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07-11-2013 Post does not mapped to Knowledge Tree
tuga


Posts 174
Joined on 12-26-2007

Post #: 1
Post ID: 19669
Reply to: 19669
Archimago's Musings talks about digital.
fiogf49gjkf0d
If you are interested in the technical aspect of the effects that different D/AC (no-oversampling, no reconstruction filter) and cable (USB, S/PDIF, Toslink) topologies have on signals I recommend you have a look here:

http://archimago.blogspot.com

Cheers,
Ric


"Science draws the wave, poetry fills it with water" Teixeira Pascoaes
07-11-2013 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,540
Joined on 05-28-2004

Post #: 2
Post ID: 19670
Reply to: 19669
Good article, some mistakes however.
fiogf49gjkf0d
Yes, the author is very accurate in most of his observations. A few mistakes he made. When he said that “I only have a few albums verified to be sourced from an original DSD recording.” Even if the recording were made in DSD then were mastered while doing double-conversion to PCM. Also, most likely there were not 4-bit DSD but 1-bit DSD, which is just insufficient defective format. I also do not like the notion that he brought up that MP3 encoding at 320kbps need to be “compared” to “studio masters”. Sorry, the MP3 are heard and might be identified very instantly. I have hear a few commercial CD that were made from MP3 – a very first bar of listing intently give the idea that it come from digitally compressed source.

BTW, this article is not about “D/AC topologies” and I will rename the thered, I hope you “tuga” do not mind.

PS: The image he used is fenominal.


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
07-11-2013 Post does not mapped to Knowledge Tree
tuga


Posts 174
Joined on 12-26-2007

Post #: 3
Post ID: 19674
Reply to: 19670
Look into his other articles
fiogf49gjkf0d
Romy,

His website has a lot more information than that:

Do lossless compressed audio formats all sound the same?
http://archimago.blogspot.pt/2013/05/measurements-do-lossless-compressed.html

Digital Filters and Impulse Response...
http://archimago.blogspot.pt/2013/06/measurements-digital-filters-and.html

Bit-Perfect Audiophile Music Players 
http://archimago.blogspot.pt/2013/06/measurements-part-i-bit-perfect.html
http://archimago.blogspot.pt/2013/06/measurements-part-ii-bit-perfect.html
http://archimago.blogspot.pt/2013_05_01_archive.html

About Those USB Cable Tests...
http://archimago.blogspot.pt/2013/06/musings-about-those-usb-cable-tests.html

Do bit-perfect digital S/PDIF transports sound the same?
http://archimago.blogspot.pt/2013/06/measurements-do-bit-perfect-digital.html

TEAC UD-501 PCM and DSD Performance
http://archimago.blogspot.pt/2013/05/measurements-teac-ud-501-pcm-performance.html
http://archimago.blogspot.pt/2013/05/measurements-teac-ud-501-dsd-performance.html

etc.

Cheers,
Ric


"Science draws the wave, poetry fills it with water" Teixeira Pascoaes
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