Is Bit Perfect DSD possible through Foobar2000 to Topping D50iii

[Chrispy]

Most of my SACD's sound noticeably better than the original CD and Tidal's dynamically compressed supposedly high definition streams.

Not my experience, mostly I just gather multich SACD for the availability of the format, not the medium.

ps Sometimes better production values have been attributed to SACD re-releases, tho.

 

[Scytales]

Not my experience, mostly I just gather multich SACD for the availability of the format, not the medium.

ps Sometimes better production values have been attributed to SACD re-releases, tho.

A propos, the production value of multichannel SACDs, there is this outstanding information that M. Janssen has disclosed in his aforementioned thesis (page 94):

What M. Janssen says is that high performance digital delta-sigma modulators (DSM)* used to produce the first generation SA-CD masters had the inconvenient effect of generated bit-streams that were less efficiently losslessly compressed with Philips's DST algorithm. That led to problems at the mastering stage to get adequate playing time when DST was used.

However, while the use of DST is optional for the stereo content of an SACD, it is mandatory for the multichannel content. Therefore, to avoid problems due to less efficient data compression rates, the high-quality bit-streams generated by high-performance first generation modulators often had to be remodulated by less good modulators, which nevertheless produced bit-streams that were easier to data compress without loss.

The new digital DSMs that are at the heart of Mr. Janssen's thesis were designed specifically to solve this problem and avoid the need for (re)modulation by lower-quality DSMs.


*High performance in the sense that the application of dither decreases harmonic distortion at the output of the modulator.

 

[Redacted]

Surely, dead and buried?