New Disquietude podcast episode: music by Lesley Flanigan, Dave Seidel, KMRU, Celia Hollander, and John Hooper; interview with Flanigan; commentary; short essay on reading waveforms. • Disquiet.com F.A.Q.Key Tags: #saw2for33third, #field-recording, #classical, #juntoElsewhere: Twitter, SoundCloud, Instagram

Listening to art. Playing with audio. Sounding out technology. Composing in code. Rewinding the soundscape.

tag: listening

Global Time Stamp of Listening

A small experiment at 2:15am, Pacific Time

20140905-globe

Despite the fairly geographically dispersed nature of my Twitter feed, it has its own evident cycles. Each day around 6pm in California, where I live, the feed quiets down, and when I wake in the morning, generally around 6am, not a whole lot appears to have transpired, despite the presence of plenty of Australians and Japanese, among others, in my mix.

Last night, to probe the dark hours, I set an automated tweet as a little experiment, to find out what people were hearing elsewhere. (I used the same IFTTT.com tool that auto-tweets for me the Tuesday noon civic warning siren here in San Francisco.) I wrote, just shy of 140 characters:

It’s 2:15am (this tweet’s automated). If you’re reading it, you’re likely not in the U.S. Please tweet back what you hear. #listening

The replies were gratifying, like transcriptions of recordings of utterly failed stake-out surveillance from around world.

Martin Dittus, whose account doesn’t list a location but whose desktop.de URL sports the German suffix, wrote:

@disquiet i hear a machine learning geek talking about L1 norms

Beth, who lives in Newcastle, in the U.K., wrote as follows. Her parenthetical — “(distant)” — serves as a nice summary of this entire little endeavor:

@disquiet Autechre, birds, plane (distant), voices (distant).

Darren Shaw, who lives in Rochdale, in the U.K., wrote:

@disquiet office chatter, computer fans, whine of HMI lights, phone notification beeps.

Nathan Thomas, who has a UK URL (afternoondust.co.uk), wrote:

@disquiet photocopier, keyboard clacking, an apple being bitten into, computer fans #officedrone

Inevitably, the middle of the night in the U.S. doesn’t entirely limit North American participation.

Chris Hutson of Peoria, Illinois, wrote:

@disquiet i’m an insomniac in the USA and i hear crickets and frogs

Lee Rosevere, who’s based in British Columbia, wrote:

@disquiet Simple Minds “Don’t you forget about me” playing in the studio.

Joshua Anderson, who lives in Buffalo, New York, and was up early, wrote:

@disquiet crickets, a fan, my wife moving a plastic bag

And Chicago-based Cinchel weighed in after the fact:

@disquiet i’m 3hrs late..but at 5am CST i was listening to cats running around my apt playing with a pen

I may do this again, either the same way, or with a different query and with a different time stamp.

(Globe photo by Kenneth Lu, thanks to flic.kr and Creative Commons.)

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SOUND RESEARCH LOG: Plants Listen and Then Produce Chemical Repellents

Found via delhidailynews.com:

We already know that some plants can respond to sound. But the question which has aroused curiosity in everyone’s mind is that why would a plant develop the ability to hear. A new study has suggested that it is because they want to defend themselves against predators.

The whole thing is worth reading in full. Here’s another detail:

Some earlier studies on plants and sounds have found that in rice there are two genes which can switch on in response to music and clear tones. We also know that corn roots will lean toward vibrations of a specific frequency.

Access to the originating paper at the journal Oecologia (at springer.com). Here’s the abstract:

Plant germination and growth can be influenced by sound, but the ecological significance of these responses is unclear. We asked whether acoustic energy generated by the feeding of insect herbivores was detected by plants. We report that the vibrations caused by insect feeding can elicit chemical defenses. Arabidopsis thaliana (L.) rosettes pre-treated with the vibrations caused by caterpillar feeding had higher levels of glucosinolate and anthocyanin defenses when subsequently fed upon by Pieris rapae (L.) caterpillars than did untreated plants. The plants also discriminated between the vibrations caused by chewing and those caused by wind or insect song. Plants thus respond to herbivore-generated vibrations in a selective and ecologically meaningful way. A vibration signaling pathway would complement the known signaling pathways that rely on volatile, electrical, or phloem-borne signals. We suggest that vibration may represent a new long distance signaling mechanism in plant”“insect interactions that contributes to systemic induction of chemical defenses.

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  • about

  • Marc Weidenbaum founded the website Disquiet.com in 1996 at the intersection of sound, art, and technology, and since 2012 has moderated the Disquiet Junto, an active online community of weekly music/sonic projects. He has written for Nature, Boing Boing, The Wire, Pitchfork, and NewMusicBox, among other periodicals. He is the author of the 33 1⁄3 book on Aphex Twin’s classic album Selected Ambient Works Volume II. Read more about his sonic consultancy, teaching, sound art, and work in film, comics, and other media

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