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Digital vs Analog Volume Control, does it matter?
Stephan37
post Feb 19 2013, 20:52
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Thanks to this forum I am an recovering audiophile. It was a very humbling experience to do some double blind testing of 128kbit mps but a necessary one. The cool thing about this process is that I've come to enjoy the music again, not the sound. Thus I listen more with more enjoyment. Thanks to everybody here who have made this learning possible. I have also learned that most audio equipment is not that much different. But since my amp doesn't have a remote control I am in the market for a receiver or new amp. And I like the new features like Airplay and the like.

Now I have been reading a lot about different models etc.

What sometimes comes up is the way the volume control is made - digital vs analog.

Here are my questions:
Should I be bothered? Is one really better? Will I hear a difference?

Thanks in advance for your time!

Stephen
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knutinh
post Feb 24 2013, 13:06
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I do believe that the signal processing software in AVRs differ? There are many ways to map N channels of content to M channels of loudspeakers, and if you want room/loudspeaker correction, that is another differentiatior
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Arnold B. Kruege...
post Feb 24 2013, 14:09
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QUOTE (knutinh @ Feb 24 2013, 07:06) *
I do believe that the signal processing software in AVRs differ? There are many ways to map N channels of content to M channels of loudspeakers, and if you want room/loudspeaker correction, that is another differentiatior


Much of the DSP code might be a lot less variable than one might think. A big chunk of the DSP code has to be licensed by people like DTS and Dolby who are pretty sophisticated and careful. They appear to be the developers of much of it. It appears to be primarily distributed through chip manufacturers. Of the major AVR manufacturers, only Yamaha appears to have the technical resources to actually develop this sort of programming in depth.

One major variable among AVRs from various manufacturers and at various price levels is the automated system optimization software, IOW Audyssey, MCACC and YPAO. How this software works can reasonably expected to introduce sonic variations that are easy to reliably detect in a good level-matched, time-synched, double blind listening test. Some of those variations may even have strong random components.
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Posts in this topic
- Stephan37   Digital vs Analog Volume Control   Feb 19 2013, 20:52
- - knutinh   If it is sanely implemented and you avoid silly th...   Feb 19 2013, 21:04
- - DVDdoug   QUOTE What sometimes comes up is the way the volum...   Feb 19 2013, 21:39
- - .halverhahn   Some readings: http://www.esstech.com/PDF/digital...   Feb 19 2013, 22:39
|- - Arnold B. Krueger   QUOTE (.halverhahn @ Feb 19 2013, 16:39) ...   Feb 20 2013, 13:59
- - bennetng   Digital audio need not to convert to integer forma...   Feb 20 2013, 16:41
|- - phofman   QUOTE (bennetng @ Feb 20 2013, 17:41) Dig...   Feb 20 2013, 20:22
|- - bennetng   QUOTE (phofman @ Feb 21 2013, 03:22) QUOT...   Feb 21 2013, 01:55
|- - knutinh   QUOTE (bennetng @ Feb 21 2013, 01:55) Wha...   Feb 21 2013, 14:46
|- - bennetng   QUOTE (knutinh @ Feb 21 2013, 21:46) If y...   Feb 21 2013, 16:58
- - skamp   Relevant: C5 Headphone Amplifier QUOTE THE CHANNE...   Feb 20 2013, 21:37
- - pdq   We seem to be comparing apples and oranges. We al...   Feb 20 2013, 21:51
|- - Arnold B. Krueger   QUOTE (pdq @ Feb 20 2013, 15:51) We seem ...   Feb 20 2013, 23:31
- - Stephan37   Wow, that is some interesting stuff to read here. ...   Feb 21 2013, 20:03
|- - Arnold B. Krueger   QUOTE (Stephan37 @ Feb 21 2013, 14:03) Wo...   Feb 22 2013, 16:39
- - dhromed   Well, mine is, but not in terms of any kind of noi...   Feb 21 2013, 20:11
- - Stephan37   Actually a rather good question.... Should I avoi...   Feb 21 2013, 20:39
|- - .halverhahn   QUOTE (Stephan37 @ Feb 21 2013, 20:39) Sh...   Feb 22 2013, 00:11
|- - greynol   QUOTE (.halverhahn @ Feb 21 2013, 15:11) ...   Feb 22 2013, 01:27
|- - Arnold B. Krueger   QUOTE (greynol @ Feb 21 2013, 19:27) QUOT...   Feb 22 2013, 16:45
- - probedb   Well my AVR is perfectly fine for music. It's ...   Feb 21 2013, 21:11
- - MrEnergizer   Check out the Onkyo TX-8050   Feb 21 2013, 23:01
- - mzil   For anyone who, like me, uses their AVR volume kno...   Feb 22 2013, 04:24
|- - mzil   QUOTE (mzil @ Feb 21 2013, 22:24) The Mar...   Mar 1 2013, 01:13
- - mzil   Your B-stock RX-V371 does have a full warranty, a ...   Feb 22 2013, 17:32
|- - Arnold B. Krueger   QUOTE (mzil @ Feb 22 2013, 11:32) Your B-...   Feb 22 2013, 17:41
|- - mzil   QUOTE (Arnold B. Krueger @ Feb 22 2013, 11...   Feb 22 2013, 18:56
|- - Arnold B. Krueger   QUOTE (mzil @ Feb 22 2013, 12:56) QUOTE (...   Feb 22 2013, 21:15
- - greynol   Doubt it would fail ABX means what, exactly? Soun...   Feb 22 2013, 17:34
|- - Arnold B. Krueger   QUOTE (greynol @ Feb 22 2013, 11:34) Doub...   Feb 22 2013, 17:47
- - greynol   Thanks for the clarification. I am under the impre...   Feb 22 2013, 17:54
- - db1989   I would consider p > 0.05 to be a failed test, ...   Feb 22 2013, 18:38
|- - Arnold B. Krueger   QUOTE (db1989 @ Feb 22 2013, 12:38) I wou...   Feb 22 2013, 21:11
- - mzil   You are welcome to define "B-stock" howe...   Feb 22 2013, 22:23
- - Porcus   ... no wonder the layman thinks that statisticians...   Feb 23 2013, 02:01
- - Stephan37   Wow, thanks for all the input here. This is what ...   Feb 23 2013, 15:41
|- - Arnold B. Krueger   QUOTE (Stephan37 @ Feb 23 2013, 09:41) - ...   Feb 23 2013, 18:43
- - knutinh   I do believe that the signal processing software i...   Feb 24 2013, 13:06
- - Arnold B. Krueger   QUOTE (knutinh @ Feb 24 2013, 07:06) I do...   Feb 24 2013, 14:09
- - knutinh   QUOTE (Arnold B. Krueger @ Feb 24 2013, 14...   Mar 1 2013, 12:41
- - Arnold B. Krueger   QUOTE (knutinh @ Mar 1 2013, 06:41) As se...   Mar 1 2013, 15:22


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