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Digital chat |
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morris_minor
Moderator Group Joined: 27 Mar 2012 Location: Surrey Status: Offline Points: 6015 |
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I feel the bit depth is more critical than the sampling rate, but agree that rips playing back at redbook standards often aren't quite "there". . Of course YMMV - and it mostly does, which is why on hi-fi forums globally this same subject is endlessly debated!
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Bob
Majestic DAC/pre-amp Accession MC/Enigma, Accession MM, Reflex M, Elevator EXP, Era Gold V Solo ULDE, Novo, Lautus USB and digital, Libran balanced, CuSat50 2 x Proprius + Spatia/Spatia Links |
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discrete badger
Senior Member Joined: 14 Jul 2009 Status: Offline Points: 479 |
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I agree. Bob Stuart mentioned in an interview an opinion along the lines that 16/44.1 isn't quite good enough SQ for consumer audio and if only CD had been at something like 20/56 then there would never have been any need for the hi-res formats. Fast forward on a few decades with much greater ability for cheap storage and I think you can argue that 24/96 is an "improved" version of that kind of level - a de facto "next step up" from CD quality. 24/192, argue a few, is just a numbers game. The other point is that all of the DAC chips and USB receivers that Graham would consider putting in his box would likely support 24/96 with no extra costs over 16/44.1. The extra complications perhaps come with 24/192. Also I think that you don't have to subscribe to the "numbers game" in order to sell a few DACs to those who do!
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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8960 |
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24 bit depth/word length is better than 16 or squeezing 18 bits. 96kHz sampling would be fine for me.
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Jon
Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC. |
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discrete badger
Senior Member Joined: 14 Jul 2009 Status: Offline Points: 479 |
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I found the interview. Very interesting and relevant. Obviously there is some promotion of his products but much that pertains to digital audio in general and the question of bit depth / sample rates. |
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ServerBaboon
Senior Member Joined: 16 Jan 2008 Location: NW England Status: Offline Points: 968 |
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I wonder if some this digital chat should be moved to a separate thread as its swamping the original thread.
Edited by ServerBaboon - 26 Apr 2012 at 9:21pm |
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Steve
------------- Various bits of GSP Kit ..well two so far, unless you count the cables that is. |
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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8960 |
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Thanks discretebadger. It's an interesting article and does promote the approach of his company to making the most of CD sound as well as HD audio.
And this is a good thread. [originally from "Suggestion List 2012"] Edited by Fatmangolf - 26 Apr 2012 at 9:42pm |
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Jon
Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC. |
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morris_minor
Moderator Group Joined: 27 Mar 2012 Location: Surrey Status: Offline Points: 6015 |
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Thinking about sample rates etc, is this a good analogy:
Movie film (the roll in a can type, not a memory card!) - The film stock could equate to the bit rate. In still-photography terms (I don't know names of movie film stock) 44.1kHz=Kodak Ektachrome 200 (a good all-rounder, a bit grainy, can be washed out if not careful). 96kHz=Kodachrome 64 (fine grain, saturated colours), 192kHz=Kodachrome 25 (ultra fine grain, holographic images). The differences in film stock are quite apparent - though you need a good eye to tell Kodachrome 25 and 64 apart. The frames-per-second of movie film could equate to the sample rate. 10fps=jerky movement - we can see movement is not continuous. 25fps=smooth movement - no apparent separation between frames. 50fps=smooth movement - also no apparent separation between frames. Our eye/brain mechanism can perceive no difference in frames per second once this goes over a certain rate. But the quality of the image will vary with the film stock. Does our ear/brain mechanism treat sound the same way? High bit rate=fine grain=more detail. High sampling frequency=fps=smooth or not - once over a certain limit we perceive no difference. <over to you>Discuss ! </>
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Bob
Majestic DAC/pre-amp Accession MC/Enigma, Accession MM, Reflex M, Elevator EXP, Era Gold V Solo ULDE, Novo, Lautus USB and digital, Libran balanced, CuSat50 2 x Proprius + Spatia/Spatia Links |
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