16/44 PMI file for CD burning/DDP creation. When you choose to make a "Digital Release", the Dithering options are unavailable, and the manual suggests that any dithering options you set on the Mixer's main output Bus will be ignored, so you will generate an undithered 24 bit MTFF at the same sample rate as your Project. Remember that you only want to dither your output once, at the final stage, which in the case of a Digital Release, is not yet.

It's only when you proceed to the second, or "Album Publishing" window that you get the opportunity to choose the dither settings for each of the output formats you select. If you choose to make an output set of 44/16 WAV files, you'll be able to specify the dithering options for this particular set of files. In this way, it's possible to make more than one set of the same file type, such as a set of 96/24 FLACs - AND - a set of 44/16 FLAC files, each with the appropriate amount and "bittedness" of dithering. Look in the manual starting on page 618, but especially on pages 622-3.

If you're clever with the use of the "\" character and the wild cards when you are setting the output destination for your published files on the second or "Album Publishing' page, you can wind up with separate appropriately named folders and files for each of your file sets. An example would be to output to

Y:\(name of Project File Folder)\Published Files\<DiscTitle> <FileFormat> <SampRate>-<Wordlength>\## <TrackTitle> >FileFormat> <SampRate>-<Wordlength>

Which would yield a folder named something like
"Disintegration FLAC 44-16"
which contains a number of numbered files including
"01 Plainsong FLAC 44-16.flac"
and so on. It was a happy day when I learned about this.

It's my guess that the omission of Pow-R here is because only until recently it was a separate, paid upgrade to the main program, and was probably only implemented in the Mixer Bus structure. It's possible that adding it to the Publishing could entail an additional licensing cost which Merging is reluctant to incur, or maybe they just haven't gotten around to making this addition. Perhaps some encouragement or inquiry directed to Merging support would be in order, or at the very least, to the Pyramix Suggestions forum. On the other hand, Pyramix's Apodizing Dither, shaped or not, is as good as it gets.
Frank Lockwood, Toronto, ON, Canada
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Perfect Record
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Re: Dither in Album Publishing

Postby Perfect Record » Tue Jun 18, 2019 17:41

A good reply Frank, but it only glances at the question at hand, and what I'm wondering about.

Yes, the lack of Pow-r in album publishing matters. And what I'm pondering is whether Pyramix completes the SFC, then applies unspecified dither?

I'm very fussy about dither and SFC. Fortunately Pyramix SFC is the best I've heard thus far.

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fl
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Re: Dither in Album Publishing

Postby fl » Tue Jun 18, 2019 18:02

I'm just assuming that Dither is always applied as the final process, so in this case, after any and all word length and sample rate conversion.
Frank Lockwood, Toronto, ON, Canada
http://LockwoodARS.com
• Pyramix Native 11.1.6
• Mac Mini 6.2 (Quadcore i7) - Bootcamp 5.1.5621 - Win7 Pro SP1 64
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