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added on the 2013-04-01 22:52:02 by bartman  |
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comments
Until video is uploaded: YouTube Live Compo Video
added on the 2013-04-01 22:53:40 by bartman
This was AWESOME!!!
Fuck yeah!
Really awesome.
Would also love an article or blog post explaining why you chose to drive oscilloscopes from a PS2, how you did it, challenges you faced etc. (please? :)
Would also love an article or blog post explaining why you chose to drive oscilloscopes from a PS2, how you did it, challenges you faced etc. (please? :)
Analog pwnage! (good presentation, works well as a demo too!)
proper arsekicking !
Amazing!
Wiiiiiiiiiiiiiiiiiiiiiiiiiiiild!
Proper direct feed Full HD YouTube
Thanks guys! Will do something in the next days/weeks. Until then, try to figure out how it works. Just one additional note: The composite video signal is connected to all three displays without any further electronics. And as mentioned, Audio is connected to audio - that's where the AHX should be, right in your ears!
luv u guys!
nice presentation and execution. nice to see and hear meo being back :)
very cool
Great!
Very very cool. Nice tune too!
Nice :) I've a couple of theories on how it works having played with a fair few scopes and TV pattern generators in the past... I wonder if seeing all 3 screens at the same time would give anything away, or turning up the brightness a touch on the TV?
I'm dexter and do is my wife
dEX!!
<3 fantastic stuff :)
I guess, the oscilloscope is driven by the color portion of the composite signal?
massive!
This was cool! ...now get your old Amiga's up and running and make some demos again.
epic! <3 AYS is BACK!
Utter insanity :D Total madness. The demo kicks ass too :)
Awesome!
crazy platform is crazy
Wicked!
A nice prod indeed. However:
Dexter, have you tried this on other PS2s than your own ? IOP is crashing. Are you relying on the one in your PS2 ?
Dexter, have you tried this on other PS2s than your own ? IOP is crashing. Are you relying on the one in your PS2 ?
Glad to see Abyss and Dexter back. A nice surprise and a very nice production in the cruisin series.
gilligan: Try the updated binaries (just use the download link), the old ones crashed.
Both thumbs up. It's been a while since the PS2 got some scene love.
This was so epic! One of my favorite wild prods ever.
excellent prod! respect!
Hi, i'm Dexter and i rule. Also lovely tune by Meo.
Fantastic - I love scopes! Also think I've figured it out now! :)
And you've made it to hackaday, so you should get a lot of interested people from there: hackaday.com/2013/04/02/dual-displays-on-a-playstation-2
And you've made it to hackaday, so you should get a lot of interested people from there: hackaday.com/2013/04/02/dual-displays-on-a-playstation-2
Simply incredible!
I'm miles away from understanding this basically, but good thing that there are still surprises today. Respect!
I'm miles away from understanding this basically, but good thing that there are still surprises today. Respect!
really cool thingie :)
Abyss :D And that one did fucking rule :D
That is so over the top, i cannot find words. Big respect!
(\oO/)
HI, I'M DEXTER
AND YOU ARE NOT
AND YOU ARE NOT
Rocks!
Holy crap this is awesome! I guess YouScope can suck it...
Scopetastic!
:)
This is fantastic ! I really loved this one.
I worked a lot into video editing when this kind of analog oscilloscope was always plugged on the video outputs in video output factories. They're used to check the video levels for luma. Each horizontal blank signal (=line) drives the oscilloscope which draws the luminosity of the line (so if everything's black and one line is 25% gray, wherever it is on TV, on the waveform monitor you get one big flashy line on the bottom and a light line at 25% luma). You can Google Images for "video waveform luma" to find what I mean. Now for cost reasons such analog oscilloscopes are not used anymore, and a lot of editing software include a soft waveform monitor directly in the UI.
At the time I edited some Amiga/ST demos and I already noticed that objects containing raster colors (for instance, scrolltexts) appeared on the waveform monitor, perfectly visible, with different movements on the scope than on the video screen because the up/down movements where driven by the rasters' colors luminosity. That was fun to watch indeed, like another demo in the demo.
So my thoery is that they actually used this plain trick for the first part, the only thing is that it seems they have used slightly different settings to zoom into the waveform graph so that the "borders" of the graph are hidden in the scope borders.
For the second part (the dual screen part), my guess is that they used another setting to further zoom into the oscilloscope graph so that whites and blacks don't show up on the scope, and that they used hidden lines of the video signal to display greyscales that don't show on the TV (overscan) but are still decoded by the scope. Another theory is that they might have used very dark greys in the background to make the scope animation, in any case the scope rendering is very blurry, meaning they had to use only a subset of the scanlines or the luma scale (or both). Also don't forget that analog video use a luma scale that is larger than digital video with underblacks and overwhites.
I don't think the scopes are using the chroma part of the signal since the vertical bars that appears on the edge of some objects is a typical waveform filtering issue.
I worked a lot into video editing when this kind of analog oscilloscope was always plugged on the video outputs in video output factories. They're used to check the video levels for luma. Each horizontal blank signal (=line) drives the oscilloscope which draws the luminosity of the line (so if everything's black and one line is 25% gray, wherever it is on TV, on the waveform monitor you get one big flashy line on the bottom and a light line at 25% luma). You can Google Images for "video waveform luma" to find what I mean. Now for cost reasons such analog oscilloscopes are not used anymore, and a lot of editing software include a soft waveform monitor directly in the UI.
At the time I edited some Amiga/ST demos and I already noticed that objects containing raster colors (for instance, scrolltexts) appeared on the waveform monitor, perfectly visible, with different movements on the scope than on the video screen because the up/down movements where driven by the rasters' colors luminosity. That was fun to watch indeed, like another demo in the demo.
So my thoery is that they actually used this plain trick for the first part, the only thing is that it seems they have used slightly different settings to zoom into the waveform graph so that the "borders" of the graph are hidden in the scope borders.
For the second part (the dual screen part), my guess is that they used another setting to further zoom into the oscilloscope graph so that whites and blacks don't show up on the scope, and that they used hidden lines of the video signal to display greyscales that don't show on the TV (overscan) but are still decoded by the scope. Another theory is that they might have used very dark greys in the background to make the scope animation, in any case the scope rendering is very blurry, meaning they had to use only a subset of the scanlines or the luma scale (or both). Also don't forget that analog video use a luma scale that is larger than digital video with underblacks and overwhites.
I don't think the scopes are using the chroma part of the signal since the vertical bars that appears on the edge of some objects is a typical waveform filtering issue.
great! nice to see some fresh stuff from Abyss...
and if someone want the soundtrack: my commodore.ahx ;)
and if someone want the soundtrack: my commodore.ahx ;)
I have to thumb this up, but I would have done anyway, because it rocks! :) Great work Dexter (and team)
oh yeah
This was fucking awesome. I'm not usually too big on just doing the same old stuff on weird hardware, but actually the visuals themselves are really cool this time around.
and the music!
Dexter! \o/
ace!
This is super awesome !
Love this unusual stuff. The wild compo is probably the most interesting of all.
Well done Dexter ;)
!!
Yeah!! Great tune as well!
VHS > HD 1080
I was a little bit involved when Dexter started this project on last years Revision... didn't expect that this would have such a great outcome!
And what a fuckin great tune by meo!
(and he didn't tell me anything a weak ago ;-)
And what a fuckin great tune by meo!
(and he didn't tell me anything a weak ago ;-)
i have "no f-ing clue" how this is done. winkwink nudgenudge.
having nothing to do with this one: wicked idea, and great cruise. love it!
(...still no selfvote)
dexter: wie bist du den auf DIE idee gekommen?!
(...still no selfvote)
dexter: wie bist du den auf DIE idee gekommen?!
Great! :)
awesome idea!
OOH.. FUCK YEAH!
Quote:
The composite video signal is connected to all three displays without any further electronics.
So are you actually using a component (YPbPr) cable (which PS2 supports)? Or splitting the same composite signal 3-ways? Either way, great work.
the flow ! the flow ! such a great production. old school guys just know how to present right. respect.
Quote:
So are you actually using a component (YPbPr) cable (which PS2 supports)? Or splitting the same composite signal 3-ways? Either way, great work.
It's not component video, but really composite video split up to all 3 displays, no further electronics involved.
@Spin: Ich werde das mal alles irgendwann zusammenfassend berichten...
awesome technology
Rocks!!
Interesting.
<3
Very neat -- not just technically impressive but great production as well! If you're planning on doing colour next time, you could have it do a third simultaneous display on a PAL vectorscope...
How it works. Don't watch if you don't want to know :)
http://www.youtube.com/watch?v=NCbb86jphn4
http://www.youtube.com/watch?v=NCbb86jphn4
good old skul !
hardcore
Dexters are always killin' it...
Awesome.
Awesome.
What do I use to play/convert (to MP3) for the cool http://5tarbuck.net/stuff/my%20commodore.ahx tune? :(
HVL2WAV can convert ahx files to wav files. Don't worry about the os4depot link, there is a windows binary in there as well as os4 :)
hmmm just noticed the os4depot link is 1.0, which has old (read: buggy) replay code included. I dug around on my Amiga and found the 1.1 release, which you can download here.
Xeron: Thank you. Do you know what the original used for quality rates? Is it really supposed to be 16 bit PCM, 2 channels, and 44100 Hz?
Also, is it me or does its song's ending just stops? In the video, it fades out as an ending?
the original is played back through Paula, so 4x 8bit pcm. I don't know what equivalent mixing frequency would make it sound like Paula... Anyway hvl2wav mixes it down to two stereo 16bit channels. As for the fade out, it is not encoded in the ahx file, it just loops forever. Hvl2wav stops after 10 minutes on looping songs, or you can specify a length. If you want it to fade out, any sound editor can do that easily afterwards.
hmm.. Of course I don't know what mixing settings the ps2 replayer uses either.
Xeron: Ah thanks.
Oh fuck yes!! Great idea, great execution. Lovely tune too!!
yes yes
:O
Xeron: FYI, the WAV file was five minutes and 13 seconds long. Not 10 minutes. :)
ok, then the song end detection detected the loop back and stopped. Just specify how long you want, and add a fade out in a sample editor.
Heh, I tried that old http://www.the-leaders-of-the-eighties.de/static/download/WinAHX_1_0_Win9xNT.zip and it played forever (looping). I also noticed the instrument notes said the song was unfinished. Hmm!
WOW!
ABYSS!
Still Cruisin! :D
excellent idea/job there! moar plz!
ABYSS!
Still Cruisin! :D
excellent idea/job there! moar plz!
OMG (scream)
Nice :)
Apart from being well executed, this is a very cool watch in its own right, great music as always and nice presentation!
First part was a bit long for me, but the second part was so damn strong - especially the explanation. Perfectly presented :D
nice prod.
music is really really cool! Atari ST ROX!
music is really really cool! Atari ST ROX!
Very tasty, old mate, i love it. Music is great, too.
good
very impressive. the graphics make it look kinda myserious.
the music is the best of this prod, which really screams the very subculture we love.
keep up the good work !! one of the (if not THE) best demo/s on ps2 hardware.
the music is the best of this prod, which really screams the very subculture we love.
keep up the good work !! one of the (if not THE) best demo/s on ps2 hardware.
(:
Geiler Scheiss <3
This was super! Has all that a real wild entry should have :)
Cool! :)
I forgot about this. Here is my thumb. Any chance for an audio recording of the composite signal in FLAC or WAV format?
@Luis: composite is a video signal which can't be recorded in FLAC or WAV ;-)
Anyway a video recording would be nice for anyone with an oscilloscope but without a PS2...
i sent a request to Dexter
Anyway a video recording would be nice for anyone with an oscilloscope but without a PS2...
i sent a request to Dexter
Wild indeed! This hack is sick as hell! Seriously, this is just insane!
Absolutely fantastic in every way <3
Analog pwnage !
Forgotten thumb, this was and still is bloody awesome! :)
Dexter, you´re insane ;)
this is truly the best demo i've ever seen <3
i mean, commodore 64 music made with a tracker developed for the amiga 500 assisted by oscilloscope-drawn graphics, all on a ps2. Dexter, you're the best <3
i mean, commodore 64 music made with a tracker developed for the amiga 500 assisted by oscilloscope-drawn graphics, all on a ps2. Dexter, you're the best <3
this is really great
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