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Intelligent MIDI Sequencing with Hamster Control

An anonymous reader writes "Levy Lorenzo managed to build a MIDI sequencer that is powered and operated by hamsters. The hamsters work in teams of two to control melody and rhythm, and Markov chains are used to modify the hamster-based inputs. The sample MP3 sounds pretty good." From the article: "The MIDI sequencer intelligently produced melodies by manipulating the musical elements of rhythm and note-choice. Guided by inputs based on hamster movements, Markov chains were used to perform such beat and note computations. In culmination, 3 simultaneous voices were produced spanning 3 octaves and 3 rhythmic tiers."

35 of 245 comments (clear)

  1. Powered you say? by FalconZero · · Score: 4, Funny

    What you don't see is the small army of hamsters in wheels to power the thing
    like the article says (hmm... looks like mains to me). Either that, or he's
    utilising the bio-electric energy of the hamsters... as a means of control,
    to turn a hamster into this! [holds up battery] </matrix quote>

    --
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  2. Incredible! by krikat · · Score: 5, Funny

    Unfortunately all of my hamster powered machines have had incredibly ugly results.

    1. Re:Incredible! by TimeTraveler1884 · · Score: 5, Funny

      I've been using hamsters as a random source for my cryptographic keys for some time now. Problem is, is that it's suceptible to attack by anyone using cats to drive brute force searching.

  3. Pretty Good... by Tyler+Eaves · · Score: 4, Funny

    If by pretty good you mean "Sounds like a malfunctioning japanese fairground organ..."

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    TODO: Something witty here...
    1. Re:Pretty Good... by BandwidthHog · · Score: 3, Funny

      On my Mac, the fifth button on my mouse is mapped to 'Back.' When viewing a page that's just media interpreted by QuickTime (i.e. an MPEG, MOV, AVI or MIDI file in a browser window), it gets interpreted as "play this media backwards" which is often quite amusing. But in this case, it sounds approximately the same.

      --

      Quantum materiae materietur marmota monax si marmota monax materiam possit materiari?
    2. Re:Pretty Good... by MillionthMonkey · · Score: 3, Funny

      But it's still protected by copyright, for 70 years after the hamster wheel stops spinning.

  4. hmmm by zorglubxx · · Score: 5, Funny

    But can they do the "hamsterdance" ?

  5. Dupe!! by unixbum · · Score: 5, Informative

    This appears to be yet another Dupe...

    I don't know about hampster controlled midi sequencers, but our editors apear to be hampsters ;-)

  6. Outsourcing opportunity... by Anonymous Coward · · Score: 5, Funny

    So now we can outsource the music industry jobs to hamsters !!

    1. Re:Outsourcing opportunity... by Anonymous Coward · · Score: 5, Insightful

      After listening to the likes of Ashlee Simpson, Lindsay Lohan, and a few others, I'd say it'd be an improvement.

  7. MIDI by drxray · · Score: 5, Informative

    If this was a MIDI file, why distribute by MP3? The same music at 10 times the file size...

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  8. A true test is to compare it to random music. by ABeowulfCluster · · Score: 4, Insightful
    I feel that with the hamsters 'controlling' rythym and speed, that you would get the same results if your had a random number generator replacing the hamsters.

    The true test would be to see if an observer detects any difference between random controls and a hamster.

    1. Re:A true test is to compare it to random music. by BandwidthHog · · Score: 3, Funny

      Don't give 'em too much credit. Most sentient beings figure out which end of a soldering iron to hold by about the third try.

      --

      Quantum materiae materietur marmota monax si marmota monax materiam possit materiari?
    2. Re:A true test is to compare it to random music. by frenetic3 · · Score: 5, Informative

      This is actually the most insightful post so far.

      The Markov chain-based note selector simply takes the current note and chooses among neighboring consonant (i.e. sounds good) notes, so you won't hear anything that sounds really awful.

      The reason why this sounds so much better than other "random" or fractal compositions you might have heard is because the others effectively choose from any note on the chromatic scale and thus pull dissonant (i.e. bad-sounding) intervals about as often as consonant ones. But with this system, you're more or less guaranteed something that will at least sound somewhat coherent.

      I seriously doubt that there is any meaningful feedback loop going on or that the hamsters are "feeling" they should go from that G# to A right now and then rest for 2 beats, or whatever. And even if they did, it's doubtful that they'd know that stepping forward would cause that note vs staying put or moving backwards.

      So it would be interesting to compare to a random number generator (or some randomized approximation/model of hamster movement.)

      I can't believe I just wrote 3 paragraphs about this shit. God help me.

      -fren

      --
      "Where are we going, and why am I in this handbasket?"
  9. A Dupe... by DMUTPeregrine · · Score: 5, Insightful

    ...But a cute dupe. Nice littly fuzzy hamsters making music.

    Slashcode needs a system to detect dupes. Here is what I propose:

    All submissions will include a link to the "article text." This is the primary link in the submission: what the /. article is about.

    These links will be kept in a database. Any time an article is submitted to slashdot its primary link will be searched for in the database. If found, the article will be flagged as such (NOT automatically rejected, someone might notice something new about an old document (probably legal or similar) or some such.)

    Now to go off and learn to program, so I can add that into the mess that is slashcode... ugh.

    --
    Not a sentence!
  10. Grammy by romper · · Score: 4, Funny

    And the Grammy goes to... Muffy and Scribbles?!

    --
    Right is wrong when left is right.
  11. Yes, but can they... by SuperBanana · · Score: 4, Funny

    dance?

    (I'm pretty sure that's the original song before the first site or two "sold out").

    Man, I can't believe I just talked about hamsters selling out.

  12. A "Land" of great projects... by zalas · · Score: 4, Interesting

    When I first read the article, and saw that the link was from Cornell, I had a sneaky suspicion that Dr. Land was involved with this somehow. Something about his "dress in Hawaiian attire to class in freezing temperatures" manner made him feel like someone willing to work on crazy things. Whether for a Masters of Engineering project or for class
    , he seems to always encourage interesting and wacky ideas, like a radio controlled helicopter, a sound seeking robot, a Wonderswan cartridge, etc.

    Speaking of which, I tried to create a musical "generator" that used a random number generator as the core and used a Markov chain obtained from computer analysis of a composer's music style. Unfortunately, it seemed that above all, the very high level aspects of the music seemed totally chaotic, and the amount that did not seem chaotic were dependent on how much data I input or assumed. Compare it to generic "normal" music, and you'll find that normal music tend to have very non-chaotic higher level structures, and might be more chaotic once you get to lower levels such as individual notes and runs. Looks like they have done a similar thing, but they must have had trained the Markov chain with a lot more data than I had. However, you can still hear the higher order chaos, since the music sorta just plays, but doesn't really go anywhere.

  13. Where are all the diminished 7ths! by Twinbee · · Score: 3, Informative

    Nothing will sound particularly 'wrong' if the finished product only sticks to the pentatonic subset of the chromatic scale. Nor will it sound anything like decent music though.

    We want a key centre/s, proper cadences, augmented/diminished triads and whatnot, interesting melodies, and groovy bass lines! Oh and more of the 12 notes please.

    More importantly, were the hamsters tortured with the very music they were 'creating'? I kinda feel sorry for them :)

    --
    Why OpalCalc is the best Windows calc
  14. Buggy MIDI drivers by tepples · · Score: 4, Informative

    When I was in college from 1999 to 2003, I heard my compositions through the speakers of several brands of laptop computers. Many of these had buggy MIDI drivers that would do Weird Shit(tm) to pitch bends. I had to switch to S3M, a tracked music format similar to the MOD format popular on Amiga computers (or to a MIDI plus a sound bank), to get music to sound decent on every machine.

  15. Hamster Death by TimeTraveler1884 · · Score: 5, Funny

    What I want to know is how the system reacts when a hamster dies. Because I didn't see any food or water in the device. Does the system play minor notes for awhile in reaction to the sadness of the other hampters?

    Additionaly, If a snake was introduced would the music change to a faster and more "scary" melody due to the hamster's fear? Or if you put a male in and female together, would the result be Barry Manilow's "Let's get it on"

    There is a whole array of scientific discoveries to be found in the realm of hamster-psychology and music.

    1. Re:Hamster Death by Trick · · Score: 4, Funny

      Or if you put a male in and female together, would the result be Barry Manilow's "Let's get it on"

      *shudder*

      "Let's Get It On" was sung by Marvin Gaye. Either you were thinking of Barry White, or you've got some issues.

    2. Re:Hamster Death by TimeTraveler1884 · · Score: 4, Funny
      "Let's Get It On" was sung by Marvin Gaye. Either you were thinking of Barry White, or you've got some issues.
      But come to think of it, they are just hamsters. What the hell do they know?
    3. Re:Hamster Death by Anonymous Coward · · Score: 5, Funny

      If a snake was introduced would the music change to a faster and more "scary" melody due to the hamster's fear?

      Badger badger badger badger badger badger... oh a snake! It's a snake! ooh! Badger badger badger badger badger badger.

  16. Hauntingly familiar... by TheTranceFan · · Score: 5, Funny
    He would swear he had heard it before...perhaps it was the complex interplay of the rhythmic patterns, or the odd dominant in the second part of the melody. But something about it was stirring, it was an emotional connection.

    Before he could place the tune, his reverie was interrupted.

    "Mr. Gere, your limousine has arrived."

    "Thank you, Miles," he said distractedly, but not before the tiniest hint of a smile crossed his face.

  17. Better to use realHamspster cybernetic version by stimpleton · · Score: 4, Funny


    Sorry, but anything with "hamster" in it makes me think of this:

    RealHampster - Elastic flesh, luxurious fur, a cybernetic infrastructure

    I'm ruined for life.

    --

    In post Patriot Act America, the library books scan you.
  18. Re:The Hamsters say... by Bonker · · Score: 5, Funny

    Six hamsters against the world... They knew they'd be stars, but how long could the glory and fame last? Find out the true story behind this rodent story of music and glamor next... on VH1's Behind the Music.

    "Joel had a habit of coming into the studio with his cheeks stuffed totally full of seed and corn. You think you can make music like that? He was out of control. Worse, he was bringing the rest of us down. That's when we decided to have an intervention."

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  19. A modest proposal for fixing the Slashdot front pa by demachina · · Score: 5, Interesting

    My proposed solution to the mess the Slashdot front page has turned in to of late is to use moderation to select the stories that are posted to the front page.

    You give people with reasonable karma an extra set of mod points that only can be used to mode story submissions.

    You would need to give people with mod points the ability to mark stories as duplicates of recent posts and they would land in the trash bin immediately, there is something of an honor system there though meta moderation could catch people who can stories as dupes that aren't.

    The moderators would also need a way to move new submissions in to groups so that all the submissions on the same news are grouped together.

    Then the moderators start scoring submissions just like moderation does now. The top scoring submission within the group would be the one that gets considered for the front page.

    You would also need to choose the most highly moderated stories between all the groups on different news.

    You can establish how many stories you want to get to the front page each day say 12, so every 2 hours on average the current top moderated submission would be automaticly posted. Maybe you post a few more during peak reader hours in the U.S. and Europe.

    You might want to allow a higher top score than +5 for this system so really stellar stories get a really high score.

    Its sad to have to propose such a solution but its becoming pretty obvious that Rob and Co. aren't reading the site they moderate less than most of the rest of us. Presumably Slashdot has turned in to a job for them and they apparently don't like their job. Most of us read Slashdot when we should be doing our real job, while apparently they don't read it and it is their job.

    If you keep posting dupe after dupe it proves you aren't reading all the front page articles or you would remember something as "unique" as a hamster powered songwriter.

    Its also been suggested that they are showing some pretty serious bias, Michael for example always going with left leaning stories, and they all seem to have assigned submission god status to Rolan Piqa-whatever.

    I'm willing to guess, with some work, moderated control of the front page would be fairer and less likely to produce dupes and bias than the current system. I also wager they might do a better job of picking the best submission on a story and cull out the error filled, flawed and factually incorrect posts which also are appearing on the front page too often lately.

    After all this is an open source fanboy site so why is control of Slashdot's front page proprietary and closed.

    --
    @de_machina
  20. Hamster Project: Symbiotic Exchange... by antdude · · Score: 3, Informative

    Speaking of hamster projects, check this one out:

    Hamster project shows a symbiotic exchange of hoarded energy in aiming to establish a symbiosis between a population of hamsters and a group of vehicles with intelligent steering units. It is a documentation about the development of the project. There are photographs and a few streaming Real videos. The installation was part of the "Cyberarts 1999"-exhibition in the "OK- Museum of Contemporary Art" during the "Ars Electronica 1999/ Life Science"-Festival in Linz/Austria (September 4-18). /. rejected my submission. :P

    --
    Ant(Dude) @ Quality Foraged Links (AQFL.net) & The Ant Farm (antfarm.ma.cx / antfarm.home.dhs.org).
  21. Re:A modest proposal for fixing the Slashdot front by BandwidthHog · · Score: 4, Funny

    Most of us read Slashdot when we should be doing our real job, while apparently they don't read it and it is their job.

    Which makes one wonder what they are doing instead of their real jobs. Tediously maintaining databases and web sites, as those of us posting slashdot are supposed to be doing at the time?

    No, that can't be it.

    --

    Quantum materiae materietur marmota monax si marmota monax materiam possit materiari?
  22. Musical mice by ewe2 · · Score: 3, Funny

    ObPython:

    Beats bashing mice with a mallet. Anyone for 'The Bells of St. Marys' ?

    --
    insecurity asks the wrong question irritation gives the wrong answer
  23. Re:A modest proposal for fixing the Slashdot front by damiam · · Score: 4, Insightful

    That will never happen. Aside from Taco's view that editors can do a better job than pure mob rule, such a system would be open to immense abuse. Also, Slashdot gets dozens, maybe hundreds of submissions an hour. Do you really want to spend your time looking thtough all of them? That's a lot of drudgery, and the only people willing to do it would be those with an agenda or without a life. That's not exactly the crowd I want picking my stories.

    --
    It's hard to be religious when certain people are never incinerated by bolts of lightning.
  24. In Scotland they've got them doing by Arzach · · Score: 4, Funny

    ...hamstered dulcimer

  25. Re:A modest proposal for fixing the Slashdot front by demachina · · Score: 3, Insightful

    "That will never happen."

    That FAQ answer was 5 years ago, things have changed. Back then I think Rob probably still cared, he probably was still aiming to cash in on the dot.com boom, probably hadn't cashed in any stock yet, and it was before moderation. All the complaints he had there about what the mob would pick can be said about moderation on posts too but we still do that now. I wager he cares a lot less about Slashdot today than he did then or he would have taken some action to put an end to all the dupe front page stories. I'm wondering if:

    A. he hasn't even noticed the massive number of dupes and bogus stories lately
    B. he doesn't care

    "That's a lot of drudgery, and the only people willing to do it would be those with an agenda or without a life."

    Uh no, it would be the same people who moderate posts, everybody would do a little. Either moderation works or it doesn't. If it doesn't work it shouldn't be used on ordinary posts. If it does work it will work on submissions too with a little tweaking. You could start out just taking one or two moderated front page stories a day to work out the details and see if it works.

    I can also see a big benefit of having all raw submissions being publicly viewable. If you are about to submit a story you can look and see if its already submitted and not waste everyone's time posting it again if a good submission is already in the queue. It would be kind of interesting to see all the things people are submitting that are getting rejected.

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    @de_machina
  26. Message from the hamsters by Chris+Kamel · · Score: 3, Funny

    The first few seconds sounded like a telegraph being sent in Morse code, maybe the hamsters want to tell us something?

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