More > JRiver Media Center 31 for Windows

[Feature Requests] Audio Path improvements, DSD to PCM conversions, etc.

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dtc:

--- Quote from: Hendrik on July 08, 2023, 01:22:45 pm ---
As I outlined above, to MC there is no difference if a file was DSD64 or 352.8 PCM, as the same exact data is coming out of the input reader.

--- End quote ---

Hendrik - You are stating how the internal code works. I understand that. Unfortunately, it does not actually do what the user interface would indicate, which creates a problem for the user. The idea is to change the code to correspond to what the user is expecting from the user interface, and to improve the user interface to cover all DSD sample rates. I understand that is a code change, but the current situation is, at best, confusing, and, at worst, just wrong.  This is a long standing issue.  It really would be nice to get it addressed.

Hendrik:
What about the suggestion to just make it clear in the sample rate box then, so you dont have to know, just to read?

I would rather not redesign parts of the core audio engine only because some UI is confusing, when we can rather just amend the UI. Core changes just add complexity, ambiguity and potential for breakage that doesn't have to exist, and would need to be absolutely warranted.

Awesome Donkey:

--- Quote from: dtc on July 08, 2023, 01:12:58 pm ---but it seems like the end result should follow the sample rate that the user inputs  without having to know about the behind the scene 1/8 conversion process. Most new users simply do not understand the process.
--- End quote ---

And this was kinda getting me too, because I never do DSD to PCM conversions, so I didn't really know about it until I started testing it and noticing things.

For example like the Downsample 8x for DSD to PCM conversion part, in my screenshot above it doesn't say this in Audio Path at all. I assume it's actually doing a DSD to PCM conversion (via the input and output data shown) but it's simply not showing that message in Audio Path? Or is it not supposed to? It's confusing there, as it's only after I use Output Format > Sample Rate to change 352.8 kHz to 88.2 kHz that it finally says Downsample 8x for DSD to PCM conversion in the Audio Path. Shouldn't it always say it regardless if a DSD to PCM conversion is happening? That's what I'm confused about here, having it there would at least indicate there's a DSD to PCM conversion happening. For me, I can tell by looking at the input and output, but for most users they wouldn't have a clue if it's happening looking at it this way.

Hendrik:
You are right, the Downsample 8x thing is only showing up when its also resampling, thats clearly a bug. I'll fix that and also reword it to include the source and destination rate, as per your suggestion.

Hendrik:
How about this?



Edit:
Actually I moved it straight to the top of the audio path, as it makes more sense to have the low-pass line below it, and it definitely happens first as well.

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