sonic starch!

January 10th, 2008

Via the imminent Sydney Gang Festival’s blog, I discovered this great video of vibrating cornstarch (a “shear-thickening liquid” so I gather), forming persistent holes and “fingers”. Oh, and I think the relevance of this post on Gang Festival’s blog is laterally something to do with a “Ring of Fire” display of model volcanoes tonight (Thursday 10 January 6PM) at Gallery Fourtyfour Darlinghurst (see flier).

The totally amusing video below seems to be a funked-up remix of much drier videos over at revver (though I’m not sure these are the original source).

Makes me think of daydreams I’ve had of using audio-visual-haptic feedback to make audio-visual kinetic sculptures interactive with the sounds of viewers… (one more item on the list of things to try when I have more spare time)

Also reminds me of work with ferroliquids by Sachiko Kodama, Yasushi Miyajima - and others (examples here and here - with a mention of DIY ferroliquids made of [toxic] motor oil and laser printer toner).

Anyway, here’s the vid:

The sound of the century

December 22nd, 2007

Andrea Polli, on her blog from an artist residency in Antarctia, posted an incredible sonified siesmometer recording of “Iceberg B15A” breaking up. The resulting sound poetically begins resembling a windswept desolate icescape, with sonar-like pings and deep submarine booms. Later it features moments of monumental tearing almost becoming a semi-organic, alien scream and later again, skittish gaseous sounds like dry ice on a hotplate…

You have to listen to it. This sound is an allegory of our times.

Andrea writes:

Dr. Douglas MacAyeal, Professor in the Department of the Geophysical Sciences at the University of Chicago sent me this moving sound file, as he describes:
“…that’s the sound of Iceberg B15A ‘breaking up’ (off Cape Adare, 27 October, 2005)…it’s really a seismometer record that’s been ’sped up’ by a factor of 1000 to make it audible.”

Author Website: http://www.andreapolli.com
Author Bio: Andrea Polli is a New York based artist whose work explores global systems.

The sound is linked into the media player below, from the original source at: http://90degrees.shashafeng.com/sound/B15As_exit_open.mp3

Sychresis

December 13th, 2007

Robin Fox

Michel Chion describes the term synchresis as… “the forging between something one sees and something one hears - it is the mental fusion between a sound and a visual when these occur at exactly the same time. Synchresis is an acronym formed by telescoping together the two words synchronism and synthesis”. (excerpt from: http://filmsound.org/chion/sync.htm)

ANAT, the Australian Network for Art and Technology has just launched its latest copy of Filter magazine (issue 66, [southern] summer 2007) with Synchresis the theme, with a special release DVD, and the launch (and xmas party) tonight at the Chauvel cinema in Paddington…

The launch featured masterful live performances from Peter Newman, Ian Andrews and Robin Fox. Fox in particular has blown me away yet again with new aural/visual brain-warping material drawn from laptop and relic of a Cathode Ray Oscilloscope (that induces quite some nostalgia for me as it’s the same model as ones I used to do electronic labs on in the mid 90s). Since I last saw the oscilloscope set, a few of his laser shows ago, the camera trained on the CRO seems to have zoomed closer to the dot that pulses with rough, almost DC modulations, beginning the set. The hazy grain of the CRO’s phosphors are accentuated with the green brightness gradients of arrhythmia-inducing, hard edged bass signals pumping from the laptop. The dot begins to pop around the screen on a coiled trajectory that leaves a sheen prompting me to wonder if this is still the analogue oscilloscope or some fantastic jitter-generated pixels driven by the tetchy sounds. Some time later, traces of earlier sets appear, yet the sounds are much faster, less tethered, yet more tightly mobile if that’s possible, jerked from image to image…. and I realise that in this synchresis, not only are the images made by the sounds, but I think the sounds are probably also made by the images - not in the realtime sense, but in the process of composition of the possibilities. It dawns on me that the sonic assault strikes these ears as quite novel itself - even without its visual counterpart - and that, while the Backscatter release made it clear that sounds were designed to make good images, this fact and much exploration has brought new sounds as well. The search for new images from the sounds and the design of improvisation possibilities has also created new electronic music, let alone this incredible aural-visual experience.

A set of photos from the Synchresis performance are up on my flickr.

Spatial audio localisation experiment

November 7th, 2007

For my PhD research, I’ve made a spatial audio localisation experiment that you can download and try yourself.

The software is available for Windows and Mac OSX, along with more information on my university website at the following URL:

http://cgi.cse.unsw.edu.au/~nickm/index.php?Research::Static_Localisation_Experiment

Spatial audio localisation experiment

sound art that ignores acoustics

October 18th, 2007

I love sound art of all kinds.

But I find it very difficult to take when sound art ignores fundamental facts of acoustics, apparently just to attain a particular visual aesthetic.

Today on the wonderful Networked Music Review blog, I read of another example of a sound installation that raises this particular regrettable hackle of mine:

Unveiled Presence – Secret Sounds 2 by Natalie Bewernitz & Marek Goldowski @ Lab 30, pictured below (photo by unknown, via NMR blog).

Unveiled Presence - Secret Sounds 2

I’ve written briefly (and incompletely) about this problem before, in my blog post multi-speaker installation art works: my gripes and likes…

One day, after I’ve finished my thesis, maybe I’ll dedicate some time to properly writing an article on these kinds of sound art works and their sonic and visual aesthetics - both those that respect and those that ignore acoustics.

In the meantime, here’s the (hopefully well measured) comment I left on the NMR blog entry about this artwork.

acoustics101

As aesthetically spare as this installation appears to be, the effect is completely VISUAL. It makes very little sense ACOUSTICALLY to install loudspeakers in this manner.

This installation does not respect basic acoustics!

That is, unless it is intentional to remove all frequencies below about 1700Hz (if these are 8inch drivers), which doesn’t seem to make sense for an installation purporting to celebrate the sounds of the New York subway.

As Wikipedia states:
The major role of the enclosure is to prevent the out of phase sound waves from the rear of the speaker from combining with the ‘in phase’ sound waves from the front of the speaker. This results in interference patterns and cancellation, causing the efficiency of the speaker to be reduced, particularly in the low frequencies where the wavelengths are large enough that interference will affect the entire listening area.
http://en.wikipedia.org/wiki/Loudspeaker_enclosure

So, if the spare aesthetic is desired, maybe the drivers should be small boxes or other small aesthetically pleasing units.

This basic fetishism for the form of the loudspeaker may feed some sort of minimalist gear porn sensitivities, but acoustically it is quaint at best, if not downright insulting.