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What is DSD audio? How it works, where to download files, and more

Angelwars

Member
Mar 23, 2020
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0
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Good summary but DSD does not involve any samples as with PCM. The stream of 1' and 0's bits is created by the modulation of a bit clock carrier a process called Pulse Density Modulation of which DSD is specifically the 1 bit version. 1 bit PDM capture can be argued as not being digital - certainly not in the sense that PCM most definitely is.
 

ajm057

Member
Nov 21, 2020
1
0
20
Thanks for this BUT: there appear to be a number of DSD formats. Not all DACs are able to convert each of them.
DSD 64 = the basic rate - sample rate is 64 times that of a CD - this seems to be the most common DSD format available on HD TRACKS, and HighResAudio very few albums are distributed in this format.
DSD128 = Double Rate - sample rate is 128 times that of a CD - this seems to be the maximum "resolution" format generally available on HD TRACKS, and HighResAudio very few albums are distributed in this format.
DSD256 = Quad Rate = 256 times -- I found about 10 titles on HD Tracks - also see below
DSD 512 = Octa Rate = 512 times -- - also see below.
For those hunting downloadable DSD -- try NativeDSD (https://www.nativedsd.com/) - who had 289 titles in DSD512 and many more at lower resolution when I looked this morning.
 

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