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General Asylum General audio topics that don't fit into specific categories. |
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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: High Resolution - Fact or Fiction? posted by StephenJK on April 9, 2014 at 05:33:12:
High-resolution analog, there are no artifacts or side effects that would compromise the sound.... 30 ips tape is still the best medium, if one can source music and maintain the playback source..... Vinyl, with exacting alignments, a resolute and linear pickup/step-up, and a stable platform, does well too.
But with digital audio, there are both side effects and overkill to high-resolution playback.
Each digital audio bit switching on and off generates pulses, whose bandwidth goes all the way to RF. The more resolution, the more bits switching and with greater time density, the greater the RFI emissions..... I've never heard a high-resolution digital source (higher bitrate than CD quality) that I thought was truly enjoyable, from a music standpoint.
The overkill in digital audio is from the bit word length. 16 bits is 96 dB dynamic range, 18 bits is 108 dB, 20 bits is 120 dB. And 24 bits, the "standard" for high-resolution playback, is 144 dB. The problem is for music performance, the noise floor is *rarely* over 100 dB. So in my opinion, 18 bits would be ideal for digital audio. Anything over that, the least significant bits will be acting on noise, not the signal. And again, those extra bits also means extra RFI emissions. This is why high-resolution digital audio has so underachieved, for both mainstream consumers and audiophiles.
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Follow Ups
- Both........... - Todd Krieger 23:32:50 04/09/14 (20)
- "30 ips tape is still the best medium" - b.l.zeebub 06:57:54 04/11/14 (7)
- RE: "30 ips tape is still the best medium" - morricab 12:59:31 04/11/14 (6)
- RE: "30 ips tape is still the best medium" - Goober58 12:29:45 04/12/14 (0)
- RE: Noise "uncorrelated with the signal" - genungo 09:03:14 04/12/14 (1)
- RE: Noise "uncorrelated with the signal" - morricab 13:22:20 04/13/14 (0)
- RE: "30 ips tape is still the best medium" - b.l.zeebub 13:34:24 04/11/14 (2)
- listen for yourself..... - mikel 07:53:56 04/12/14 (1)
- Obviously... - genungo 08:08:59 04/13/14 (0)
- Dynamic range is not the only issue, of course - Tom Schuman 12:33:10 04/10/14 (2)
- RE: Dynamic range is not the only issue, of course - Todd Krieger 12:53:33 04/10/14 (0)
- I never got into SACD.... - StephenJK 12:50:33 04/10/14 (0)
- RE: Both........... - Goober58 07:27:10 04/10/14 (0)
- I wonder which is the actual dynamic range of tapes ? - beppe61 05:58:33 04/10/14 (7)
- I seem to recall my Revox B77 had about 70 dB. - StephenJK 06:30:44 04/10/14 (6)
- Thank you. So it seems to me that the dynamic range available with basic CD format is more than enough - beppe61 08:34:04 04/10/14 (5)
- See, that's where the big problem is - geoffkait 08:56:51 04/10/14 (4)
- RE: CDs that sound "thin, papier mache-ish, lifeless, blah, etc..." - genungo 08:24:37 04/13/14 (0)
- As someone else have said there is a lot of manipulation - beppe61 10:01:51 04/10/14 (0)
- No you're not the only one but I find it an unfair (to digital) generalization. - Goober58 09:21:56 04/10/14 (1)
- "People seem to expect and like the colorations/distortions of vinyl." - b.l.zeebub 09:31:41 04/10/14 (0)
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