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Topic: Origins of MPC 1.95z67 source code on Github ? (Read 738 times) previous topic - next topic
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Origins of MPC 1.95z67 source code on Github ?

Hi, just wondering if anyone knows the origins of this source code on Github ?
https://github.com/ralph-irving/musepack
MPC codec 1.95z67

I've had a look through, and it seems to contain a more up to date  version of some things, and very much work in progress in places, but it seems like an evolution of the source on the Musepack site for the 1.16 encoder..

The main things I'm curious about are the results of the Psychoacoustic modifications, to having 1 analysis windows per sub-frame, withthe familiar 256 sized transient analysis, but now with ultra-short 64 sized transient analysis as well, and also curous about the idea behind the noise compensation in the quantiser, the 2D one in particular, though in the current code it was disabled, so I wonder..

Does anyone know where this came from ? Is it some FK later code ?
Just a very curious bunny :)

Re: Origins of MPC 1.95z67 source code on Github ?

Reply #1 –
There's a couple of mentions of this version on this forum, e.g.

https://hydrogenaud.io/index.php/topic,20777.0.html
Quote
get musepack-1.95z67.zip (from my http)
i got this pack from case before his page went offline (i dunno if it was on his http server...)

https://hydrogenaud.io/index.php/topic,29607.0.html
Quote
mirror here of 1.95z67 changelog here containing:
wayback machine to the changelog link: https://web.archive.org/web/20050309034532/http://xmixahlx.dyndns.org/audio/files/linux/musepack/klemm/INFO
 

Re: Origins of MPC 1.95z67 source code on Github ?

Reply #2 –
Ah, brilliant, thank you! That explains a lot of its origins..