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Author Topic: HIGH QUALITY TPU DVD Video Released from Jack Durban  (Read 458009 times)

jdurban

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #420 on: April 22, 2008, 07:39:12 PM »

@Jack - I'm assuming the HI-8 deck you used for the source has a TBC? Would it help if you had an external TBC. I would be glad to chip-in to buy a TBC that we could send to you. (I know you said you will at some point upload a deinterlaced version of the DVD, but please let us know if there are any gadgets which will improve the HI-8 capture even further.)


Greetings! Actually I Do have a TBC, a DPS RC-2000. I have a full SD/HD broadcast edit bay in my lab. I also use an Elite video broadcaster video processor. I am editing a pared down video direct from the MPEG2 source.

wattsup

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #421 on: April 22, 2008, 07:51:08 PM »
Maybe I should get my eyes interlaced. They are killing me from looking to close to the screen. Or buy some special interlacing glasses. lol

The trickiest parts are when the tpu is turned and you are trying to keep track of one part of it while it turns, then you see the wire upside down and you lose perspective and have to start over again. lol

SM made great attention when showing the FTPU to not show to much of the circuit side. He also had added two pieces of tape on the power out wires which helped mask the inner capacitor. You see this when he takes the TPU out of the case until he puts it on the video machines. A big white reflection. He also kep his hands near the device, waving them here and there to create distractions. It's too bad the cut-away scene is not in these videos.

wattsup

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #422 on: April 22, 2008, 08:19:26 PM »
@JD

With all that equipment, you could start OU TV or the The Overunity Channel.

@All

About the pulsing, what if I had a capacitor, an inductor and a zener diode. once the voltage reached a certain level in the capacitor, would the zener open, discharge, then close and start over. Could this be done fast enough. Could the item E above be a Zener Diode instead of a capacitor?

orbs

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #423 on: April 22, 2008, 08:38:37 PM »
I'm agreeing with EMdevices regarding the interlacing. The DVD seems to have been de-interlaced already. The quality is probably fine for most purposes, but if you want the best possible still pictures, you probably have to choose the de-interlacing algorithm manually on a case by case basis (for every single picture, like you can do with the plug-ins of VirtualDub). So the original interlaced footage at the maximum DVD bit rate 59.94i would probably be a good thing to have for TPU studies.

Edit: (I should have known better, having written a line 21 decoder...)

The DVD is in fact interlaced (i.e. progressive_sequence = 0 in the stream). However, there are two different ways how this can be encoded in MPEG-2 on a DVD: Each top and bottom frame for itself (called field picture), or both fields together with their lines alternating (called frame picture). The DVD is encoded as the latter (i.e. picture_structure = 3 [Frame picture] in the stream), which means the individual top and bottom frames cannot be properly separated again (because it is compressed in a way similar to a JPEG, which smears the lines)..

So for possibly better results, it could be either encoded as field picture on a DVD with 29.97 fps, or with 59.94 fps with each field in a separate frame in a more advanced video format.
« Last Edit: April 22, 2008, 11:39:18 PM by orbs »

OzOnE

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #424 on: April 22, 2008, 08:52:08 PM »
@EMdevices, thanks for the screenshots. I see your point about the fields now, by just using them separately we should see more detail instead of blurring them further. I was still a bit confused though, as Jack's video IS indeed interlaced  :) . I did have a look at www.100fps.com while trying to find the best deinterlacer for the footage, but you're correct in saying that I should really rephrase that to "best field combiner / blurrer" !!

I noticed one of the plugins called "DeInterlace Smooth" converts the interlaced footage into 60Hz by resizing each field as you have done and doubling the frame rate (smooth meaning frame rate NOT image!) - it should be possible to try this sort of thing in VirtualDub itself and this is the main reason for me using it. You can see the effect of the plugins and filters on-the-fly, and it doesn't blur the image further like it sometimes can when playing via Directshow / overlay. It can get very blocky when you "zoom in" on VirtualDub though as it doesn't do any smoothing on the preview images at all. Again, this is my personal preference for using it (plus, it's free, so we can send it to anyone).

@Jack - always good to see you on this forum. I don't think any of us expected anyone to turn up who actually worked with SM directly! Just wanted to say thanks for the video - I know you're very busy and I'm glad you stuck with it after you read some of the "less positive" posts.

Is a TBC supposed to correct (or attempt to correct) the errors already present on the master HI-8 tape? For instance, on the first part of the footage, you can see how wavy the black vertical line on the left is throughout most of the video - I know this is an effect of the head jitter etc., but I thought a TBC was supposed to do it's best to correct this?

Also, if you do run another copy, do you think there is any more info on the tape that can be captured by raising the black level slightly etc? (without clipping the whites). Again, although this footage won't give us all the answers, it's one of the most important steps so far in trying to reverse-engineer the TPU IMHO .In deference to Grumpy's view a few posts back (I should know by now not to be the first fish that "bites"  :D ) - I'm all for the theory, but seeing that most of it goes over my head, I think I can be of more help in deciphering the wiring / coil configurations and the circuit operation first of all.)

Jack, do you possibly know who Spherics might actually be? (probably been asked before)

@all - Apologies for this, but I made a bit of an error with the files I attached previously - you will need to download a copy of DVD2AVI....

http://www.digital-digest.com/software/download.php?sid=1028&ssid=0&did=2

Then, open your first VOB file from the SM DVD ("VTS_01_1.VOB"), and the rest in the sequence should also load in automatically. Then, just go to File > Save Project, and save the new file as "VTS_01_1.d2v" in the same folder as the other files (SM DVD's "VIDEO_TS" folder). You should then be able to open the .avs file with VirtualDubMod.

The reason it fails to open is because the d2v file points directly to where MY copy of the DVD files are stored. Sorry about that - I knew I should have tested it all fully.  :-[

jdurban

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #425 on: April 22, 2008, 08:59:28 PM »
@JD

With all that equipment, you could start OU TV or the The Overunity Channel.


I should put up some shots of the lab. Steven would recognize all his gear!  I still have all his DBX, Carver, Yamaha, and Hush systems, and a $hitload of Spheric speakers!

aleks

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #426 on: April 22, 2008, 09:33:44 PM »
About the pulsing, what if I had a capacitor, an inductor and a zener diode. once the voltage reached a certain level in the capacitor, would the zener open, discharge, then close and start over. Could this be done fast enough. Could the item E above be a Zener Diode instead of a capacitor?
Maybe TRIAC could be used? http://en.wikipedia.org/wiki/TRIAC Sounds like an interesting variant. While it can be triggered with a low current, and then it automatically shut offs. Sorry, I'm just thinking theoretically, but it does look like it can be used for conducting pulse discharge and then work as a protecting diode. From the description it does not react on gate signal when it is triggered - good for "fire and forget" logic. Coupled with a capacitor that provides discharge energy it should work pretty well - close to Otto's MOSFET pulses.

jdurban

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #427 on: April 22, 2008, 09:59:16 PM »
About the pulsing, what if I had a capacitor, an inductor and a zener diode. once the voltage reached a certain level in the capacitor, would the zener open, discharge, then close and start over. Could this be done fast enough. Could the item E above be a Zener Diode instead of a capacitor?
Maybe TRIAC could be used? http://en.wikipedia.org/wiki/TRIAC Sounds like an interesting variant. While it can be triggered with a low current, and then it automatically shut offs. Sorry, I'm just thinking theoretically, but it does look like it can be used for conducting pulse discharge and then work as a protecting diode. From the description it does not react on gate signal when it is triggered - good for "fire and forget" logic. Coupled with a capacitor that provides discharge energy it should work pretty well - close to Otto's MOSFET pulses.

True but it will only shut off during a zero cross and if the unit goes into an unknown state and the gate fails to see the zero cross the TRIAC will remain on.

aleks

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #428 on: April 22, 2008, 10:18:26 PM »
True but it will only shut off during a zero cross and if the unit goes into an unknown state and the gate fails to see the zero cross the TRIAC will remain on.
Well, yes, this info is available there via links, there is also problem with main current raising too fast - so may not be suitable for pulse discharges. I think we are mostly limited in choice by avalanche mode SS components. No other kind of components may "suck" as much current from power source - in theory current may rise to infinity until the unit is destroyed. So, to get high-power pulses it should be whether some mechanical device connected to capacitor battery or avalanche SS component connected in feedback mode (considering DC output) or to a capacitor battery.

Maybe this can be useful: http://www.st.com/stonline/products/literature/an/12244.htm

(from this note it seems that in Otto's experiment the quick oscillation that follows the MOSFET peak is a result of avalanche operation, not something particularly interesting - see figure 13 in the notes for similar oscillation).
« Last Edit: April 22, 2008, 11:08:55 PM by aleks »

sparks

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #429 on: April 22, 2008, 10:37:00 PM »
@JD

With all that equipment, you could start OU TV or the The Overunity Channel.

@All

About the pulsing, what if I had a capacitor, an inductor and a zener diode. once the voltage reached a certain level in the capacitor, would the zener open, discharge, then close and start over. Could this be done fast enough. Could the item E above be a Zener Diode instead of a capacitor?

      Wattsup look for these things.   A small transformer connected to a capacitor.  This acts to stop the kick energy from going around the tpu again when you don't want it to, and also charges the capacitor.  The time it takes for the capacitor to charge allows the tpu to come back into magnetic resonance with the Earth's magnetic field.  I would say yes your looking at a zener diode.  What happens is this creates a short circuit when it reaches a specific voltage and discharges the capacitor in nanoseconds into the tpu transmitter winding. This circuit is used all the time in high speed voltage regulators.  It is the easiest spike producer to make in the world.  The transformer will most probably be one that is round with 2 wires leading to a capacitor and leads leading to the kick windings.

    SM How long do you figure this will this keep going on before OU's SM tpu board is a ghost town? 

aleks

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #430 on: April 22, 2008, 10:59:08 PM »
I would say yes your looking at a zener diode.
Unfortunately, zener diodes with high voltage rating (above 100V) are non-existent.

One thing to consider... If the potential of the output of TPU is 100V the pulse peak potential should be much higher, if the system is "self supporting". I won't be surprised if 900V TPU uses 5kV pulses. If there is no other "ground" in the device, this ground is represented by DC voltage of the system I think.

sparks

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #431 on: April 23, 2008, 12:24:55 AM »
@alecks

  The tpu is a MAGNETIC energy collector.  It is not a transformer.  The spike could be easily 1volt peak to peak at 1x10-6 watts input to tpu output ratio.  The ambient magnetic field of Earth is a fluid.  Like air it is compressible and viscous.  All physics that apply and have been developed for fluid dynamics will apply to magnetism.  The tpu doesn't pressurize the magnetic field it uses magnetism like Tesla's turbine uses the viscosity of water.

gyulasun

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #432 on: April 23, 2008, 12:31:07 AM »
I would say yes your looking at a zener diode.
Unfortunately, zener diodes with high voltage rating (above 100V) are non-existent.


Hi,  sorry to chime in,  though I cannot make it out what E might be in wattsup picture (it could be a zener too), Zener diodes are manufactured up to 200V, see this link (out of many): http://www.nteinc.com/Web_pgs/Fifty.html  shows zener diodes in so called stud-mount package.

@wattsup,  if it is a zener diode with x voltage, and you say the capacitor is charged up to a certain level then a zener diode start to dicharge the cap: The capacitor is able to charge up just to voltage level x, no higher, and no discharge from lower than this x level by the zener because it cannot conduct voltage level below x, ok? or you did not mean this way.

rgds, Gyula

sparks

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #433 on: April 23, 2008, 12:42:20 AM »
    @wattsup

   I think I made a mistake calling it a zener.  There is a diode that avalanches.
Once the voltage reaches a rated voltage it conducts until the holding voltage drops to a certain level.  It may be a silicon controlled rectifier of some sort I am thinking of.  Been a while.  Anyway this device can dump the power of the capacitor in nanoseconds.

   Thankyou for the post Gyula.

Bruce_TPU

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Re: HIGH QUALITY TPU DVD Video Released from Jack Durban
« Reply #434 on: April 23, 2008, 12:51:58 AM »
you guys sure of your posted NMR frequencies for iron?

i don't think there has been a consensus, and doesn't look right

bruce for example has 323 MHz. well at what B field strength?

looks like this frequency depends on B, and that at least some testing is done with B = 1T

so, in the earth's field alone, you'd be looking at a factor of 20,000 times slower

so what's that? oh about 16.15 kHz

DOH!  :o ............LOL

@ Poynt

This is true.  There is no consensus.  We need experimentation, not consensus.  Spherics said the NMR frequency of Iron and it's harmonics.  What divisible harmonic is not known.  I would think by four and seven, but just a guess.  So no, finding the exact frequency will be a challange, but not the hundred years to find it that SM stated.  We are closer, thanks to Spherics.

@ All
I am convinced that the correct setup according to Spheric's second post will give us an anomoulous magnetic strength.  I believe that this is the kick we are looking for, not just a voltage spike.  Gauss meters are needed.

Think about Marco's dancing magnets.  SM believed at first that perhaps the earth's magnetic field was responsible.  Spherics explained in detail, why there is a comp field.  That comp field it the key to the TPU, IMHO. 

Now Spherics was able to bypass the comp field, delay, setup, by finding a different setup for his coils, for use of the "magic" frequency.

Funny that SM gave us KHz but recommends VHF tubes.  I always did find this strange. VHF is from 30 MHz to 300 MHz.

SM's words:
"Yes, I know that they are hard to find so I have found that I can use any triode designed for color TV VHF use."

Cheers,

Bruce