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Old 15th October 2017, 07:03 PM   #1
helitim is offline helitim  Canada
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Lightbulb Forum section for learning discussions

This isn't so much of a problem, as it is a suggestion. I wasn't really sure where to post this, and I was hoping for moderators to see it. This seemed like the best place, but I apologize if there was another section that is more appropriate.

I've seen a few posts regarding the quality of threads and such lately, and it made me think... There are alot of very experienced/ knowledgable members in this forum, many of which who help me on a regualr basis. In contrast to this, there are also alot of members like myself who are still learning, and very inquisitive.

I personally think it would be a great exercise/ learning opportunity if there was a thread, or thread section where we could discuss in detail; schematics and diagrams for various audio components. For example, a very basic audio amplifer circuit. As members learn, we could get into more advanced circuits and systems. Alot of people find it difficult reading schematics, and this could help in that regard. Personally I spend alot of time reading schematics at work, but I sometimes have difficulty with some of the more advanced designs on this webiste. The discussions could include "talking through the schematic" from the POV of the signal, or voltage, etc.

This would of course be very dependent on experienced members or moderators overseeing the quality of the discussion, but I believe that alot of members could benefit from this type of exercise, and perhaps it could even be tied to the wiki somehow. All of the questions/ descriptions would be there for future new members to read, in one convenient location. This would provide an outlet for "newbie questions", and perhaps add to the quality of posting.

Just a thought.

Thanks,
Tim

Last edited by helitim; 15th October 2017 at 08:33 PM. Reason: spelling, grammer, rewording, etc...work in progress :)
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Old 16th October 2017, 05:21 AM   #2
Jason is offline Jason  Australia
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Hi Tim. I'm with you!

Establishing a "diyAudio University" kind of thing is already on the roadmap and we're in the process right now of evaluating how we can best get that in place. If anyone is interesting in helping to author content in areas they are experts, they can PM me as we will definitely be looking for help in the future. Watch this space - we have lots of exciting stuff, especially for newbies, coming up in the future!
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Old 16th October 2017, 05:42 AM   #3
Tromperie is offline Tromperie  Australia
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I think you are on a hiding to nothing. People who supposedly have degrees and experience still waffle on about audiophile nonsense.
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Old 16th October 2017, 12:03 PM   #4
DF96 is offline DF96  England
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I can't see how the OP's idea could work. Detailed discussion of circuits already takes place in lots of threads. Giving special privileges to self-appointed experts is a recipe for disaster. We already have a problem from time to time with people writing 'tutorial' posts which merely exhibit their own confusion; they are not always happy to have their mistakes pointed out.

DIYaudio is not a textbook. It is not a college. It is a discussion forum. Moderators are not necessarily more knowledgeable about audio than other contributors; their role is to police the spirit in which discussion takes place, not judge the technical content. Because DIYaudio has a mixture of different points of view (a strength, in my opinion) it might be difficult to get agreement on who is an expert. Some people seem to think that I am an expert; others think I am deaf, stupid and talk complete nonsense; who is to decide which is right? Contributions should be judged on whether they are true and helpful, not who said them.
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Old 16th October 2017, 10:39 PM   #5
helitim is offline helitim  Canada
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Jason,

I am very pleased to hear this is already in the works. I wish I had something to offer in way of a contribution of information. I work with Avionics for a living, so I'm sure I'm an expert(?) at something...I just feel that there are gaps in my knowledge with regards to DIY audio, and wouldn't want to mislead or confuse somebody .

Tromperie / DF96,

It isn't so much about designating experts or special privilege. I would like to see ALL members contribute or participate equally. The way things are right now, you would have to actively be working on a particular PCB or at least following its thread to learn all about any array of subjects that are covered under that build's discussion. There is a lot of useful and interesting information hidden amongst these build threads that could cross apply to many similar designs.

I believe that having open discussion on everything from the basics of circuitry to advanced implementation would encourage those who need it most, while presenting an opportunity for more experienced members to offer a guiding hand/advice.


I always encourage differing opinions, and give weight to each side before jumping to a conclusion.
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Old 17th October 2017, 03:10 AM   #6
Tromperie is offline Tromperie  Australia
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Quote:
I would like to see ALL members contribute or participate equally
As DF96 wrote above, that will a surefire recipe for a disaster. Some here claim, for example, drawing dots and dashed on speaker cones does all sorts of wonderful things and that, while it can't be measured, it can be heard and that is all that matters. Some, one in particular, claim some bullet thing, sometimes not even in the chain, does other magical stuff.

Unlike science, audio suffers from unsubstantiated opinions and feelings which, when confronted, causes all sorts of hurt and more claims, others cannot hear what they do.

A hiding to nothing.
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Old 17th October 2017, 04:27 AM   #7
Jason is offline Jason  Australia
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Finding the middle path to walk between linear discussion (eg: like this forum, with some threads having 100k posts) and node based discussion (eg: like Reddit, with some posts having thousands of nodes) is hard. I think it calls for a whole new way of looking at things (possibly StackExchange style, or images with annotations that can be discussed) and is a worthy problem to try and solve for our specific use cases at diyAudio, possibly with a novel or hybrid approach.
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Old 17th October 2017, 05:46 PM   #8
helitim is offline helitim  Canada
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Quote:
Originally Posted by Tromperie View Post
Unlike science, audio suffers from unsubstantiated opinions and feelings which, when confronted, causes all sorts of hurt and more claims, others cannot hear what they do.
I agree that there is a lot of fluff to sort through, and that is one of the big problems. I think that if there were specific discussions on proven designs (for instance: the linn topology, or a simple design like a very basic class A, AB, etc.) where members could discuss the principles of operation, from the circuits point of view.

A lot of people get discouraged before they even start learning, and I think this is a good way to start having meaningful conversations that focus on the essentials, as opposed to the radicals (ideas).

It is hard starting out these days with all of the useless or differing "opinions". I believe that new learners need solid information to grasp the basics before they can fully understand the rest . The internet makes this hard sometimes.
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Old 17th October 2017, 05:52 PM   #9
helitim is offline helitim  Canada
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Jason,

It is very comforting to know that DIYAudio is actively trying to address this issue. A lot of sites just leave new learners to fend for themselves, which ultimately results in members giving up too early. The entire hobby suffers when this happens!
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Old 17th October 2017, 08:20 PM   #10
DF96 is offline DF96  England
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Quote:
Originally Posted by helitim
I think that if there were specific discussions on proven designs (for instance: the linn topology, or a simple design like a very basic class A, AB, etc.) where members could discuss the principles of operation, from the circuits point of view.
What is a "proven" design? One which
1. accords with well-accepted circuit theory
2. has been built by lots of people, even though it distorts the sound
3. is easy to build yet has significant flaws
You see, we possibly cannot even agree on that!

Quote:
I believe that new learners need solid information to grasp the basics before they can fully understand the rest
You can get very basic solid information from a textbook: DC, AC, passives, BJT behaviour etc. Even then, some may gloss over audio problems (e.g. implying that Class AB design is completely solved and uninteresting).

I don't think you realise what you are asking for. Some folk would want you to learn and understand Kirchoff's laws (for example). Others would want you to experiment with 'directional cables'. I am not trying to be awkward, but newcomers often think that things are simpler than they are.
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