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Thread: CYGN-B

  1. #971
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    Mar 2010
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    I totally expected there to be the Police LED faces, the Starship logo, South America too, and the car from Cars which I remember as being similar to #17 DYNADIG logo. At least the face from Brain Damage makes sense. The restored Brain Damage has a really good hardly at all corny XYI animation of the face and the blade that came from ADAT.

    Your work on the graphics looks great. Great clean up on the drums. I like the video too. Your system has less noise and looks more authentic then mine, in spite of all the legendary content. Remind us again please, if you would, a brief story on the DACs and galvos used here?

    I have been working with two 4 track shows I haven't previously given much attention to. The shows being John Williams and Laserblast. Ron, if your archive by chance at some point turns up PIN documents for either of these shows, then here's someone making an inquiry at the Library desk.

    The Danube board never got built, though I have the schematic and all the rare and common parts ready to go. I've been using analog oscillators and AM to produce the danube circles and eights when called for, which is pretty good. But there are a couple of danube control signals that are present in the 351 data and are reproduced by the multabela. It is the hardware these signals control that remains unexplored.

    Pursuant to this, I have been noting somewhat rare long passages of danube circles and eights in various shows, so that there will be interesting historical data to test a rebuild of the hardware on. And I found something quite awesome.

    The mid part of the Cantina song has this weird aggressive bass that doesn't to me seem nearly as pronounced in any other recording of the music I've heard. Maybe it's some custom laser mix. And there appears a big phat blue danube eight astoundingly tightly visually mimicking the bass, so I bet there is some telltale rotation rate and cue data worth looking at. I wonder what exactly the cue bit does.
    Attached Thumbnails Attached Thumbnails from_platinum_PIN.png  

    Last edited by Greg; 10-28-2024 at 20:21.

  2. #972
    Join Date
    Feb 2015
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    San Francisco
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    191

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    Greg,

    You are really stretching the old neurons. You are asking me to remember stuff from 40 years ago!

    However, from your dynadig diagram, I do remember #9 to 16 were from "Blinded by Science" in LaserWave - 1983, and the bunny (#29 to 32) might be from the Beatles show - Good night. The flying saucer (#18 to 20) may have been from Planet Claire ( LaserRock Platinum - 1984). The whip and bugle (#21 to 24 and #39) from Laser Holiday 1992. I believe the random shapes (#33 to 47) may have been for the Police (1987) The spoon (#48) used to "tap" the bottle at the beginning of "YYZ" of 1984's "Rush - Grace Under Pressure".

    I'll try to attach the PIN from John Williams below, but I don't have one for Laser Blast as we never performed that show in San Francisco. It was too "hard rock" for the planetarium director at the time and he wouldn't allow it.

    Ron


    Quote Originally Posted by Greg View Post
    I totally expected there to be the Police LED faces, the Starship logo, South America too, and the car from Cars which I remember as being similar to #17 DYNADIG logo. At least the face from Brain Damage makes sense. The restored Brain Damage has a really good hardly at all corny XYI animation of the face and the blade that came from ADAT.

    Your work on the graphics looks great. Great clean up on the drums. I like the video too. Your system has less noise and looks more authentic then mine, in spite of all the legendary content. Remind us again please, if you would, a brief story on the DACs and galvos used here?

    I have been working with two 4 track shows I haven't previously given much attention to. The shows being John Williams and Laserblast. Ron, if your archive by chance at some point turns up PIN documents for either of these shows, then here's someone making an inquiry at the Library desk.

    The Danube board never got built, though I have the schematic and all the rare and common parts ready to go. I've been using analog oscillators and AM to produce the danube circles and eights when called for, which is pretty good. But there are a couple of danube control signals that are present in the 351 data and are reproduced by the multabela. It is the hardware these signals control that remains unexplored.

    Pursuant to this, I have been noting somewhat rare long passages of danube circles and eights in various shows, so that there will be interesting historical data to test a rebuild of the hardware on. And I found something quite awesome.

    The mid part of the Cantina song has this weird aggressive bass that doesn't to me seem nearly as pronounced in any other recording of the music I've heard. Maybe it's some custom laser mix. And there appears a big phat blue danube eight astoundingly tightly visually mimicking the bass, so I bet there is some telltale rotation rate and cue data worth looking at. I wonder what exactly the cue bit does.
    Attached Files Attached Files

  3. #973
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    Mar 2010
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    Quote Originally Posted by ronhip View Post
    but I don't have one for Laser Blast as we never performed that show in San Francisco. It was too "hard rock" for the planetarium director at the time and he wouldn't allow it.Ron
    I kind of side with the director. Something about that collection of music seems disrespectful in a planetarium.

    Ron, it's wonderful you have preserved such significant chunks of knowledge. Thank you for the John Williams PIN. That was the important one. For no good reason, I didn't expect much in the way of exciting choreography for John Williams. Boy was I wrong. Laserium is still showing me how to understand music that I didn't previously understand. Isn't that part of what brought return audiences back in the days?

    On the subject of classical music, I might as well ask now about a Crystal Odyssey PIN. The shows mentioned here have voice track switch in / out select as the show plays, and it's exciting to have the PIN to read through to help identify what is supposed to be going on.

    The Jaws page in the John Williams PIN contains the attached note defining the walking on the moon man, which is my all time favorite cycloid. This info is actually still a good find, as I can use this to subdue any lingering uncertainties regarding the inter-oscillator modulation signal routing of the CYGN-B, and thus have confidence I'm getting the cycloids correct as described in the PINs.

    Following is a transcript of the voice track for part of the Beatles show. Wow performing a live laser show sounds like fun.

    (show begins)
    Break a leg.
    dog is 1 1 1
    fixed cycloid position 6 (ADIG)
    joystick gain up and the joystick preset at 9:00
    fader1 is up
    slow fade up on fader4
    and fade out on the crescendo


    ok down joystick
    fixed cycloid position 7 (CYGN_B)
    joystick dots
    There's a collapsed cycloid written from the digital oscillators.


    (next song)
    dog is 01
    and these are analog cycloids


    (next song)
    this is analog rotation of a reset digital spiral
    of the C analog oscillator at about 3 and a half
    slow
    a collapsed cycloid on the bottom oscillator of the digitals
    frequency all the way up
    and play the AM on the digital oscillator
    at low frequency
    AM will be controlled by the middle oscillator
    and the other playable variable will be the symmetry
    on the rotating oscillator, the slow analog oscillator.
    (first voice) OK go fixed cycloid 1 (circle)
    and spiral select 1 with no size on oscillators


    (next song)
    and is a ? cycle to bring in your AO top
    it should be a single bar or something simple
    and 1 0 on the offsets
    0 1 will get you the two different combinations of danube circles
    OK fade scan


    (next song)
    get ready with your analog cycloid
    and bring up your duty cycle with it already matched
    ...
    all of this is completely ? control


    (next song)
    (other voice)
    Ok fixed cycloids switch to 7 (CYGN-B)
    make a circle on the digital oscillators
    audio mod rotator in 3
    fixed cycloid switch can switch to 10 on the really big cues


    (next song) daytripper
    fade in the green
    what the setup for this is ? the audiomod rotator on 2 2
    and beating the audio mod against an analog cycloid with symmetry flipped over
    also using low end oscillator on C
    to beat the image in and out
    and ? dog offset to make the image go in and out with the C oscillator
    we're able to take it and seep it out so getting a perspective view
    by taking the gain up into variant and introducing B also ? perspective view
    Just use discretion on imagery to play with add colormod at the low end
    on the colormod 1
    are 2 in sync
    just use your discretion again
    play to your hearts content
    ...
    (first voice)
    ok ? fader should be down around 4
    for a quiet fadeout into yesterday
    ...


    (next song) yesterday
    hit 3 on your keypad to get the ADIG image
    should rotate by audiomod rotator
    6 on fixed cycloid (ADIG)
    and axis rotation
    just slowly fade in
    rotated image
    should kind of resemble a tulip a little flat on top
    its got joystick on it so damped, slowly moving around
    by switching different selects on the keypad you can dissolve from one logo to another
    and they'll stay locked up with the rotation from the digital signal
    and slowly rotating to dissolve into different stuff
    nothing extremely symmetrical is as the road goes
    except for maybe zero
    um, avoid F for some reason occasionally the dissolve steps
    really jerkily and you don't want to look at it
    ...


    (next song)
    (other voice)
    fixed cycloids position 10
    audio mod rotator 3 3
    and a pretty 3 oscillator cycloid on the digitals
    we've also got joystick rotation
    use the damping
    ...


    (next song)
    fixed cycloid position 6
    spiral select position 1
    high speed analog cycloid with one axis collapsed
    that's rotated for the green image
    play the beam torquer fading in from blue
    and the individual size controls
    ...


    (next song)
    (first voice)
    Ok, ? KQO
    and ? colormod on the slow oscillator
    to do a nice slow beating of the center
    and you sum that in to to get the good old snake
    and the little things that become horns
    could be KQO also, they could be digital cycloid
    and when it tumbles like that it's really good if
    sum is on it so theres ? that little stick
    ...
    The horns ? should be horns slow oscillator so ? or three sticks out
    by looking at sizes and symmetries and joysticks go nuts on everything ? shape
    now you'll have fun


    (next song) magical mystery tour
    (other voice)
    ok spiral select 2...
    Attached Thumbnails Attached Thumbnails moon_man_CYGN_B.jpg  

    Last edited by Greg; 10-30-2024 at 21:22.

  4. #974
    Join Date
    Feb 2015
    Location
    San Francisco
    Posts
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    Greg,

    I've enclosed below the PIN from Crystal Odyssey I have. Unfortunately, it does not contain any actual performance notes, only diode logic stuff. I also unearthed (and scanned) my personal PIN pages written in pencil. These are initial settings for each number rather than "performance" notes. Note that I had to break this PDF up into three pieces since this forum does not allow documents above 5MB. You can reassemble them on your end (I use 'Preview' on the Mac...)

    I think I learned the actual performance directly from Ivan as he stood behind me while the show played. He also directed me the same way for MoonRock. It was a gas working with him in this way. I was learning, and he was getting the performance the way he envisioned it. Fond memories...

    Ron




    Quote Originally Posted by Greg View Post
    I kind of side with the director. Something about that collection of music seems disrespectful in a planetarium.

    Ron, it's wonderful you have preserved such significant chunks of knowledge. Thank you for the John Williams PIN. That was the important one. For no good reason, I didn't expect much in the way of exciting choreography for John Williams. Boy was I wrong. Laserium is still showing me how to understand music that I didn't previously understand. Isn't that part of what brought return audiences back in the days?

    On the subject of classical music, I might as well ask now about a Crystal Odyssey PIN. The shows mentioned here have voice track switch in / out select as the show plays, and it's exciting to have the PIN to read through to help identify what is supposed to be going on.

    The Jaws page in the John Williams PIN contains the attached note defining the walking on the moon man, which is my all time favorite cycloid. This info is actually still a good find, as I can use this to subdue any lingering uncertainties regarding the inter-oscillator modulation signal routing of the CYGN-B, and thus have confidence I'm getting the cycloids correct as described in the PINs.

    Following is a transcript of the voice track for part of the Beatles show. Wow performing a live laser show sounds like fun.

    (show begins)
    Break a leg.
    dog is 1 1 1
    fixed cycloid position 6 (ADIG)
    joystick gain up and the joystick preset at 9:00
    fader1 is up
    slow fade up on fader4
    and fade out on the crescendo


    ok down joystick
    fixed cycloid position 7 (CYGN_B)
    joystick dots
    There's a collapsed cycloid written from the digital oscillators.


    (next song)
    dog is 01
    and these are analog cycloids


    (next song)
    this is analog rotation of a reset digital spiral
    of the C analog oscillator at about 3 and a half
    slow
    a collapsed cycloid on the bottom oscillator of the digitals
    frequency all the way up
    and play the AM on the digital oscillator
    at low frequency
    AM will be controlled by the middle oscillator
    and the other playable variable will be the symmetry
    on the rotating oscillator, the slow analog oscillator.
    (first voice) OK go fixed cycloid 1 (circle)
    and spiral select 1 with no size on oscillators


    (next song)
    and is a ? cycle to bring in your AO top
    it should be a single bar or something simple
    and 1 0 on the offsets
    0 1 will get you the two different combinations of danube circles
    OK fade scan


    (next song)
    get ready with your analog cycloid
    and bring up your duty cycle with it already matched
    ...
    all of this is completely ? control


    (next song)
    (other voice)
    Ok fixed cycloids switch to 7 (CYGN-B)
    make a circle on the digital oscillators
    audio mod rotator in 3
    fixed cycloid switch can switch to 10 on the really big cues


    (next song) daytripper
    fade in the green
    what the setup for this is ? the audiomod rotator on 2 2
    and beating the audio mod against an analog cycloid with symmetry flipped over
    also using low end oscillator on C
    to beat the image in and out
    and ? dog offset to make the image go in and out with the C oscillator
    we're able to take it and seep it out so getting a perspective view
    by taking the gain up into variant and introducing B also ? perspective view
    Just use discretion on imagery to play with add colormod at the low end
    on the colormod 1
    are 2 in sync
    just use your discretion again
    play to your hearts content
    ...
    (first voice)
    ok ? fader should be down around 4
    for a quiet fadeout into yesterday
    ...


    (next song) yesterday
    hit 3 on your keypad to get the ADIG image
    should rotate by audiomod rotator
    6 on fixed cycloid (ADIG)
    and axis rotation
    just slowly fade in
    rotated image
    should kind of resemble a tulip a little flat on top
    its got joystick on it so damped, slowly moving around
    by switching different selects on the keypad you can dissolve from one logo to another
    and they'll stay locked up with the rotation from the digital signal
    and slowly rotating to dissolve into different stuff
    nothing extremely symmetrical is as the road goes
    except for maybe zero
    um, avoid F for some reason occasionally the dissolve steps
    really jerkily and you don't want to look at it
    ...


    (next song)
    (other voice)
    fixed cycloids position 10
    audio mod rotator 3 3
    and a pretty 3 oscillator cycloid on the digitals
    we've also got joystick rotation
    use the damping
    ...


    (next song)
    fixed cycloid position 6
    spiral select position 1
    high speed analog cycloid with one axis collapsed
    that's rotated for the green image
    play the beam torquer fading in from blue
    and the individual size controls
    ...


    (next song)
    (first voice)
    Ok, ? KQO
    and ? colormod on the slow oscillator
    to do a nice slow beating of the center
    and you sum that in to to get the good old snake
    and the little things that become horns
    could be KQO also, they could be digital cycloid
    and when it tumbles like that it's really good if
    sum is on it so theres ? that little stick
    ...
    The horns ? should be horns slow oscillator so ? or three sticks out
    by looking at sizes and symmetries and joysticks go nuts on everything ? shape
    now you'll have fun


    (next song) magical mystery tour
    (other voice)
    ok spiral select 2...
    Attached Files Attached Files

  5. #975
    Join Date
    Mar 2010
    Posts
    679

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    As an emergency meeting site, in the event that photonlexicon.com has to be evacuated, may I offer the facebook page: Classic Laser Shows of the 1970s, 80s, and 90s

    All here are welcome to continue discussions related to lasers there if need be. I will post updates there for the show which at this point appears to be happening in January.
    Last edited by Greg; 11-03-2024 at 13:09.

  6. #976
    Join Date
    Feb 2015
    Location
    San Francisco
    Posts
    191

    Default

    Greg,

    Is there some reason to believe that PL is going to disappear? I see nothing in the Admin News section.

    Ron

    Quote Originally Posted by Greg View Post
    As an emergency meeting site, in the event that photonlexicon.com has to be evacuated, may I offer the facebook page: Classic Laser Shows of the 1970s, 80s, and 90s

    All here are welcome to continue discussions related to lasers there if need be. I will post updates there for the show which at this point appears to be happening in January.

  7. #977
    Join Date
    Jun 2009
    Location
    St. Louis, MO
    Posts
    1,245

    Default

    The site has been down a fair amount. Greg has a sizable piece of his life invested here.
    "There are painters who transform the sun into a yellow spot, but there are others who, with the help of their art and their intelligence, transform a yellow spot into the sun." Pablo Picasso

  8. #978
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    Mar 2010
    Posts
    679

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    Quote Originally Posted by laserist View Post
    The site has been down a fair amount
    Yes, just that. I hope our rarified community may thrive here for a long time to come. Just-in-case plans are usually good to have ahead of time though. I forget who the real benefactor of this site is. If said individual can PM me a name and address, I'll send a cheque for a few bucks.

  9. #979
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    Mar 2010
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    679

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    Photo attached of the cinema where the show will take place in January.
    Attached Thumbnails Attached Thumbnails cinema_booking_laser_show.jpg  


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