Thanks Nige, yeah I am well aware of the 'Not possible, not invented here, that's obvious' syndrome and the associated opposition which turns to claim.Dan, the worse thing is if you prove your point in no time at all they will say the same and forget (?) you said it. Into the bargain you get abuse for trying to help others.
What I am talking about is entirely obvious from the correct vantage point, however most are incapable of finding that vantage point until being shown, and this is mostly due to indoctrination and consequent closure of minds and unawareness of extra senses.
Yup, lack of resolution equals errors equals noise, the nature of noise in audio is mission critical.I saw something that made me understand my doubts about digital. If RIAA is done using digital near 7 bits extra is required. If you then add a 20 dB safety margin that's 10 bits total to the nearest bit. That gives an idea of how critical digital encoding is. Something that seems should be easy, isn't. An open mind is required.
Interesting reading, read Part 1 first - Nutrition and Disease – Interview with Professor Don Huber – Part 2Microscopes were around a long time before Pasteur. Doctors claimed the bacteria inside a person arrived from nowhere. They were equally convinced they knew best as people here.
Dan.
Need I say ? It should be obvious.
It's not obvious to me as well as Jan, so yes please, some numbers. Having read Scott's LA article it seems to be very easy these days.
Everything is obvious in hindsight.
BTW Am a bit jittery right now - just passed the 1000VRMS mark from my electrostatic direct-drive prototype. Sweating hands and such 😉
Anyway. Just saw this and wondered. Although, such a response - 'It should be obvious' - in general means the poster has no clue. But maybe/hopefully I am wrong.
Jan
BTW Am a bit jittery right now - just passed the 1000VRMS mark from my electrostatic direct-drive prototype. Sweating hands and such 😉
Anyway. Just saw this and wondered. Although, such a response - 'It should be obvious' - in general means the poster has no clue. But maybe/hopefully I am wrong.
Jan
ESL or Jacob's ladder..Place your bets 🙂
Good milestone, good to know there is still a supply of crazy flatlanders out there 🙂
Good milestone, good to know there is still a supply of crazy flatlanders out there 🙂
I ran it some time with 50mA ohmic load. Want to try cap load (an ESL is just a cap of course) but can't find a suitable cap in the junkbox that can withstand 1500V+ peak....
Anyway Nige, you going to release us from holding our breath??
Jan
Anyway Nige, you going to release us from holding our breath??
Jan
Need I say ? It should be obvious.
No it's not. BTW where on earth does a 20db safety margin come from? I would venture to bet there is not a single LP in existence with a 20dB crest factor.
http://www.channld.com/aes123.pdf
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Yup, lack of resolution equals errors equals noise, the nature of noise in audio is mission critical.
Yes the LP surface noise nicely dithers at at least 6 bits out of 24.
> just passed the 1000VRMS mark from my electrostatic direct-drive prototype
Congratulations.
Pictures ?
Patrick
Congratulations.
Pictures ?
Patrick
Thanks Nige, yeah I am well aware of the 'Not possible, not invented here, that's obvious' syndrome and the associated opposition which turns to claim.
What I am talking about is entirely obvious from the correct vantage point, however most are incapable of finding that vantage point until being shown, and this is mostly due to indoctrination and consequent closure of minds and unawareness of extra senses.
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Dan.
How many pinguïns do you want to throw off the roof in order to prove that members of that species cannot fly?
From my perspective, some basic aerodynamic calculations are enough to convince me that the critters will never be able to take to the skies.
I ran it some time with 50mA ohmic load. Want to try cap load (an ESL is just a cap of course) but can't find a suitable cap in the junkbox that can withstand 1500V+ peak....
Anyway Nige, you going to release us from holding our breath??
Jan
Jan, the risk of detonation seem to be increasing by the day. Stay safe!
Dan, the worse thing is if you prove your point in no time at all...
Still waiting, no time at all?
Yes the LP surface noise nicely dithers at at least 6 bits out of 24.
And not to forget
11-12 bits is already ambient noise picked from the microphones , even after digital heavy high passing. See attachment. This is from the HD recording silent section.
http://www.diyaudio.com/forums/everything-else/169484-what-wrong-op-amps-483.html#post4958339
George
Attachments
And not to forget
11-12 bits is already ambient noise picked from the microphones , even after digital heavy high passing. See attachment. This is from the HD recording silent section.
http://www.diyaudio.com/forums/everything-else/169484-what-wrong-op-amps-483.html#post4958339
George
Right, I was giving the best possible case of shorted input residual surface noise.
I recently made a quite remarkable improvement to my system using musical theory rather than hi fi beliefs ( harmonics and phase ). My friend dislikes it as she now can hear the echo's put onto voice and how her old recordplayer ruined her records. True to say the system didn't show it so strongely before.
I like the echo's, but have to agree about the old LP's. I think many who write here forget that the media we use and the goals of hi fi might not work well together. With some sadness I have to say she is right.
A pre-echo, is an electronic or digital fault. Its like the encoding codec wasn't suited to the decoding codec. There will be just a slight inconvenience to remove that mismatch problem. I'm just saying that it does exist.
Vinyl pre echo usually comes from the mastering where the medium moves from pressures at the adjacent groove. No digits or electrons involved. Also from mag tape print through.
I'm not sure those are the echos in question however.
Sent from my LG-H811 using Tapatalk
I'm not sure those are the echos in question however.
Sent from my LG-H811 using Tapatalk
Vinyl pre echo usually comes from the mastering where the medium moves from pressures at the adjacent groove. No digits or electrons involved. Also from mag tape print through.
I'm not sure those are the echos in question however.
Sent from my LG-H811 using Tapatalk
Vinyl 'print through' does indeed happen but mainly at low frequencies where the excursions are large, when the mastering engineer didn't pay attention 😉
Tape print-trough is very common and can almost always be heard on (master) tapes just before and after a track.
I find it hilarious that all kinds of non-existing digital effects are dreamed up to blame digital for a purely, well-known, analog, phenomenon.
And so it goes...
Jan
I find it hilarious that all kinds of non-existing digital effects are dreamed up to blame digital for a purely, well-known, analog, phenomenon.
And so it goes...
Jan
Especially since the delay is one rotation of your mechanical medium. IMHO the sinc "pre-ringing" is a non-problem, virtually non-existent on real waveforms.
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IMHO the sinc "pre-ringing" is a non-problem, virtually non-existent on real waveforms.
As I mentioned before getting a signal into a system that would cause the pre-ringing is very difficult if possible. More interesting would be how that pre-ringing would evidence itself in a tweeters acoustic output. Would it be audible as some other effect given the nonlinearities and delays in the physical transducer?
As I mentioned before getting a signal into a system that would cause the pre-ringing is very difficult if possible. More interesting would be how that pre-ringing would evidence itself in a tweeters acoustic output. Would it be audible as some other effect given the nonlinearities and delays in the physical transducer?
One could try recording "jangling keys" or cymbals at 192k and brick wall the recording at 22.05k and maybe see any effects possibly energy/time waterfall plots at high frequency resolution?
No, vinyl "print thru" is a pressing problem, not a mastering problem. There is no vinyl involved in cutting a disc. Blank master disk are nitrocellulose lacquer.
this one is not bad for explanations, https://en.wikipedia.org/wiki/Acetate_disc
I think he was talking about he could now hear the cheesy echo applied to the recording in the studio. A very real experience when you start making the chain of playback better.
I can see clearly now........ and it ain't pretty!
Cheers
Alan
this one is not bad for explanations, https://en.wikipedia.org/wiki/Acetate_disc
I think he was talking about he could now hear the cheesy echo applied to the recording in the studio. A very real experience when you start making the chain of playback better.
I can see clearly now........ and it ain't pretty!
Cheers
Alan
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