joel:
Regarding the selection of different filters, that shouldn’t be a surprise, because (a) it’s public information that the mastering engineer has options in the encoding, and (b) Bob has always said that MQA is an end-to-end process. My take on this is that, if you encode a track one way, you need to select the appropriate filter during final unfold and rendering.
These large filters selection have a varying sound quality otherwise they wouldn’t have built-in the first place! With such a large variations which one actually sound the closest to the original performance? We don’t know, but I suspect these filters are trying to match the type of music contents out there. There’s more to come but we are getting there, which is good.
Jeff_C
June 26, 2017, 2:45pm
1918
The same applies to pre-ringing. It is my understanding that there is little to no evidence that it is audible. I agree that it is better if it can be removed but why trade one supposedly inaudible problem for another.
joel
June 26, 2017, 6:27pm
1919
Actually Jeff, I thought that the audibility of pre-ringing was pretty much consensus and non-controversial in audiophile/Hi-Fi circles!
If the consensus is non controversial in just audiophile/Hi-Fi circles, then that does not provide much substantiation. Audiophiles have been “hearing” digital playback artifacts since 1983.
http://www.bostonaudiosociety.org/bas_speaker/abx_testing2.htm
AJ
1 Like
wklie
(Peter Lie)
June 27, 2017, 1:26am
1921
While we are discussing ringing, here’s another manufacturer’s opinion regarding Linear vs Minimum phase (which affects the ringing):
We enjoy talking with you and answering your questions about Ayre products. We find that phone conversations are much faster and more efficient at answering your question than typing emails, please feel free to give us a call.
Est. reading time: 1 minute
Minimum Phase being the default for Roon must also imply something:
Hi everyone!
A new release of Roon, Roon Server, and Roon Bridge is now rolling out to all platforms.
The release includes some new DSP functionality, as well as a number of bug fixes and performance improvements, all of which is detailed below.
New DSP Functionality
The DSP functionality we are releasing today closes up a lot of loose ends that didn’t quite make it into 1.3, and also addresses some feedback that we’ve received since.
Support for DSD512 and 768kHz output for devices that su…
It’s also interesting to count the votes for Linear and Minimum phase in this thread:
AVRs tend to have lower-end SDM-based DACs (and lots of them to support all of those surround channels and extra zones). I would try targeting their highest supported rate first.
44.1 multiples only atm
7th order is empirically more processor intensive than 5th order. It does more arithmetic operations per sample. It’s technically more accurate, and has a lower noise floor.
That said, most of the CPU load involved in DSD upsampling is not in the SDM–it’s in the PCM-domain upsampling stage …
It’s been almost a day and nobody has posted about MQA. Has it become another failed format?
2 Likes
adamus
June 28, 2017, 1:39pm
1923
all formats will fail. Audiophiles and the next big thing
andybob
(Andrew Cox)
June 28, 2017, 2:18pm
1924
Jaded palates. All a man really needs is an 8 track cartridge player with “Hooked on Classics” on continual play.
2 Likes
adamus
June 28, 2017, 2:40pm
1925
yep and the wife is happy with the cute Bluesound pulse (2)
1 Like
danny
(Danny Dulai)
June 28, 2017, 4:26pm
1926
now that we’ve created an MQA section, this thread can die.
2 Likes