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In Reply to: RE: slow/fast roll-off filters pre-ringing in real world? posted by Todd Krieger on July 19, 2015 at 17:33:24
Hi Mr. Krieger,
i have a question about filters.
It is quite clear to me that digital filters have an impact on sound quality, and maybe often a negative impact.
I read that SACD allows for the use of analog filters.
I know that you are against upsampling ... but could it be that upsampling the cds to sacd format the benefits of using analog filters could be superior to the drawbacks of the upsampling process ?
Just thinking.
I read also that SACDs tend to sound a little flat and undynamic, but quite natural. For me this should be a priority.
I like natural e not synthesized sounds ... natural to me means real.
Many chips these days i guess upsample cds to sacd ... but i am not sure.
Thanks a lot.
Kind regards,
bg
Edits: 07/21/15Follow Ups:
i have a question about filters.
"It is quite clear to me that digital filters have an impact on sound quality, and maybe often a negative impact."
It even depends on the recording as well.....
"I read that SACD allows for the use of analog filters."
Actually any digital medium allows for that.......
"I know that you are against upsampling ... but could it be that upsampling the cds to sacd format the benefits of using analog filters could be superior to the drawbacks of the upsampling process ?"
Upsampling implies the use of digital filters.... They're inseparable. Although analog filters can still be used as "post filters", after the upsampling conversion.
If the CD is upsampled via DSD (which I think is compatible w SACD conversion), it's synchronous.... The upsampling I don't like is "asynchronous" conversion, where the conversion is prone to jitter and noise artifacts becoming embedded into the signal. DSD does not have this problem. (Remember, your resolution for CD playback is still 16/44, no matter how it's upconverted.)
"I read also that SACDs tend to sound a little flat and undynamic, but quite natural. For me this should be a priority."
Whatever works.... I don't like SACDs because they become unbearable after 10 minutes of listening.........
"I like natural e not synthesized sounds ... natural to me means real.
Many chips these days i guess upsample cds to sacd ... but i am not sure."
Unless it's a DSD conversion, I don't think it "upsamples to SACD".... But then again, I personally wouldn't want it "upsampled to SACD".... The end result is the disadvantages of both CD and SACD (CD resolution with extra RFI), with the advantages of neither.......
Hi and thanks a lot Mr. Krieger for the very valuable advice.
I am quite ignorant.
Could it be that " synchronous DSD conversion " of CDs may have some potential for natural and good sound ?
I like sound relaxed but with detail.
I am mostly interested in CDs and maybe 16/48 files. Because i heard nice sounds also from some cd players. Today i am mainly interested in dacs because i am using more various types of streamers (i.e. Squezeebox and the like).
Thanks a lot again.
Kind regards,
bg
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